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Regulated Mod Amp Calculator

You can use the following tool to find out how many amps you will be drawing from each cell ​on a regulated device. Based on the result - battery recommendations will be displayed that areable to provide the correct discharge current. This is for regulated devices only - and will not work for mechanical devices (For mechanical devices, please use an Ohms Law calculator). If you can change the wattage of your device - It is regulated.

Battery Size
Enter the battery size your device takes - 18650, 26650, 20700 or 21700.
Number of Batteries
Enter the number of batteries that your device uses
Maximum Wattage
Enter the maximum amount of Watts that you will use your device at. This does not necessarily have to be the maximum wattage of the device you are using - but needs to be the maximum you will ever use.
Watts
Mod efficiency (percentage):
Enter you mod efficiency. Usually this is around 90% and does not need to be changed. If you are unsure, please leave this box as 90%.
Cells that can safely deliver your amp ratings are listed below.
  • from £7.15

    Molicel P28A 18650 Battery

    18650/2800mAh/25A

    Fogstar Ltd are a fully authorised distributor of Molicel within the UK. We source our cells directly from the factory. This enables us to secure t...

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  • Fogstar EVA 18650 Battery Case v2 - Fogstar UK
    £1.69

    Fogstar EVA Case v2

    Holds 4x18650, 2x20700, or 2x21700 Cells

    Perfect for safe storage of 4 x 18650, 2 x 20700 or 2 x 21700

  • Molicel M35A 18650 Battery - Fogstar UK
    Sold out
    £6.99

    Molicel M35A 18650 Battery

    18650/3500mAh/10A

    Fogstar Ltd are a fully authorised distributor of Molicel within the UK. We source our cells directly from the factory. This enables us to secure t...

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  • £1.45

    18650 PVC Wraps

    Fogstar

    18650 PVC battery shrink wraps, perfect for re-wrapping cells with damaged wraps. Perfect for all 18650 both protected and unprotected. Trim 2-3mm ...

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  • Xtar VC4 18650 Battery Charger - Fogstar UK
    £19.99

    Xtar VC4

    Fogstar

    This charger is capable of charging two cells at 1A or four cells at 0.5A. Compatible with the new 20700 & 21700 formats (see below for more co...

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  • Dual 18650 Case - Fogstar
    Sold out
    £0.39

    Dual 18650 Case

    Fogstar

    Plastic cases ideal for safe storage of 2 x 18650 cells.

  • Fogstar 2500 18650 Battery - Fogstar UK
    £6.49

    Fogstar 2500 18650 Battery

    Fogstar

    Looking to purchase more than 30 of these cells? Our wholesale website can be found here We will always provide a free 18650 battery case for stora...

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  • 18650 Battery Insulators | Fogstar UK
    £1.85

    18650 Battery Insulators

    Fogstar

    Barley Insulators for unprotected (flat-top) 18650 batteries. These insulators are self-adhesive which makes re-wrapping cells easier.

  • £7.99

    Fogstar Energy 4000 18650 Battery

    18650/4000mAh/10A

    Manufacturer: Fogstar Model: FS4000 Size: 18650 Capacity: 4000mAh Maximum Discharge: 10A Nominal Voltage: 3.6V Maximum Voltage: 4.2V Top: ...

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  • £1.49

    Custom Wrap

    Fogstar

  • £289.99

    Lithium Leisure Battery - Fogstar Drift 12v 105Ah

    Fogstar

    The Fogstar Drift 12V 105Ah Lithium Leisure Battery is designed and engineered in the UK, providing exceptional performance and reliability for you...

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  • 18650 Battery Wrap Repair Kit Bundle - Fogstar UK
    from £5.99

    Wrap Repair Kit Bundle

    5 of Each Design (20 Wraps)

    20x Premium Wraps and 20 x Premium Insulators 5 of each design. Shengen, Owl, SugarSkull and Fogstar. We started developing our own wraps over four...

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  • Dual 20700/21700 Battery Case | Fogstar UK
    £0.69

    Dual 20700/21700 Case

    Holds 2x20700/21700 Cells

    Plastic cases ideal for safe storage of 2x 20700 or 2x 21700 cells.

  • Tactical 18650 Torch - Fogstar UK
    £2.99

    Tactical Torch

    Requires 1x18650
    [Unprotected/Protected]

    Our single 18650 tactical torches are cost-efficient, powerful and water-proof. The torch is compatible with protected or unprotected 18650 cells. ...

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  • £6.99

    Fogstar Energy 6000 21700 Battery

    21700/6000mAh/10A

    Manufacturer: Fogstar Model: FS6000 Size: 21700 Capacity: 6000mAh Maximum Discharge: 10A Nominal Voltage: 3.6V Maximum Voltage: 4.2V Top: ...

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  • 21700 Battery PVC Wraps | Fogstar UK
    £1.99

    21700 PVC Wraps

    Pack of 25

    21700 PVC battery shrink wraps, perfect for re-wrapping cells with damaged wraps. Pack of 25.  

  • £549.99

    Lithium Leisure Battery - Fogstar Drift 12v 280Ah

    Fogstar

    Designed by our multi-award-winning team in the UK, the Fogstar Drift 12.8V 280Ah Lithium Leisure Battery is the ideal energy solution for those wh...

