Battery Type:Li-ion Cell Model:26650 Voltage:7.4V Capacity：5000mAh Dimension：132*26mm Colour ：blue Package:neutral or OEM Fit for: flashlight Nebo 12K，power bank, rechargeable battery, laser pen ect Note: Please charge the battery in time when the power is low to avoid damage to the battery. Do not disassemble, short circuit or heat. Don’t mix with used batteries or different battery.