Turnigy 5A SBEC is an advanced switching DC-DC regulator which will supply a constant 5A. It works with 2 - 7 Cell Lipoly pack and supplies a constant 5 or 6v to your receiver and is interference-free.
Input Protection: Reverse polarity protection
Output (Constant): 5v/5A or 6v/5A
Input: 8v-26v (2-7cell lipo)
Supplied with full instructions.