5000mAh 4S 15.2V 120C HV LiPo Battery with XT90 Connector for RC Racing Drone. Specifications:CODDAR 5000mAh 4S 15.2V 120C LiPo with Genuine Amass XT90 and XH-JST balance Connector, Dimension 143(L)44(W)38(H)mm, Approximately Weight 477grams. Performance: Compared to the non-HV equivilant, this battery is much lighter and more efficent. Testing shows a 10% to 16% boost in performance, with minimal voltage sag. Servics: Your satisfactions is KEY important to us!