This is a Dynamite 7 Cell 8.4V NiMH "SpeedPack2" Flat Battery Pack with EC3 Connector. Dynamite Speedpack 2 sport packs are an extremely affordable choice for everyone from RC hobbyists to sport-level racers. They feature capacity ratings ranging from 1800mAh to 5100mAh, making it easier than ever to choose the right Ni-MH battery for your vehicle. Additionally, Speedpack 2 batteries are fully compatible with the Dynamite Dashboard app. The Dynamite Dashboard app seamlessly integrates the batteries with the Dynamite Passport Series of chargers and brings real-time monitoring to your mobile device.
Cell Configuration: 7-Cell Stick
Connector Type: EC3
Battery Voltage: 8.4V
Battery Capacity: 3000-3999mAh
Battery Type: NiMH (1.2V per cell)