Common Sense RC Lectron Pro 11.1V 2200mAh 50C Lipo Battery with EC3 Connector for the Blade 350 QX, 450, & Parkzone Planes Lectron Pro batteries feature a high-end performance and reliability at an affordable price! Battery Voltage: 11.1V | Capacity: 2200mAh | Maximum Continuous Discharge Rate: 50C | Maximum Charge Rate: 2C (4.4 Amps) Battery Dimensions: 105mm x 34mm x 24mm / 4.13in x 1.34in x 0.94in | Weight: 190g Works great with Blade 350 QX, 450, & Parkzone Planes (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!