This is a coin cell holder for the common CR2032 type battery. The holder has a neat pop-in, pop-out feature that makes changing the battery easy.
High quality switching 'wall wart' AC to DC 5V 2A wall power supply manufactured specifically for Spark Fun Electronics.
A small, but very mighty power supply. This board was designed to be as small and inconspicuous as possible.
These are very slim, extremely light weight batteries based on the new Polymer Lithium Ion chemistry.
This 3.6V 170mAh rechargeable Ni-Cad battery contains three cells in pyramid configuration.
This is a general purpose unregulated power adapter that converts 120VAC@60 Hz (North American) to 6V DC at 500mA.