This is a Gens Ace 6-Cell, 7.2V, 5000mAh NiMH Battery Pack with Tamiya Connector. This stick pack is built using quality Sub C size 5000mAh NiMH cells and features a Tamiya connector. This pack will fit into any vehicle that uses a standard stick type battery pack. The recommended charge rate for these batteries is 1C for the best battery life and run time, and we do not recommend you charge them at more than 1C (5A Max). 

Specifications: 
Voltage: 7.2
Cell Count: 6 
Capacity: 5000mAh 
Dimensions: 139x48x25mm 
Weight: 424g