14.8V RC LiPo Battery 4S 1500mAh 2200mAh 3000mAh 4200mAh 6000mAh 6500mAh 9800mAh 10400mAh For Car RC Drone Racing Spare Parts. Monitoring: Never leave your charging LIPO battery unattended. It'sessential to keep a close eye on it during the charging process to preventovercharging, which can lead to a fire.