Features: Rechargeable battery with re/discharging protestion circuit. Low reoccurring operation cist, Short -circuit and over-current protective. Safe and environmental friendly. Perfect for flashlight or electronic gadgets. Keep in a dry and cool place. Note:According to different conditions, Battery capacity can be divided into actual capacity, theoretical capacity, also called rated capacity. Battery capacity refers to the battery storage capacity. The unit is "mAh", 1Ah = 1000mAh, so there are some differences between rated capacity and actual capacity in Li-ion Battery. It is normal and reasonable. Specifications: Model: 18650 Capacity: 9800mah Voltage: 3.7V Chemistry: Li-ion Size: 65mm(Length) x 18mm(Dia.) Application: Electric car, electric bicycle, flashlight, flashlight, power bank, electric machine, fishing light lamp, equipment, laptop Warning: DO NOT tear, heat in fire, short circuit. DO NOT set batteries with the (+) and (-) inverse. DO NOT mix fresh batteries with used batteries. DO NOT put the battery in water Material: Lithium metal colour: As shown Package Contents: 4 x 18650 battery Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.