Hyperion G3 Vx 5400 Mah 2S 7.4V 35C/65C Lithium Polymer Battery Battery Pack Dimensions: 158.5 mm x 46.8 mm x 20.67 mm Battery Pack Weight 308 g/10.86 oz. Specs At A Glance: Battery Voltage: 7.4 V; Battery Capacity: 5400 mah; Battery Dishcarge Wire Size: 10 awg; Battery Balance Connector: Yes ;Battery Discharge Wire Length: 120; Battery Discharge Connector: none Capable of charging at a maximum 5C Charge rate: 27 Amps; Max Continuous Discharge Rate: 189 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