Product information: Model: 18650 3000mAh Life: 1000 times Voltage: standard 3.6-3.7V Internal resistance: less than 50 milliohm Capacity: 3000mah Size: diameter 18mm, length 65mm Uses: laptop battery core changing, power torch, mobile equipment standby power supply, and can also be used as various rechargeable battery packs Packing list: Battery ×1 Product Image: