This is the NXE 2600mah 4S 14.8v Softcase Lipo Battery - Deans.

4S LiPo RC Battery Pack. Rechargeable 14.8V LiPo Battery pack with 2600mAh capacity and Deans connector. Suitable for RC Car, Truck, Boat, Planes and Drones.
40C

 

Specifications

• Capacity: 2600mAh
• Connector Type: Deans
• Max Charge Current:
• Max Charge Current (A):
• Max Continuous Discharger:
• Max Burst Discharge: 40C
• S / Voltage: 4S - 14.8V
• Style:
• Type: Lipo
• Dimensions: 22.8 x 44 x 138mm
• Weight: 282g