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  • Xtar SC1 18650 Battery Charger - Fogstar UK
    £5.99

    Xtar SC1

    1x2A/USB

    The SC1 is a single bay fast charger. Portable, Inexpensive and packed with safety features.  This charger is capable of charging a single cell at ...

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  • Sold out
    £4.60
    £2.49

    EVE 30P 18650 Battery

    18650/3000mAh/30A

    The EVE 30P 18650 Battery is a high-performance lithium-ion battery cell engineered for demanding applications that require both substantial capaci...

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  • Single 18650 Case - Fogstar
    Sold out
    £0.30

    Single 18650 Case

    Holds 1x18650 Cell

    Plastic cases ideal for safe storage of flat-top 18650 cells. Please note the product may differ slightly to the picture.  

  • Sold out
    from £19.99

    18650 Doorbell Battery Kit

    18650 Video Doorbell Kit

    Our 18650 doorbell battery kit ensures your video doorbell never runs out of power. The Xtar MC4S battery charger comes complete with a wall plug a...

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  • Xtar MC4S 18650 Battery Charger - Fogstar UK
    £13.99

    Xtar MC4S

    Fogstar

    The MC4 is a 4-Bay entry level charger. Portable, Inexpensive and packed with safety features.  This charger will automatically determine the most ...

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  • £699.99

    Lithium Leisure Battery - Fogstar Drift 12v 460Ah

    Fogstar

    Maximise your power with the Fogstar Drift 12.8V 460Ah Lithium Leisure Battery. Built with premium Grade A LiFePO4 cells, Bluetooth monitoring, and...

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  • £599.99

    Lithium Leisure Battery - Fogstar Drift 12v 300Ah

    Fogstar

    Power your off-grid lifestyle with the Fogstar Drift 12V 300Ah Lithium Leisure Battery. Featuring premium Grade A EVE LiFePO4 cells, Bluetooth mon...

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  • £449.99

    Lithium Leisure Battery - Fogstar Drift 12v 230Ah

    Fogstar

    Designed by our multi-award-winning team in the UK, the Fogstar Drift 12.8V 230Ah Lithium Leisure Battery is the ultimate energy solution for those...

    View full details
  • Fogstar 18650 Battery Repair Kit - Fogstar UK
    from £1.99

    Fogstar Repair Kit

    Wraps and Insulators - 18650 & 21700

    5 x Premium Wraps and 5 x Premium Insulators We started developing our own wraps over four years ago for our own branded cells. We required wraps t...

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  • 21700 Battery Insulators | Fogstar UK
    £1.50

    21700 Insulators

    Pack of 20

    21700 Battery Insulators (Pack of 20). Insulators may differ from product photo, depending on our choice for optimum fitment.

  • £6.99

    Fogstar Energy 3000 18650 Battery

    18650/3000mAh/20A

    Manufacturer: Fogstar Model: FS3000 Size: 18650 Capacity: 3000mAh Maximum Discharge: 20A Nominal Voltage: 3.6V Maximum Voltage: 4.2V Top: ...

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  • £64.99

    LiFePO4 Charger (Fogstar Drift) - 12V 20A

    Fogstar

     ⚡To be used with Fogstar products only⚡ These chargers have been designed by Fogstar specifically to work with our Fogstar Drift LiFePO4 batteries...

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  • Sold out
    £6.99

    Fogstar Energy 4000 21700 Battery

    21700/4000mAh/40A

    Manufacturer: Fogstar Model: FS4000 Size: 21700 Capacity: 4000mAh Maximum Discharge: 40A Nominal Voltage: 3.6V Maximum Voltage: 4.2V Top: ...

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  • £119.99

    LiFePO4 Charger (Fogstar Drift) - 12V 50A

    Fogstar Drift

     ⚡To be used with Fogstar products only⚡ These chargers have been designed by Fogstar specifically to work with our Fogstar Drift LiFePO4 batteries...

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  • Xtar VC4SL 18650 Battery Charger - Fogstar UK
    £27.99

    Xtar VC4SL

    4x1A/2x2A/USB

    The latest upgrade from Xtar to the VC range, the VC4SL is a reworked version of the VC4S that now comfortably fits 4 21700 cells side by side.  Wi...

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  • SSkull Repair Kit - Fogstar
    from £2.49

    SSkull Repair Kit

    Wraps and Insulators - 18650 & 21700

    5 x Premium Wraps and 5 x Premium Insulators We started developing our own wraps over four years ago for our own branded cells. We required wraps t...

    View full details
  • Owl 18650 Battery Repair Kit - Fogstar UK
    from £2.49

    Owl Repair Kit

    Wraps and Insulators - 18650 & 21700

    5 x Premium Wraps and 5 x Premium Insulators We started developing our own wraps over four years ago for our own branded cells. We required wraps t...

    View full details
  • Shengen Repair Kit - Fogstar
    from £2.49

    Shengen Repair Kit

    Wraps and Insulators - 18650

    5 x Premium Wraps and 5 x Premium Insulators We started developing our own wraps over four years ago for our own branded cells. We required wraps t...

