Features: Battery Volt：7.4V, Battery capacity: 1500mAh 15C, Please make sure yout RC Vehicle Battery are the same Voltage and same connector with the picture shows before you buy it. Plug Type: SM Connector. Function: As a spare battery for a your RC car or boat and can extend the playing time. High quality and safe to use,safe in normal use. Easy to plug in and out. Battery Size: 67*37*19mm ( L x W x H ).