Specification:<br /> Product name: nitecore nl189 3400mah 18650 battery<br /> Capacity:3400mah<br /> Voltage: 3.7v<br /> Charging Current: maximum 2A(1A current recommended)<br /> Size: 69.2mm x 18.4mm(lenght x body diameter)<br /> Weight:47.6g(each pcs)<br /> Quantity:1pcs<br /> <br /> Features:<br /> -More than 500 charge-discharge cycles.<br /> -Internationally insured by Ping An Insurance(Group) Company of China, Ltd.<br /> -Integrated battery overcharge \/ discharge protection circuits    <br /> -High discharge performance Li-ion Rechargeable Battery    <br /> <br /> Package included:<br /> 1 x nitecore nl189 3400mah 18650 battery