Common Sense RC Lectron Pro 3.7V 450mAh 30C Lipo Battery with Walkera Connector for Dromida Kodo Dromida Verso and Hubsan X4 Lectron Pro batteries feature a high-end performance and reliability at an affordable price! Battery Voltage: 3.7V | Capacity: 450mAh | Maximum Continuous Discharge Rate: 30C (13 Amps) | Maximum Charge Rate: 2C (0.9 Amps) Battery Dimensions: 42mm x 20mm x 8mm / 1.65in x 0.79in x 0.31in | Weight: 12g Works great with Dromida Kodo Dromida Verso (H107L, H107C camera version, H107D FPV), Dromida Kodo, and Hubsan X4 (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!