Common Sense RC Lectron Pro 11.1V 2200mAh 20C Lipo Battery with EC3 Connector for Blade 400 Helis & Parkzone Strykers Lectron Pro batteries feature a high-end performance and reliability at an affordable price! Battery Voltage: 11.1V | Capacity: 2200mAh | Maximum Continuous Discharge Rate: 20C (44 Amps) | Maximum Charge Rate: 2C (4.4 Amps) Battery Dimensions: 105mm x 33mm x 21mm / 4.1in x 13in x 0.8in | Weight: 178g Works great with T-rex 450, Blade 400 Helis, and Parkzone Strykers (Always check the voltage, dimensions, and battery connector to ensure this battery will be a good fit for your vehicle/application) We're confident in quality of our batteries! All Lectron Pro batteries are covered by a 1 Year Warranty against any manufacturing defects and U.S. based support in case you run into any issues!