    View full details
  • £6.45

    Sinowatt 30SP 18650 Battery - Unprotected Button-Top

    [18650/3000mAh/Button Top/Unprotected]

    This is a button-top unprotected cell. This battery is for video doorbells, torches and other protected electronics We will always provide a free 1...

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  • £104.99

    LiFePO4 Charger (Fogstar Drift) - 12V 40A

    Fogstar

     ⚡To be used with Fogstar products only⚡ These chargers have been designed by Fogstar specifically to work with our Fogstar Drift LiFePO4 batteries...

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  • Xtar SC2 18650 Battery Charger - Fogstar UK
    £11.99

    Xtar SC2

    2x1A/1x2A/USB

    With the QC3.0 Adapter, this charger is capable of charging 2 cells at 2A or 1 cell at 3A. Without the QC3.0 Adapter, this charger is capable of ...

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  • Sold out
    £6.99

    Fogstar Energy 3800 18650 Battery

    18650/3800mAh/10A

    Manufacturer: Fogstar Model: FS3800 Size: 18650 Capacity: 3800mAh Maximum Discharge: 10A Nominal Voltage: 3.6V Maximum Voltage: 4.2V Top: ...

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  • XTAR EU2 QC3 Adapter (Plug) - Fogstar
    £8.49

    XTAR EU2 QC3 Adapter (Plug)

    2xQC3.0

    Xtar EU2 QC3 Adapter. Used to reach maximum charging speeds on the new Xtar VC4S and PB2S.  Adapters are CE Approved and made of flame retardant ma...

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  • £94.99

    LiFePO4 Charger (Fogstar Drift) - 12V 30A

    Fogstar

     ⚡To be used with Fogstar products only⚡ These chargers have been designed by Fogstar specifically to work with our Fogstar Drift LiFePO4 batteries...

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  • £12.99

    Fogstar Drift 230Ah/280Ah/300Ah/314Ah Battery Bracket

    Fogstar

    Simplify your battery installation with our innovative new battery brackets for the 230Ah, 280Ah, 300Ah Fogstar Drift and Drift ECO 314.Crafted fro...

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  • Vapcell S4 Plus 18650 Battery Charger - Fogstar UK
    Sold out
    £34.99

    Vapcell S4 Plus (V2.0)

    4x3A/UK Plug

    The S4 Plus is Vapcells flagship charger. The 3A charging speed makes it one of the fastest chargers that we offer. This charger is capable of char...

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  • 2A UK/USB Plug - Fogstar
    £5.99

    2A UK/USB Plug

    UK Plug/2.1A/USB Socket

    A 2A UK Plug - With a USB Socket. Suitable for chargers such as the Xtar VC series and MC series. The plug is covered under a 1 Year Xtar Warranty....

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  • £499.99

    Drift ECO 314Ah 12V Leisure Battery

    Fogstar

    The Drift ECO lithium battery boasts a fantastic 4,019Wh capacity, making it ideal for powering even the most demanding applications. Whether you'...

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  • Sold out
    £69.99

    Cornex 3.2V 314Ah LiFePO4 Cell

    Fogstar

    Step up your energy storage game with Grade A Cornex 314Ah Lithium Iron Phosphate (LiFePO4) cells.  Built for endurance and consistency, these cell...

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  • Sold out
    £9.99

    300A 58V CFM Terminal Fuse Block LiFePO4 Battery Fuse

    Fogstar

    This robust CFM fuse block provides essential protection for your high-voltage battery system. Designed for easy installation onto M8 battery termi...

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  • Sold out
    £94.99

    Smart BMS JK-B2A8S20P with Active Balancer 200A (4S-8S)

    Fogstar

    Designed for use with our LiFePO4 Prismatic Cells, the JK-B2A8S20P (4-8S) 200A Smart BMS complete with 2A Active Balancer and Bluetooth. We also in...

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  • £6.99

    Vapcell B30 18650 Battery

    18650/3000mAh/20A

    We will always provide a free 18650 battery case for storage and protection. These cells are printed to comply with UK/EU Legislation Manufacture...

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  • from £6.49

    EVE INR21700/40PL 4000mah 70A

    21700/4000mah/70A

    Looking to purchase more than 30 of these cells? Our wholesale website can be found here We will always provide a free battery case for storage and...

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  • £599.99

    Seat Base Lithium Leisure Battery - Fogstar Drift 12v 230Ah

    Fogstar

    If you're looking for a more compact option to power your campervan, look no further than the Seat Base 12.8v 230Ah Lithium Leisure Battery. This g...

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  • £74.99

    EVE MB31 3.2V 314Ah LiFePO4 Cell

    Fogstar

    Unleash superior energy storage with the MB31 EVE Lithium Iron Phosphate (LiFePO4) cell.  Designed for exceptional performance and longevity, this ...

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  • Sold out
    £5.00

    RJ45 to USB Cable

    Fogstar

    RJ45 to USB cable for use with Seplos Mason V2 or V3 kits - please select the version you require in the drop-down. One year manufacturers warrant...

