Product details description
A&S Power UL2054 certified 18650 3S2P 11.1V 4ah Li-ion Battery Packs
Cycle life:over 500times
We have more than 15 years of experience as a top tier battery supplier.
We are a trustworthy manufacturer with UL 2054, IEC 62133, and UN38.3 Certification.
We provide a 12-month warranty and also OEM service for customized batteries.
You can order a 10 pc sample to test out - reducing your risk to 0.
Rechargeable Batteries, High Performance, Favorable Price, Stable Quality.
4000mAh 0.2C Discharge
3950mAh 0.2C Discharge
Standard Charging Method
0.5C CC(Constant Charge)charge to 12.6V, then CV(Constant Voltage 12.6V)charge till charge current decline less than 0.01C
Standard Charging: Approx. 5hours
Rapid Charging: Approx. 2.5hours
Max. Charge Current
Constant Current 1C5A Constant Voltage 12.6V 0.01C5A Cut-off
Max. Discharge Current
Constant Current 1.0C5A End Voltage 9.0V
Standard discharge Current
Constant Current 0.2C5A End Voltage 9.0V
Discharge Cut-off Voltage
Charge Cut-off Voltage
Less than 100mo
Shenzhen A&S Power Technology Co., Ltd
Our website lists just some of the products we have
successfully supplied,but please note this is just
representative and an example of our products&service,
so,if you cannot see the product you are looking for, please contact us today!!!