This is an HPI 1200mAh NiMH 6 Volt Receiver Hump Pack.
FEATURES: High capacity NiMH chemistry
Ideal for use in the HPI Savage, Nitro MT, Nitro Rush, and the Nitro
INCLUDES: One 5 cell 6V 1200mAh receiver pack with pre-installed Futaba J
One Futaba J style to BEC type adapter (3" length)
REQUIRES: A charger capable of charging 6V NiMH receiver packs.
SPECS: Length: 50mm (1.97")
Width: 31mm (1.22")
Height: 30mm (1.19")
COMMENTS: Do not exceed 1.0A charge rate.