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  • Sold out
    from £1,999.99

    Fogstar Energy 15.5Kwh 48V Battery

    Fogstar

    The Fogstar Energy 15.5kWh Battery, meticulously engineered for UK conditions, provides an unparalleled combination of cutting-edge technology and ...

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  • £1,049.99

    Fogstar Energy Server Rack Battery 51.2V (5.12kWh)

    Fogstar

    The Fogstar Energy 5.12kWh Rack Battery is a game-changer in energy storage—offering unbeatable value without compromising on performance. Desi...

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  • £39.99

    280Ah ABS Empty DIY Cell Case

    Fogstar

    Designed to fit our EVE 280AH LiFePO4 prismatic cells and an accompanying BMS.  Ideal for DIY LiFePO4 battery builds.This empty cell case fits four...

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  • £24.99

    XTAR VX4

    XTAR

    The XTAR VX4 is a versatile smart battery charger designed to safely and efficiently charge a wide range of rechargeable batteries, including Li-io...

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  • from £1,999.99

    Fogstar Energy 16.1kWh 48V Solar Battery

    Fogstar

    The Fogstar Energy 16.1kWh Battery, meticulously engineered for UK conditions, provides an unparalleled combination of cutting-edge technology and ...

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  • £1,749.99

    Fogstar Energy ECO 48V 16.1kWh Solar Battery

    Fogstar

    The Fogstar Energy 314Ah 48V battery—powered by Seplos architecture - is a fully assembled energy storage solution, built for homes and small-to-me...

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  • £9.99

    Fogstar Drift 105Ah/100Ah Battery Bracket

    Fogstar

    Simplify your Fogstar Drift 105Ah and Fogstar ECO 100Ah battery installation with our innovative new battery brackets.Crafted from robust galvanise...

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  • Sold out
    £5.00

    Improved Busbars for Grade A 280Ah/304Ah LiFePO4 Cells

    Fogstar

    Flexible multi-layer copper busbars ideal for use with our Grade A cells.These improved busbars offer extra flexibility for cells should any expand...

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  • £1.80

    Nickel Strip (Various Sizes)

    Fogstar

    99.7% Pure Nickel (Laboratory Tested – Report available upon request.) Price Per Meter

  • £134.00

    LiFePO4 Charger (Fogstar Drift) - 24V 40A

    Fogstar

     ⚡To be used with Fogstar products only⚡ These chargers have been designed by Fogstar specifically to work with LiFePO4 batteries, in particular ou...

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  • £19.99

    Seplos Mason Battery Terminal Connectors

    Fogstar

    Pair of battery terminal connectors to fit the Seplos Mason kit.Pack contains one black and one orange connector.Terminals attach perfectly to the ...

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  • £9.99

    150A 58V CFM Terminal Fuse Block LiFePO4 Battery Fuse

    Fogstar

    This robust CFM fuse block provides essential protection for your high-voltage battery system. Designed for easy installation onto M8 battery termi...

    View full details
  • £219.99

    Drift ECO 100Ah 12V Leisure Battery

    Fogstar

    The Fogstar Drift ECO is your gateway to reliable, budget-friendly off-grid power. With a superb 100Ah capacity and 1250Wh of usable energy, the D...

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  • £149.00

    LiFePO4 Charger (Fogstar Energy) - 48V 35A

    Fogstar

     ⚡To be used with Fogstar products only⚡ This Fogstar Energy LiFePO4 charger is specifically engineered to work seamlessly with your 48V LiFePO4 ba...

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  • £949.99

    Fogstar Drift 12v 628Ah Lithium Leisure Battery

    Fogstar

    The Fogstar Drift 12V 628Ah Lithium Leisure Battery delivers unmatched power and performance for large off-grid, solar, and marine setups.  Support...

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  • £19.99

    Fogstar Drift 560Ah/608Ah/628Ah/24V 300Ah/48V Battery Bracket

    Fogstar

    Simplify your battery installation with our innovative battery brackets for the 560Ah, 608Ah, 628Ah, 24V 300Ah, 48V Fogstar Drift and 628AH ECO bat...

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  • Dual 26650 Battery Case | Fogstar UK
    £0.75

    Dual 26650 Case

    Holds 2x26650 Cells

    Plastic cases ideal for safe storage of 2 x 26650 cells.

  • Sold out
    £4.99

    Xtar MC1 PLUS Li-ion Battery Charger

    1x0.5A/USB

    The MC1 PLUS is a 1-bay Li-ion entry level battery charger. Small, inexpensive and packed with safety features.  This charger is capable of chargin...

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  • £1,799.83

    SEPLOS V4 Kit and x16 MB31 314Ah Grade A Bundle

    Fogstar

    UPGRADED BALANCEROur Seplos V4 Kits now come with an upgraded JK Active Balancer The SEPLOS V4 DIY battery bundle with EVE MB31 Cells is a complete...

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  • £799.99

    Drift ECO 628Ah 12V Leisure Battery

    Fogstar

    The Fogstar Drift ECO is your gateway to reliable, budget-friendly off-grid power. With a world leading 628Ah capacity and 8,038Wh of usable energ...

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  • Sold out
    £84.99

    JBD BMS for LiFePO4 (with Bluetooth) - 12V 200A 4S

    Fogstar

    Designed for use with our 3.2v EVE LiFePO4 Prismatic Cells, the JBD 4S 12V 200A BMS, complete with Bluetooth Module and temperature control, offers...

