If you need to charge LiPo batteries, this simple charger will do just that. It is designed to charge single-cell Li-Ion or Li-Polymer batteries.

These are very slim, extremely light weight batteries based on the new Polymer Lithium Ion chemistry. This is the highest energy density currently in production.

A very useful wide range switchmode regulator with a 5V or 7V output and a wide range input of up to 28V! The PR28V is rated for up to 1A output and can be used to power your own circuit design.

A very simple breadboard power supply kit that takes power from a DC wall wart and outputs a selectable 5V or 3.3V regulated voltage.