2S LiFePO4 BMS
2S 6.4 V LiFePO4 · 8 A · over-charge 3.65 V/cell (7.3 V pack), over-discharge 2.5 V/cell (5.0 V pack) · no balancing

Try it on the benchThe lab drops it on an empty bench and opens its datasheet card.
Typical part: 2S LiFePO4 protection board (8 A)
Pins
- B−
- B1
- B+
- P−
- P+
Ratings and limits
| Cells | 2 × LiFePO4 in series (6.4 V) |
|---|---|
| Over-charge | 3.65 V per cell (7.3 V pack) |
| Over-discharge | 2.5 V per cell (5.0 V pack) |
| Current | 8 A continuous |
How to use it
Two 32700 LiFePO4 cells in series for a 6.4 V pack: rechargeable 12 V bulbs (with a boost module), lanterns and small power banks. Charge through P+/P− at 7.3 V.
Lessons and builds that use it
- 12 V solar lantern and power box in an enclosure: two 32700 LiFePO4 cells, USB-C and solar charging, 12 V and USB outputs (build)
- Rechargeable 12 V bulb on two 32700 LiFePO4 cells: 2S BMS, USB-C 2S charger and a 12 V boost (build)