Front angled shot of 3 x AAA battery holder with on-off switch and 2-pin JST PH connector.
This battery holder connects 3 AAA batteries together in series for powering all kinds of projects. We spec'd these out because the box is slim, and 3 AAA's add up to about...
$1.95
In Stock
Angled shot of 2 Alkaline AAA batteries.
Battery power for your portable project! These batteries are good quality at a good price, and work fantastic with any of the kits or projects in the shop that use AAA's. This...
$0.95
In Stock
Angled shot of closed 2 x 2032 coin cell battery holder with on-off switch and JST PH Connector.
This tiny coin cell battery holder is ideal for small portable or wearable projects. It holds two 20mm coin cells (2032 or CR2032 are the most popular size) in series to generate 6V...
$1.95
In Stock
Front shot of CR2032 Lithium Coin Cell Battery upright.
A perfect match for our sew-able coin cell holder. This non-rechargeable coin cell is CR2032 sized: 20mm diameter, 3.2mm thick. It...
Out of Stock
Angled shot of a USB Battery Pack for Raspberry Pi - 5000mAh - 5V @ 2.1A.
Discontinued - You can grab USB Battery Pack for Raspberry Pi - 10000mAh - 2 x 5V outputs instead!  A...
Discontinued
Angled shot of white rectangular USB battery pack with 4 dotted lights indicating battery is fully charged.
A large-sized rechargeable battery pack for your Raspberry Pi (or Arduino, or
$39.95
In Stock
Angled shot of square black 4 x AA battery holder with on/off switch and male jumper wires.
Make a nice portable power pack with this 4 x AA battery holder. It fits any alkaline or rechargeable AA batteries in series. There's a snap on cover and an on/off switch which can...
Out of Stock
Angled shot of rectangular black waterproof 2 x AA battery holder with screws, plain wires, and on-off switch.
Keep your power source safe and toasty in these waterproof 2xAA battery holders. They're just like classic switched battery holders, but designed for survival! The case has a rubber...
$3.95
In Stock
Angled shot of black 3 x AA waterproof battery holder with plain wires.
Keep your power source safe and toasty in these waterproof 3xAA battery holders. They're just like classic switched battery holders, but designed for survival! The case has a rubber...
$3.95
In Stock
Angled shot of sewable CR2032 battery holder.
This battery holder is by far the easiest way to add a battery to a small wearable project. By coincidence, there are two small 1mm diameter holes in the metal connection tabs, just...
$1.95
In Stock
Angled shot of a 20mm Coin Cell Breakout Board w/ On-Off Switch.
Simple but effective - this sewable breakout board has a CR2032 coin cell battery holder soldered on, an on/off switch and 0.1" pitch breakout pins for easy connecting. Great for...
$3.50
In Stock
Angled shot of a 20mm Coin Cell Breakout Board
Simple but effective - this sewable breakout board has a CR2032 coin cell battery holder soldered on and 0.1" pitch breakout pins for easy connecting. Great for powering very...
$2.50
In Stock
Lithium Ion Polymer Battery 3.7v 100mAh with JST 2-PH connector
Lithium-ion polymer (also known as 'lipo' or 'lipoly') batteries are thin, light, and powerful. The output ranges from 4.2V when completely charged to 3.7V. This...
$5.95
In Stock
Angle Shot of Lithium Ion Polymer Battery 3.7v 150mAh with JST 2-PH connector
Lithium-ion polymer (also known as 'lipo' or 'lipoly') batteries are thin, light, and powerful. The output ranges from 4.2V when completely charged to 3.7V. This...
$5.95
In Stock
Angled shot of a Lithium Ion Polymer Battery 3.7V 500mAh with JST-PH connector.
Lithium-ion polymer (also known as 'lipo' or 'lipoly') batteries are thin, light, and powerful. The output ranges from 4.2V when completely charged to 3.7V. This...
$7.95
In Stock
Lithium Ion Polymer Battery 3.7v 1200mAh with JST 2-PH connector
Lithium-ion polymer (also known as 'lipo' or 'lipoly') batteries are thin, light, and powerful. The output ranges from 4.2V when completely charged to 3.7V. This...
$9.95
In Stock
Lithium Ion Polymer Battery 3.7v 2000mAh with JST 2-PH connector
Lithium-ion polymer (also known as 'lipo' or 'lipoly') batteries are thin, light, and powerful. The output ranges from 4.2V when completely charged to 3.7V. This...
Out of Stock
Lithium Ion Polymer Battery 3.7v 2500mAh with JST 2-PH connector
Lithium-ion polymer (also known as 'lipo' or 'lipoly') batteries are thin, light, and powerful. The output ranges from 4.2V when completely charged to 3.7V. This...
Out of Stock
Top view of Adafruit Micro Lipo - USB LiIon/LiPoly charger - v1 above a 2-pin JST cable.
Oh so adorable, this is the tiniest little lipo charger, so handy you can keep it any project box! Its also easy to use. Simply plug in the gold plated contacts into any USB port and a...
$5.95
In Stock
Adafruit Micro-Lipo Charger for LiPo/LiIon Batt w/MicroUSB Jack connected to battery.
Oh so handy, this little lipo charger is so small and easy to use you can keep it on your desk or mount it easily into any project! Simply plug it via any MicroUSB cable into a USB...
Out of Stock
Top-down shot of Adafruit Mini Lipo w/Mini-B USB Jack - USB LiIon/LiPoly charger connected to a battery.
Oh so handy, this little lipo charger is so small and easy to use you can keep it on your desk or mount it easily into any project! Simply plug it via any MiniUSB cable into a USB port...
$6.95
In Stock