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  • £15.99

    Fogstar Drift 460Ah/24V 230Ah Battery Bracket

    Fogstar

    Simplify your battery installation with our innovative new battery brackets for the 460Ah/24V 230Ah Fogstar Drift.Crafted from robust galvanised st...

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  • 10*18650 Case - Fogstar
    Sold out
    £0.99

    10*18650 Case

    Holds 10x18650 Cells

    Plastic cases ideal for safe storage of 10 x 18650 cells.

  • £149.99

    Smart BMS JK-B2A20S20P with Active Balancer 200A (8S-20S)

    Fogstar

    This product is stocked in our UK warehouse and available for shipping immediately. Designed for use with our 3.2v EVE LiFePO4 Prismatic Cells, the...

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  • from £0.90

    Heat Shrink for Battery Packs (Various Sizes)

    Fogstar

    Protective PVC Heat Shrink for battery packs. Measurement is for the width in millimeters. The price is for 1 meter, and will be a continuous roll...

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  • £94.99

    JBD BMS for LiFePO4 (with Bluetooth) - 12V 300A 4S

    Fogstar

    Designed for use with our 3.2v EVE LiFePO4 Prismatic Cells, the JBD 4S 12V 300A BMS, complete with Bluetooth Module and temperature control, offers...

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  • £469.00

    Fogstar Energy 12V DIY Kit (EVE Grade A MB31)

    Fogstar

    Build your own powerful and reliable energy storage solution with our complete Grade A 12V DIY kit. Ideal for campervans, caravans, boats, off-grid...

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  • £3,399.99

    Fogstar Energy 51.2V 32kWh Battery

    Fogstar

    32kWh Fogstar Energy Battery – Scalable, High-Performance Energy Storage Ideal for off-grid living, backup power, renewable energy systems and indu...

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  • £5.00

    Improved Busbars for Grade B 280Ah/304Ah LiFePO4 Cells

    Fogstar

    Flexible multi-layer copper busbars ideal for use with our Grade B 280Ah LiFePO4 cells.These improved busbars offer extra flexibility for cells sho...

    View full details
  • from £2,999.99

    Fogstar Energy 15kWh 51.2V Rack Battery Bundle

    Fogstar

    Store and manage your energy efficiently. The Fogstar Energy 15kWh Rack Battery Bundle provides a reliable, user-friendly solution for residential ...

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  • £599.99

    SEPLOS V4 48V DIY Kit

    Fogstar

    UPGRADED BALANCEROur Seplos V4 Kits now come with an upgraded JK Active Balancer The Fogstar/SEPLOS V4 DIY Battery Kit offers unparalleled flexibil...

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  • Sold out
    £14.99

    JK BMS LCD Display (2.5")

    Fogstar

    Compatible with both the JK-B2A8S20P and JK-B2A20S20P - this 2.5 inch LCD "HMI"  display shows all battery vitals including the status of your batt...

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  • £29.99

    Drift PRO Active Balancer 2A (4S)

    Fogstar

    The Fogstar Drift PRO Active Balancer (4S) intelligently redistributes the current from cells with a higher State of Charge (SOC) to those with low...

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  • Sold out
    £29.99

    JK BMS LCD Touchscreen Display (4.3")

    Fogstar

    Compatible with both the JK-B2A8S20P, JK-B2A20S20P BMS and Fogstar 12V DIY Kits, this 4.3 inch LCD touchscreen display shows all battery vitals inc...

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  • Sold out
    £12.99

    Drift PRO 280Ah/300Ah Battery Bracket

    Fogstar

    Simplify your battery installation with our innovative battery brackets for the Drift PRO 12V 280Ah and 300Ah.Crafted from robust galvanised s...

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  • Sold out
    from £149.99

    Seplos 48V 200A LiFePO4 BMS (V3.0)

    Fogstar

    The V3.0 Seplos 48V 200A LiFePO4 BMS provides a robust battery management tool designed for 16S cell battery packs.This BMS contain a vast range of...

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  • £69.99

    JBD BMS for LiFePO4 (with Bluetooth) - 12V 100A 4S

    Fogstar

    Designed for use with our 3.2v EVE LiFePO4 Prismatic Cells, the JBD 4S 12V 100A BMS, complete with integrated Bluetooth, offers an affordable batte...

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  • £12.99

    XTAR PB2

    XTAR

    This portable XTAR PB2 charger and power bank isn't just convenient, it's revolutionary. Here's why: Battery Charger Mode: Fast & Reliable: 2...

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  • £21.99

    Drift PRO 560Ah/628Ah/24V 280Ah Battery Bracket

    Fogstar

    Simplify your Drift PRO 560Ah, 628Ah and 24V 280Ah battery installation with our innovative battery brackets.Crafted from robust galvanised steel a...

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  • £124.99

    JBD BMS for LiFePO4 (with Bluetooth) - 16S 48V 200A

    Fogstar

    Designed for use with our 3.2v EVE LiFePO4 Prismatic Cells, the JBD 16S 48V 200A BMS, complete with Bluetooth Module and heating function, is ideal...

