This is 3S BMS 12V 40A 18650 Lithium Battery Protection Board 11.1V 12.6V High Current Over Charge Over-Discharge Over Current And Short Circuit Protection Function. Board charging and discharging are the same port.

The protection board cannot be used for iron lithium polymer battery (for other batteries, no matter what material, as long as the overvoltage and put voltage can be used for cutting), electric finish machinery, electric bicycle batteries, car, and motorcycle starter battery protection.

Applicable to the following products (within rated power):

Electric drill, 775 motors , small power inverter, small power vacuum massager battery, LED lamp, 12V standby power electronic products, 12V120W car washing pump, battery, solar street lamp monitoring standby power supply, and other products.

Rated current can’t over 40A, it can’t exceed 60A per 0.5 seconds.

Specifications Of Enhanced Version 3S 40A Li-ion Lithium Battery Charger Protection Board PCB BMS For Drill Motor 11.1V 12.6Va :

1. Overcharge voltage range: 4.25-4.35v + 0.05v.
2. Overdischarge voltage range: 2.3-2.7v + 0.05v.
3. Operating current: 0 – 40A.
4. Operating temperature: -40 – +50℃.
5. Instantaneous current: 35 – 60A.
6. Storage condition: -40 – +80℃.
7. Quiescent current: less than 30uA.
8. Effective life: more than 30000 hours.
9. Internal resistance: less than 100m ohm.
10. Short-circuit protection: protection, delayed self recovery.

Package includes In Enhanced Version 3S 40A Li-ion Lithium Battery Charger Protection Board PCB BMS For Drill Motor 11.1V 12.6V:

• 1 x 3S 12V 18650 lithium battery protection board.