Lithium Ion cells, wired with 16awg wires and Deans/Powerpoles type connector.

Ideal to use with Arizona Regulator

Voltage - 7.4DC
Capacity - 2600mAh
Cell Count - 2
Charge Setting - 7.4DC
Charge Amperage(Max)- 1C
Discharge - 4amps
Dimensions
Width - 1"7/16th
Height - 11/16th
Lenght - 2"9/16th
Weight - 3.3oz