This is the LRP Hyper pack 6-cell 4000mAh NiMH stick battery pack with Tamiya style connector.
Includes: 6-cell 4000mAh NiMH stick battery pack with 14AWG wire leads and Tamiya type connector
Requires: Compatible charger such as the Duratrax Onyx 100
Dimensions: 5.1 x 1.8 x 0.87 (131 x 45 x 22mm)
Weight: 14.1oz (400g)