This is the Gens Ace 5000mAh 8.4V Ni-MH battery flat style with deans plug suitable for the E-Revo, Traxxas Slash, HPI Savage Flux, Associated SC10, and any other kit that has an extended battery compartment.
Voltage(V): 8.4V / 7S / 7 Cell
Plug Type: Deans plug
Net Weight(dev.20g): 488g
Dimensions: 162mm x 48mm x 24mm (L x W x H)