NP 7.4v 300mah HPA Micro Type Lipo Battery

Type: LiPo - Lithium Polymer
Voltage: 7.4 v
Capacity: 300 mAh
Connector: JST
Cell Count: 2
Continuous Rate: 35 C at 10.5 A
Burst Rate: 70 C at 21 A
Configuration: Micro
Dimensions: 20 x 31 x 54 mm

Capacity - LiPo Batteries have an excellent Capacity to Size ratio

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