Common Sense RC Lectron Pro 6.6V 2000mAh 5C LiFe Receiver Hump Pack with Servo C

6.6V means you will not require a regulator!
This 6.6V (2-cell) 2000mAh 5C LiFe (lithium iron phosphate, LiFePO4) receiver battery supplies a great combination of performance and convenience. Our LiFe batteries have some distinct advantages over other battery choices that make them ideal for usage in radio systems:

Voltage stays above 5V throughout your entire run, so you get more constant servo speed and torque than with NiMH batteries

Somewhat lower voltage than Lipos means you can securely connect 6.6V (2-cell) LiFe batteries to your receiver without needing a voltage regulator
Our 2000mAh capability beats the 1300-1800mAh you'll find in standard flat and hump packs from the majority of other providers

Specs
Connector: JR (Universal) Servo Connector

Measurements:
Length: 56mm (2.20 in.)
Width: 32mm (1.26 in.)
Height: 28mm (1.10 in.)
Weight: 91g (3.21 oz)