Specifications:<br /> Type:Nitecore NL183<br /> Capacity:2300mah<br /> Voltage:3.7V<br /> Charging current:MAX2A(1A current recommended)<br /> Weight:45.5G<br /> Size:(D*L)1.86*7(cm)    <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 NL183 18650 Rechargeable Battery