Nuprol 1550mAh 7.4V Lipo Stick Mini Tamiya

Type: LiPo - Lithium Polymer
Voltage: 7.4 v
Capacity: 1550 mAh
Connector: Small Tamiya
Cell Count: 2
Continuous Rate: 20 C at 31 A
Burst Rate: 40 C at 62 A
Configuration: Stick
Dimensions: 90 x 18 x 17 mm

Capacity - LiPo Batteries have an excellent Capacity to Size ratio

JST-XH Balance Leads
1
High Quality Silicone Leads
State of Charge ≥60%