7.4V 2600Mah Rechargeable Battery Pack Li Ion Batteries with JST2.54 Male 2S2P
Connector:JST2.54 Male. 3.7V 9600mAh 3 Cell Lithium ion Large capacity Rechange Battery 2 Pin Connector. After receiving the battery, check whether the position of the red (+) and black (-) wires of the plug is consistent with the old battery.