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

Final production batch. This is the last run of the Drift PRO 12V 628Ah (Gen2). Once sold out, this model will no longer be restocked.

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 expedition-grade campervans and motorhomes to marine systems and full-scale solar installs.

At its core are Grade A EVE MB31 prismatic cells, paired with a rugged 300A Smart BMS and an integrated heating system, delivering consistent, year-round performance even in sub-zero conditions.

Encased in a durable, serviceable metal housing, the Drift PRO 628Ah Gen2 is engineered to thrive in harsh environments. With plug-and-play Victron Cerbo GX compatibility and real-time Bluetooth monitoring via the Fogstar Drift App, you’re in full control – with critical battery data at your fingertips, whenever you need it.

What’s New in the Gen2?

✅ Integrated Active Balancing: Now built-in – no external balancer required.

✅ Battery-Linking via RJ45: Dedicated Battery-Link ports allow multiple Drift PRO units to communicate over CAN bus with a single Victron Cerbo GX (or GX-enabled inverter).

✅ Improved Internal Layout: Optimised for thermal management, cable routing, and long-term serviceability.

Key Features:

✅ 8,038Wh Capacity: Extended runtime for demanding off-grid applications – perfect for high-draw systems and longer stays off-grid.

✅ Grade A Cells: Built with trusted Grade A MB31 LiFePO4 cells for long cycle life and consistent performance.

✅ 300A Smart BMS: Advanced protection against over-voltage, under-voltage, over-current, short circuit, and low-temperature charging.

✅ Victron Plug-and-Play Integration: Connect the CAN port on the master battery to the BMS-CAN port on your Victron Cerbo GX (or GX-enabled inverter) using the supplied cable.

✅ Multi-Battery Support: Additional Drift PRO batteries connect via the Battery-Link port, enabling full multi-battery CAN communication with Victron.

✅ 10-Year Warranty & UK Support: Long-term peace of mind with responsive, in-house customer service you can actually talk to.

Cost per Ah: Excellent value at just £1.75 per Amp hour, delivering premium performance at an unbeatable price.

✅ Fogstar App Monitoring: Real-time Bluetooth monitoring of SOC, cell voltages, temperatures, and cycle data.

✅ Low Temperature Charging Protection: Automatic internal heating system enables safe charging below 0°C.

✅ On/Off Switch: Enables hibernation mode for storage and transport.

✅ Serviceable Metal Case: Durable, serviceable design with M10 terminals.

✅ Energy-Dense Design: Weighs 60.23kg – impressive for 8kWh of capacity, and far lighter than equivalent lead acid setups.

✅ UK Engineered: Designed and developed by Fogstar’s in-house team for real-world off-grid conditions.

Quick Specifications:

Nominal Capacity: 628Ah
Nominal Voltage: 12V
Recommended Charge Voltage: 14.4V
Max Continuous Discharge: 300A
Cycle Life: 8,000 cycles at 80% depth of discharge (DOD)
Charging Efficiency: Up to 98%
Dimensions: 280 x 698 x 205 mm
Weight: 60.23kg
Terminals: M10
Operating Temp: -20°C - 55°C

➡️ Download Specification Sheet
➡️ Download Drift Range User Manual
➡️ Finding your Fogstar Drift Pin Code
➡️ Download Warranty Booklet