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  • Sold out
    £110.00

    Smart BMS JK-B2A8S30P with Active Balancer 300A (4S-8S)

    Fogstar

    Designed for use with our LiFePO4 Prismatic Cells, the JK-B2A8S30P (4-8S) 300A Smart BMS complete with 2A Active Balancer and Bluetooth. We include...

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  • £3.99

    Xtar MC1 Micro USB Li-ion Battery Charger

    1x0.5A/USB

    The MC1 Micro USB is a 1-bay Li-ion entry level battery charger. Small, inexpensive and lightweight. This charger is capable of charging one cell a...

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  • £74.99

    JBD BMS for LiFePO4 (with Bluetooth) - 12V 150A 4S

    Fogstar

    Designed for use with our 3.2v EVE LiFePO4 Prismatic Cells, the JBD 4S 12V 150A BMS, complete with integrated Bluetooth, offers an affordable batte...

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  • Sold out
    £64.99

    JBD BMS for LiFePO4 (with inbuilt Bluetooth) - 200A 8-21S

    Fogstar

    This powerful JBD 8-21S 200A BMS, complete with inbuilt Bluetooth and UART input, enables you to manage and maintain the performance of your cells....

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  • £29.99

    105Ah ABS Empty DIY Cell Case

    Fogstar

    Designed to fit our EVE 105Ah LiFePO4 prismatic cells and an accompanying JBD BMS. Ideal for DIY LiFePO4 battery builds.This empty cell case fits f...

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  • £649.99

    Drift ECO 460Ah 12V Leisure Battery

    Fogstar Drift

    The Drift ECO lithium battery boasts a massive 5,888Wh capacity, making it ideal for powering even the most demanding applications. Whether you're ...

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  • £1,399.99

    Drift PRO 12V 628Ah LiFePO4 Leisure Battery (Gen2)

    Fogstar Drift

    With a colossal 8,038Wh of usable energy, the Drift PRO 12V 628Ah Gen2 is purpose-built for the most demanding off-grid applications – from expedit...

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  • £29.99

    Fogstar Energy Server Rack Battery Wall Mount

    Fogstar

    The Server Rack Battery Wall Mount for the Fogstar 48V Rack Battery is the ideal accessory for your solar set-up. It allows you to neatly attach y...

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  • Sold out
    £130.00

    Seplos 48V 200A LiFePO4 BMS

    Fogstar

    The Seplos 48V 200A LiFePO4 BMS provides a robust battery management tool designed for 16s cell battery packs.This BMS contain a vast range of prot...

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  • £16.99

    Drift PRO 460Ah Battery Bracket

    Fogstar

    Simplify your Drift PRO 460Ah battery installation with our innovative battery brackets.Crafted from robust galvanised steel and finished with a sl...

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  • £189.99

    Smart BMS JK-PB2A16S-20P with Active Balancer

    Fogstar

    The JK-PB2A16S-20P 200A Smart BMS, complete with a 2A Active Balancer, is specially tailored for large capacity LiFePO4 battery packs and solar ins...

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  • £899.99

    Drift PRO 12V 460Ah LiFePO4 Leisure Battery (Gen2)

    Fogstar Drift

    The Drift PRO 12V 460Ah Gen2 is engineered for serious off-grid applications, delivering an impressive 5,888Wh of usable energy to power everything...

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  • £5,749.94

    Fogstar Energy 30kWh 48V Rack Battery Bundle

    Fogstar

    Store and manage your energy with confidence. The Fogstar Energy 30kWh Rack Battery Bundle provides a high-capacity, user-friendly solution for res...

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  • £1,719.83

    SEPLOS V4 Kit and x16 Cornex 314Ah Bundle

    Fogstar

    UPGRADED BALANCEROur Seplos V4 Kits now come with an upgraded JK Active Balancer The SEPLOS V4 DIY battery bundle with Cornex 314Ah Cells, is a com...

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  • £29.99

    Drift PRO Active Balancer 2A (8S)

    Fogstar

    The Fogstar Drift PRO Active Balancer (8S) intelligently redistributes the current from cells with a higher State of Charge (SOC) to those with low...

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  • £399.99

    Fogstar Energy Server Rack Battery Cabinet 15kWh Capacity

    Fogstar

    Designed in the UK, our Fogstar Energy Storage Cabinets use the highest quality materials and the most innovative design techniques to get the ver...

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  • Sold out
    £11.99

    Drift PRO 230Ah Battery Bracket

    Fogstar

    Simplify your Drift PRO 230Ah battery installation with our innovative battery brackets.Crafted from robust galvanised steel and finished with a sl...

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  • £104.99

    JBD 200A BMS LiFePO4 - UART/RS485/CAN and Relay

    Fogstar

    The JBD AP21S002 200A BMS is the ideal solution for 7-21S LiFePO4 battery packs running high current applications.  This 48v unit comes complete wi...

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  • from £3,999.99

    Fogstar Energy 51.2V 40.96kWh IP56 Outdoor Battery System and Cabinet

    Fogstar

    Take your energy independence to the next level with the robust and versatile Fogstar Energy 51.2V Battery System and IP56 rated outdoor cabinet.  ...

