Description This is a 26650 Li-ion Battery with 5000mAH and is rechargeable. Li-ion (lithium-ion) batteries have a very high-power density, which means they can simply pack more power cells than lithium-polymer batteries. Application: Toys, Power Tools, Home Appliances, Consumer Electronics,  Electric Wheelchairs, Electric Power Systems, Solar Energy Storage Systems, Uninterruptible Power Supplies, lamps. Specifications: Anode Material: NCM Chargeable: Yes Model Number: 26650 Weight: About 90g The charging ratio: 0.5C The discharge rate: 1C Battery type: li-ion battery Capacity: 5000mAh Voltage: 3.70V Cycle life: 500 times Size: 26mm*65mm Discharge Cut-off Voltage: 3.0V Packing List: 1 x 26650 Li-ion Battery, 5000mAH Rechargeable