3.7V 9600mAh Li-ion Battery Large Capacity Rechange Battery SM 2.54 Male 3600mAh

Connector Type: SM 2.54 Male. Chemistry: Lithium Ion (Li-Ion). Capacity: 9600 mAh. Standard Charging Current: 2.5 Amp. Max Charging Current: 5 Amp. Standard Discharging Current: 1 Amp.

eBay