BATTERY TYPE: 3.2V LiFePO4 battery(Lithium Iron Phosphate). Pay attention: They are different from the 3.7V battery, they voltage more lower. SPECIFICATION: Nominal capacity:6Ah 12Ah 18Ah 24Ah 30Ah. Nominal voltage: 3.2V. Working voltage range: 2.8V~3.65V. WORKING TEMPERATURE: Charging temperature: 32 ° F~131 ° F/0 ° C~55 ° C. Discharge temperature: - 4 ℉~140 ℉/- 20 ℃~60 ℃. WIDELY APPLICATIONS: Our cells which will be perfect for outdoor lights, street lights, lawn lights, garden lights and so on. SAFETY: The built-in BMS can handle battery balance, low and high voltage cut-off and short circuit protection, effectively protecting the lithium-ion cells. Great capacity and high cycle life, the capacity is 60000mAh-300000mAh, recharge life of more than 2000 times, you can use 3-5 years.Energy efficent and environmentally friendly, perfect for solar lights.The battery is very durable, energy saving and money saving, using advanced technology with safety guarantee.Battery Type: Rechargeable LiFePo4 BatteryVoltage: 3.2VCapacity: 6Ah 12Ah 18Ah 24Ah 30AhSize: 70*32.2*32.2mm70*32.2*64.4mm70*32.2*96.6mm70*32.2*128.8mm/70*64.4*64.4mm70*32.2*161mmDischarge voltage: 2.8VCharging voltage: 3.65VCycle Life: 2000-2200 timesMaterial: Blue PVCPackage: 1 x 3.2V Lithium Battery PackNote: Please do not connect the positive(+) and negative(-)on the discharge port and corresponding cable reversely, or connect to the devices that does not match, otherwise damage may be done to the motor and battery.