Features: Discharge rate, no''memory effect''. Low reoccurring operation cist, Short -circuit and over-current protect. Perfect for flashlight or electronic gadgets. Safe and environmental friendly. Keep in a dry and cool place. Descriptions: Extremely economical, and provides an expected life similar to that of the device in which it is used. No memory effect, can be recharged up to 1200 times when fully or partially drained. Specifications: Battery Model: 26650 Battery Type: Li-ion Voltage: 3.7V Capacity: 3800mAh Dimension: Diameter: 25mm; Height: 66mm Color: Red Charger: Plug Type: USB Input Voltage: AC 100-240V, 47/63Hz Output: DC 4.2V/1000mA Dimension: 108mm x 56mm x 41mm Color: Black Package Include: 2 x Battery 1 x Charger