This is the Traxxas 7-Cell 8.4V 3000mAh iD Power Cell NiMH Stick Battery Pack
FEATURES: New high current connector with gold-plated copper terminals
iD Auto Battery Identification allows Traxxas iD equipped chargers to
automatically set and optimize charge settings
MAXX cable high-efficiency 12 gauge silicone jacketed wire
Sub C size cells
INCLUDES: One 7-cell 8.4V 3000mAh iD Power Cell NiMH Stick Pack with High-
REQUIRES: Peak-detection charger
SPECS: Length: 155mm (6.10″)
Width: 44mm (1.7″)
Height: 23mm (0.91″)
Weight: 380g (13.4oz)
Charge Rate: 3A
BOX DIMENSIONS: 2.13″ W. X 1.13″ H. X 7.88″ L.
BOX WEIGHT: .96 LBS.