Titan Power 11.1v 3000mah Brick Tamiya Lithium Ion Battery (V8)

Titan Power 11.1v 3000mah Brick Tamiya Lithium Ion Battery (V8) Voltage: 11.1v Capacity: 3000mAh Connector: Tamyia Connector Style: Brick C Rating: 16C (equivalent of a 1600mAh 30C) Is this enough? Why C rating is only half the equation. Size: 55mm (2.17in) thick, 70mm (2.76in) long, and 19mm (0.75in) tall