This is an Onyx 8.4V 5000mAh Sub-C NiMH Stick Battery Pack with a Star Plug.
Features:
Specs:
Dimensions: 5.5 x 1.9 x 1.7" (140 x 48 x 44mm)
Weight: 17.6oz (500g)
Cell Size: Sub C
Capacity: 5000mAh
Max Charge Rate: 5.0A
Number of Cells in Series: 7
Rated Voltage: 8.4V
Discharge Wire Gauge: 14AWG
Discharge Wire Length: 4.9" (125mm) not including connector
Includes:
1x Onyx 8.4V NiMH 5000mAh Stick Battery with Star Plug
Requires:
NiMH compatible battery charger