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.

This 2xAA battery holder puts a nice finishing touch on your battery powered project. 

Classic 9V connector terminated with 2-pin polarized Molex connector.    

If you need to charge LiPo batteries, this simple charger will do just that, and do it fast! The SparkFun LiPo Charger Basic is stripped down of all features and just does one thing well - charge 3.7V LiPo cells at a rate of 500mA.

Don&rsquot be caught by surprise next time your board suddenly powers-down! The SparkFun LiPo Fuel Gauge connects your battery to your project and uses a sophisticated algorithm to detect relative state of charge and direct A/D measurement of battery voltage.

This LilyPad Coin Cell Battery Holder has a small slide switch installed on the board, in-line with the power so you can shut off your project and save batteries. 

The LilyPad Simple Power is a simple e-textile board that lets you connect and charge a lipo battery and switch it on or off, that&rsquos it!