There is a new version of this charger that comfortably fits 4*21700 cells. You can find it here
With the QC3.0 Adapter, this charger is capable of charging 4 cells at 1A or 2 cells at 2A.
Without the QC3.0 Adapter, this charger is capable of charging 4 cells at 0.5A or 2 cells at 1A.
- Internal Resistance Checker
- Full Capacity Test
- High Precision Cut Off
- Reverse Polarity
- Short Circuit
- 1 x VC4S Charger
- 1 x Micro-USB cable
- 1 x Xtar Warranty Card
- Never leave a charger unattended overnight, and never in direct sunlight.
- Never use your charger to store cells. When cells are finished charging, please remove them from the device.