Wearable Power Supplies

SF-PRT-09274
These are your standard 1.5V AAA alkaline batteries from Rayovac. Don’t even think about trying to recharge these. Roughly 750mAh per AAA cell. Combine 4 to get ~6V peak, and ~4.8V as they hit their.....
$0.86
SF-PRT-00338
CR2032 Lithium metal 3V 250mAh button cell battery. Great for powering low power processors or blink an LED for weeks at a time. Note: Due to the requirements of shipping these batteries, orders may take.....
$3.00
SF-DEV-08822
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. The feet of the holder have a small hole.....
$2.16
SF-PRT-12618
This is a simple coin cell battery holder that can enclose two CR2032 batteries inside itself, and safely kept closed via two phillips head screws. Each battery holder will run batteries in series, output up.....
$3.00
SF-PRT-13112
This is a very small, extremely lightweight battery based on Polymer Lithium Ion chemistry. This is the highest energy density currently in production. Each cells outputs a nominal 3.7V at 110mAh but limited to a.....
$10.70
SF-DEV-10730
If you’re looking for a simple way to add a battery to your LilyPad project, the LilyPad Coin Cell Battery Holder might do the trick. It’s a simple board which holds a 20mm coin cell.....
$6.08
SF-DEV-11285
Sure, your flashing, chip-tune playing t-shirt is really cool at the party… but at some point you need to turn it off. And yes, you could just pull the battery, or maybe you’ve even sewn.....
$7.62
SF-DEV-11259
A small, but mighty power supply. This board was designed to be as small and inconspicuous as possible. Pop in a AAA battery, flip the power switch, and you will have a 5V supply to.....
$23.02
SF-PRT-00731
This is a very small, extremely light weight battery based on the new Polymer Lithium Ion chemistry. This is the highest energy density currently in production. Each cells outputs a nominal 3.7V at 110mAh! Comes.....
$10.70