This is the Traxxas SERIES 5 5000mAh 9.6V 8C Hump NiMH withiD Technology.

Features:

• 12AWG multi strand wire
• iD Technology
• Engineered specifically to fit Traxxas models

Requires:

• EZ-Peak Plus 4-amp NiMH/LiPo Fast Charger with iD Auto Battery Identification
• Depending on model a battery expansion kit might be needed TRA3725X, TRA6727X or TRA5827X

Specs:

Type:Nickel Metal Hydride – NiMH
Capacity:5000mAh minimum
Voltage:9.6V
Connector Type:Traxxas High Current
Wire Gauge:12
Number of Cells:8
Configuration:Hump