This is the Dynamite Reaction 11.1V 5000mAh 3S 30C LiPo with Deans Ultra T Plug Connector and JST-XH balance connector. 

Features:

• Pre-wired with an Deans Ultra Plug connector and JST-XH balance connector
• Value-priced without sacrificing quality or performance
• Hard case design
• Designed to fit most 1/8- and 1/10-scale vehicles
• 1-Year Limited Warranty

Specifications:

• Type: Li-Po
• Capacity: 5000mAh
• Voltage: 11.1V
• Connector Type: Deans Ultra Plug
• Wire Gauge: 12AWG
• Number of Cells: 3
• Configuration: 3S1P
• Length: 5.45 in (138.5mm)
• Width: 1.81 in (46mm)
• Height: 1.54 in (39mm)
• Maximum Continuous Discharge : 30C
• Maximum Burst Discharge : 60C