HOBBYTIGER for SYMA X8C X8W X8G X8HW X8HG X8HC RC Quadcopter Lipo Battery 7.4V 2000mAh 30C 2-Pack(Round Adaptor) HOBBYTIGER replacment lipo battery for your syma x8 series quadcopter Lightweight, won't add extra burden Differ from traditional alkaline batteries in its construction and chemistry High charging efficiency, rechargeable,long service life 7.4V 3.5mm banana connector