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  • Sold out
    £59.99

    2 AWG Twin Copper Inverter Cables Positive (+) Cable (4000mm)

    Fogstar

    2 AWG Twin Copper Inverter CablesPositive / NegativeNational Standard SC95-8Copper tin plating + national standard SC35-8 * 2 / red copper tin plat...

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  • Save 15%
    £649.99
    £549.99

    Drift PRO 12V 230Ah LiFePO4 Leisure Battery (Gen2)

    Fogstar

    With 2,944Wh of usable energy, the Drift PRO 12V 230Ah Gen2 delivers reliable, high-performance power for campervans, motorhomes, boats, and off-gr...

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  • £1,699.83

    SEPLOS Mason 314 and x16 Grade A EVE MB31 Battery Bundle

    Fogstar

    The Seplos Mason battery bundle contains everything you will need to create a DIY 48V  battery. As part of this bundle you’ll receive a SEPLOS Maso...

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  • Sold out
    £4.20

    Empty 18650 Cell (Spot Weld Practice)

    Fogstar

    Box of 25 Empty 18650 Cells. Safe way to practice spot welding.  Perfect for practising spot welding, calibrating spot welding machines and mocki...

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  • Sold out
    from £0.13

    18650 Battery Pack Spacers

    Fogstar

    Many of the spacers on the market are not flame retardant. They are made of cheap plastics. We were able to set many of them on fire – which means...

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  • £499.99

    SEPLOS Mason 48V DIY Battery Kit - CASE ONLY

    Fogstar

    Please note: The V2 and V3 BMS are not compatible. The Seplos Mason Kit includes all of the critical components required to create a DIY 48V batte...

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  • Sold out
    £599.99

    Fogstar Energy Server Rack Battery Cabinet 30Kwh Capacity

    Fogstar

    Designed in the UK, our Fogstar Energy Storage Cabinets use the highest quality materials and the most innovative design techniques to get the very...

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  • Sold out
    £49.99

    Fogstar Energy Stackable 48V 5.12kWh Battery Accessories

    Fogstar

    Enhance the functionality and protection of your Fogstar Energy Stackable 48V 5.12kWh Battery with wheels and battery cover accessories. Wheels Des...

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  • £1,049.99

    Fogstar Drift Gen2 12V 628Ah Lithium Leisure Battery

    Fogstar

    Large-scale off-grid power built on the upgraded engineering and accuracy of Drift Gen2. The Fogstar Drift Gen2 12V 628Ah LiFePO4 Battery delivers...

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  • Save 33%
    £599.99
    £399.99

    ⚡ REFURBISHED Fogstar 12v 300Ah Drift ⚡

    Fogstar

    ⚡ REFURBISHED ITEM ⚡ REISSUED STOCK ✅ FULL 10 YEAR WARRANTY ✅ FULLY TESTED BY OUR IN-HOUSE TEAM Please see variant title for the Cycl...

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  • Sold out
    £50.00

    Fogstar Energy 15.5kWh/16.1kWh Wall Mount

    Fogstar Energy

    Safely and securely wall-mount your Fogstar Energy 15.5kWh or 16.1kWh battery with this robust, purpose-built bracket. Key Features: Durable Cons...

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  • Sold out
    from £0.16

    21700 Battery Pack Spacers

    Fogstar

    Many of the spacers on the market are not flame retardant. They are made of cheap plastics. We were able to set many of them on fire – which means...

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  • £999.99

    Fogstar Drift Gen2 24V 300Ah Lithium Leisure Battery

    Fogstar

    High-capacity 24V power engineered with the enhanced accuracy and efficiency of the Drift Gen2. The Fogstar Drift Gen2 24V 300Ah LiFePO4 Battery i...

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  • £337.47

    Fogstar Drift 105Ah Lithium Leisure Battery Bundle

    Fogstar

    Battery Installation Made Straightforward and Secure This bundle pairs the Drift 105Ah LiFePO4 lithium leisure battery with a Fogstar Drift 20A ...

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  • £1,479.83

    SEPLOS V4 Kit and x16 Rept 280Ah Bundle

    Fogstar

    UPGRADED BALANCEROur Seplos V4 Kits now come with an upgraded JK Active Balancer The SEPLOS V4 DIY battery bundle with Rept 280Ah Cells, is a compl...

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  • £54.99

    Rept 3.2V 280Ah LiFePO4 Cell

    Fogstar

    Rept’s Grade A 280Ah LiFePO4 prismatic cells are designed for dependable, long-term energy storage across residential, commercial and off-grid appl...

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  • Save 36%
    £549.99
    £349.99

    ⚡ REFURBISHED Fogstar Drift 12v 280Ah ⚡

    Fogstar

    ⚡ REFURBISHED ITEM ⚡ REISSUED STOCK ✅ FULL 10 YEAR WARRANTY ✅ FULLY TESTED BY OUR IN-HOUSE TEAM Please see variant title for the Cycl...

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  • £899.99

    Fogstar Drift 48V 125Ah Lithium Leisure Battery

    Fogstar Drift

    The Fogstar Drift 48V 125Ah Lithium Leisure Battery is expertly designed and engineered in the UK, offering high-capacity, high-voltage performance...

