Battery Brand: VCELL/OEM Battery Type: Lithium Polymer Battery Model: VP802530 Nominal Voltage: 3.7V Nominal Capacity: 520mAh Charge Cut-Off Voltage: 4.2V Discharge Cut-Off Voltage: 2.75V Standard charge current: 0.2C Max charge current: 1.0C Standard discharge current: 0.2C Max continuous discharge current: 1.5C Peak discharge current: 5C( less than 3S ) Charge temperature: 0~45â?? Discharge temperature: -20~60â?? Size(T*W*L): 8.2*25.5*32.5mm Max Weight: 9g Approx Cycle life: over 700 time Wire/Connector: TBD