This is the Team Orion NiMH 6-cell 4500mAh 7.2V Rocket Stick
Battery Pack with Tamiya Plug.

FEATURES: Ideal for backyard bashers and budget racers needing superb
performance at a great price

INCLUDES: One Team Orion 4500mAh 7.2V Stick Battery Pack with Tamiya type
connector

REQUIRES: Timed or peak charger capable of charging NiMH cells

SPECS: Length: 5.375" (136.52mm)
Width: 1.875" (47.62mm)
Thickness: .875" (22.22mm)
Weight: 14.63oz (415g)