3S 40A BMS 11.1V 12.6V 18650 lithium battery protection Board with balanced Version for drill 40A current
- Overvoltage range: 4.25 ~ 4.35v ± 0.05v
- Over-discharge voltage range: 2.9 ~ 3.3v±0.05v
- Maximum operating current: 0 ~ 40A
- Overcurrent protection current: 70 ~ 90A
- Quiescent current: less than 24uA
- Working temperature: -40 +85 C
- Short circuit protection: Yes, delayed self-recovery
- Size: 60mm x 41mm x 1.2mm (LxWxH)
- Strictly according to the diagram wiring, Do not deliberately short circuit.
- After the wire is connected, it needs to charge the batteries first, then have output.
- When the battery is connected in series with 3 groups, please ensure that the voltage of each battery is the same. If not the same, please fill in each set of batteries and then use them.
- Do not mix the good battery and the battery.
- It will be better the capacity of the battery internal resistance is closer.