This is the Traxxas 3000mAh 8.4V 7C Hump NiMh with iD Technology
Semi rigid construction does not require a hard case and eliminates wire harness connectors that can loosen and fail.
Engineered specifically to fit Traxxas models.
12AWG multi strand wire is soldered directly to the LiPo cells eliminating increased resistance from bullet connectors and accidental reversed polarity connections.
LiPo charging bag
EX-Peak Plus 4-amp NiMh /LiPo Fast Charger with iD Auto Battery Identification.
length: 155mm (6.10")
width: 48mm (6")
height: 42mm (1.7")
Charge Rate: 3A