Hyperion G3 Cx 1100 Mah 2S 7.4V 25C/45C Lithium Polymer Battery Battery Pack Dimensions: 67.7 mm x 35.3 mm x 13.59 mm Battery Pack Weight 62.5 g/2.2 oz. Specs At A Glance: Battery Voltage: 7.4 V; Battery Capacity: 1100 mah; Battery Dishcarge Wire Size: 16 awg; Battery Balance Connector: Yes ;Battery Discharge Wire Length: 100; Battery Discharge Connector: none Capable of charging at a maximum 5C Charge rate: 5.5 Amps; Max Continuous Discharge Rate: 27.5 Amps Suggested Accessories: Hyperion EOS 0606i DC Charger, Hyperion EOS 0606i AC/DC Charger, Hyperion EOS 0615 Duo Charger, or Hyperion EOS 0720i AC/DC Charger