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  • £699.99

    Fogstar Drift Gen2 12V 300Ah Lithium Leisure Battery

    Fogstar

    Off-grid power made smarter with the enhanced engineering and accuracy of Drift Gen2. The Fogstar Drift Gen2 12V 300Ah LiFePO4 Battery delivers hi...

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  • £799.99

    Fogstar Drift Gen2 24V 230Ah Lithium Leisure Battery

    Fogstar

    High-capacity 24V power engineered with the enhanced accuracy and efficiency of the Drift Gen2. The Fogstar Drift Gen2 24V 230Ah LiFePO4 Battery i...

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  • £849.99

    Fogstar Drift Gen2 12V 460Ah Lithium Leisure Battery

    Fogstar

    Off-grid power with serious capacity. Shaped by the upgraded engineering and accuracy of Drift Gen2. The Fogstar Drift Gen2 12V 460Ah LiFePO4 Batt...

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  • £265.47

    Fogstar Drift ECO 100Ah Lithium Leisure Battery Bundle

    Fogstar

    Battery Installation Made Straightforward and Secure This bundle pairs the Drift ECO 100Ah LiFePO4 lithium leisure battery with a Fogstar Drift ...

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  • £589.99

    Fogstar Drift Gen2 12V 230Ah Lithium Leisure Battery

    Fogstar

    Meet the next evolution of off-grid power. The Fogstar Drift Gen2 12V 230Ah LiFePO4 Battery delivers higher accuracy, tougher engineering and smart...

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  • Sold out
    £1,719.83

    SEPLOS V4 Kit and x16 Highstar 314Ah Bundle

    Fogstar

    UPGRADED BALANCEROur Seplos V4 Kits now come with an upgraded JK Active Balancer The SEPLOS V4 DIY battery bundle with Highstar 314Ah Cells, is a c...

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  • £1,299.99

    Drift PRO 24V 300Ah LiFePO4 Leisure Battery (Gen2)

    Fogstar

    With 7,200Wh of usable energy, the 2nd Generation Drift PRO 24V 300Ah delivers serious off-grid performance for campervans, motorhomes, boats, and ...

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  • £349.99

    Fogstar Energy 12V DIY Kit (Rept 280Ah)

    Fogstar

    Build your own powerful and reliable energy storage solution with our complete 12V DIY kit. Ideal for campervans, caravans, boats, off-grid, and ba...

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  • Sold out
    £399.99

    Fogstar Energy 12V DIY Kit (Cornex 314Ah)

    Fogstar

    Build your own powerful and reliable energy storage solution with our complete 12V DIY kit. Ideal for campervans, caravans, boats, off-grid, and ba...

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  • £399.99

    Fogstar Energy 12V DIY Kit (Highstar 314Ah)

    Fogstar

    Build your own powerful and reliable energy storage solution with our complete 314Ah 12V DIY kit. Ideal for campervans, caravans, boats, off-grid, ...

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  • Save 19%
    £1,049.99
    £849.99

    ⚡REFURBISHED Fogstar Energy Server Rack Battery 51.2V (5.12kWh)⚡

    Fogstar

    ⚡ REFURBISHED ITEM ⚡ REISSUED STOCK ✅ FULL 10 YEAR WARRANTY ✅ FULLY TESTED BY OUR IN-HOUSE TEAM Please see variant title for the Cycl...

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  • £69.99

    Highstar 3.2V 314Ah LiFePO4 Cell

    Fogstar

    Highstar’s Grade A 314Ah LiFePO4 prismatic cells are engineered for reliable, long-term energy storage across home, commercial and mobile applicati...

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  • £699.99

    ⚡ REFURBISHED Fogstar 12v 300Ah PRO⚡

    Fogstar

    ⚡ REFURBISHED ITEM ⚡ REISSUED STOCK ✅ FULL 10 YEAR WARRANTY ✅ FULLY TESTED BY OUR IN-HOUSE TEAM Please see variant title for the Cycl...

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  • £649.99

    ⚡ REFURBISHED Drift PRO 12V 280Ah (Gen1) ⚡

    Fogstar

    ⚡ REFURBISHED ITEM ⚡ REISSUED STOCK ✅ FULL 10 YEAR WARRANTY ✅ FULLY TESTED BY OUR IN-HOUSE TEAM Please see variant title for the Cycl...

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  • Save 27%
    £449.99
    £329.99

    ⚡ REFURBISHED - Fogstar 12v 230Ah Drift ⚡

    Fogstar

    ⚡ REFURBISHED ITEM ⚡ REISSUED STOCK ✅ FULL 10 YEAR WARRANTY ✅ FULLY TESTED BY OUR IN-HOUSE TEAM Please see variant title for the Cycl...

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  • £599.99

    ⚡ REFURBISHED Fogstar 12v 230Ah PRO⚡

    Fogstar

    ⚡ REFURBISHED ITEM ⚡ REISSUED STOCK ✅ FULL 10 YEAR WARRANTY ✅ FULLY TESTED BY OUR IN-HOUSE TEAM Please see variant title for the Cycl...

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