SparkFun Battery Holder - 18650 (PTH) Batteries Adapter Rings a 12 volt power supply

a 12 volt power supply can be used as long as you adjust the current level to 400mA or less

This is the SparkFun MOSFET Power Control Kit

you can use it to program your Arduino Pro

1 Wire interface

2dBi with Reverse Polarized - SMA RF connector

SparkFun Battery Holder - 18650 (PTH) Batteries Adapter Rings a 12 volt power supplyThis is a PCB mount clip to hold a 18650 Lithium Ion Cell battery. Each battery holder is sold in single units, youll need two for each battery. These work great for larger, high capacity applications where a drop in rechargable cell is needed. These little guys are low cost and easy to use! Note: This part can be found in the Electromechanical Eagle library under Battery18650. Documents: Datasheet Product Video