Made to replace a 16340 cell in frequent use, this battery can be charged with either a direct connection to a usb cable, or a dedicated chargerwhichever is more practical for you. - Type: 16340 - Voltage: 3.6 V - Capacity: 700 mAh - Continuous output (max): 2.5 A - Discharge 3.5 C - Charging current with a charger: 1 A (charger sold separately), with a usb cable: 0.3 A (cable sold separately) - Charging status led - Over charging protected, over depletion protected, short protected, over heating protected - Steel body protects the battery from shorts caused by physical damage - Measurements: 18.6 x 35.5 mm - 12 month guarantee - Recommended charger models: Fenix ARE-X1+, ARE-C1+, ARE-C2+, ARE-X2 Package contains one battery.