Specification: Item: 7.4V 1300mAh 2S Battery Capacity: 1300mAh Size: 65mm*35mm*18mm Connector: JST-XH 3P and JST Plug Max cont. discharge: 5C Max Burst: 15C Weight:87.13g Package includes: 1 * 2S 7.4V 1300mAh 15C 18 650 battery JST 1 * USB Battery Charger Note: 1.Please turn off the power switch and unplug the battery connector after use 2.Do not attempt to open ,disassemble the battery pack 3.Do not crush,puncture,short external contacts or dispose of in the fire or water 4.Do not expose to temperature above 60° （140°F） 5.Do not overcharging and over-discharging.