This is a replacement Dynamite 7.4V 1500mAh Jet Jam Pool Racer 2S Li-Ion Battery, intended for use with the Jet Jam Pool Racer. 

Specifications:

• Hard Case: No
• Charge Rate: 1C
• Charge Current: 1.5A
• Width: 1.38in (35mm)
• Length: 2.56in (65mm)
• Height: 0.79in (20mm)
• Weight: 3.2oz (91g)
• Voltage: 7.4V
• Balance Connector: JST-XH
• Protection Circuitry: No
• Applications: Jet Jam
• Cell Configuration: 2S1P
• Capacity: 1500mAh
• Watt Hours: 11.1