Lumenier 1300 mAh 4S 60C Lithium Polymer Battery with XT60 Connector and Connector Cover 1300 mAh 4S (14.8v nominal) Lithium-Polymer battery with an XT60 connector High performance discharge rate of 60C constant or 120C burst! Includes XT60 cover to prevent shorts in storage 70mm x 34mm x 32mm, 153g weight