Specifications:ARB-L2 is a kind of new high-quality 18650 rechargeable Li-ion battery which is specially designed for the high-intensity flashlights. Featuring the large capacity, outstanding performance, great reliability and compact design.Feature:Type:LithiumModel Number: Fenix ARB-L2 18650Nominal Voltage: 3.6VMaximum current:2A(recommend 1A)Size(d*l): 1.8 cm x 6.8 cmWeight : 49gRechargable batteryPackage Included:1 X Fenix ARB-L2 18650 Rechargable battery