12v40ah LiFePO4 battery for Jump starter
512Wh, 12V 40Ah Lithium Battery
Cells and connection
32650, 3.2V 5Ah, 4S 8P
12.8V (Standard Working Voltage)
Standard Charge Voltage
Discharge Cut-off Voltage
PCM(PCB style BMS)
10A (need 4 hours to full charge,can design)
Max Continuous Discharge Current
50A (can design)
Peak Discharge Current
100A (can design)
Whole Battery Size
198*165*170±2mm Plastic Case Packing
1.High quality long life span lifepo4 battery
3.Factory located:Shenzhen of China
4.Quality:A team is composed of hundreds QC inspectors to control the progress quality .
5.Safety :currently the safest li-ion battery, CE UL approved ,none fire ,none explosive.
6.Environment friendly , no toxic material contained.
7.Powerful :Low rate battery can discharge in 15C.
8.Long life cycle ,more than 2000 cycle in 0.5C-1C discharge.
9.No memory effect:can be recharged any time, no reduction of capacity.
10.Broad operation temperature -20---60 centigrade.
11.Small in size and light in weight.: Compare with our battery ,1/2 size of lead acid battery,70% size of Ni-MH Ni-Cd battery. 1/2 weight of lead acid battery.
certificates of CE,UL,UN38.3,ROHS,SGS-IEC62133 etc
Introducing advanced equipment, OptimumNano has been well-known as one of the professional manufacturers and suppliers of 12v40ah lifepo4 battery for jump starter. Our batteries are of high safety, high capacity, strong stability and long cycle life. With bulk batteries in stock, we warmly welcome you to buy or wholesale good price battery made in China from us.