This is the Traxxas Power Cell iD Technology 5800mAh 7.4V 2-cell 25C LiPo battery with high current connector.

Features

• 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

Specs

• Type: LiPo
• Total Capacity: 5800 mAh
• Voltage: 7.4V
• C Rating: 25
• Length: 5.31 in. (135mm)
• Height: 0.98 in. (25mm)
• Width: 1.77 in. (45mm)
• Weight: 10.2 oz. (289g)

Requires

• EZ-Peak Plus 4-amp NiMH/LiPo Fast Charger with iD Auto Battery Identification
• LiPo charging bag