11.1V 5200Mah 6 Cell Lithium Ion 18650 57.72Wh Rechange Battery Pack With 2 Pin Mta-100 ConnectorsPRODUCT DESCRIPTION Specifications: Li-Ion Size: 6 x 18650 cells(cylindrical) Capacity: 5200 mAh Chemistry: Lithium Ion (Li-Ion) Working Voltage: 11.1V Charge Cut off voltage: 12.6 V Discharge Cut off voltage: 8.25 V Standard Charging Current: 2.5 Am..