Type: LiFePO4 Model: IFR32900P Nominal capacity:4500 mAh Nominal voltage: 3.2V Cut off voltage: 2V Charge voltage: 3.65,0.05V Charge voltage limited: 4.195V Standard charge current: 4.5A Quick charge current: 6.75A Max continuous discharge current: 67.5A Max plus discharge current: 90A Work voltage range: 2V~3.65V Size with paper tube(mm): 32.5,0.1H90.0,0.5 Cell weight: approx.188g Working temperature: -15 to 50 Applications: E-Bikes, Electric Bikes, E-Scooters, Electric Scooters, E-wheelchair, Power Tolls, UPS and Solar system energy. Certificate: We can provide ROHS, CE, and KC certificate.