Lumenier 1300 mAh 3S 35C Lithium Polymer Battery with XT60 Connector and Connector Cover Lumenier's LiPo offering for 250-class mini-quadcopters like the QAV250 1300 mAh 3S (11.1v nominal) Lithium-Polymer battery with an XT60 connector High performance discharge rate of 35C constant or 70C burst! Includes XT60 cover to prevent shorts in storage 70mm x 32mm x 22mm, 100g weight