Description: Battery type: Lifepo4 battery Model: IFR26650-16s6p Nominal voltage: 48V Nominal capacity: 20Ah Discharge current: 1C Charge current: 0.5C Finished size: 135mm*170mm*220mm Weight: 8.3kg/pc Cycle lifespan: 2000 times With PCB/PCM and wires Hailei energy: Established in 2001, top battery manufacturer Two manufacturing bases covering 180,000 square meters Global insurance and 1-year warranty for lithium battery pack Certificates: CE, UL, CB-IEC62133, MSDS, UN38.3 and more Both cells and battery packs are available Lots of models for choice Business scope: Lithium-ion battery Li-polymer battery LiFePO4 battery Ni-MH battery Li-SOCl2 battery Li-MnO2 battery Li-FeS2 battery Inquiry about our products is welcomed