Hyperion G3 Cx 0180 Mah 2S 7.4V 25C/45C 2-Cell Lithium Polymer Battery Pack Dimensions: 38.1 mm x 20.2 mm x 12.32 mm Battery Pack Weight 13.55 g/0.48 oz. Specs At A Glance: Battery Voltage: 7.4 V; Battery Capacity: 180 mah; Battery Dishcarge Wire Size: 20 awg; Battery Balance Connector: No ;Battery Discharge Wire Length: 80; Battery Discharge Connector: JST Capable of charging at a maximum 5C Charge rate: 0.9 Amps; Max Continuous Discharge Rate: 4.5 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