Batteries

Battery holder for 4 AAA cells.

14500 Li-Ion battery, commonly used in LED torches. NOTE: This is an unprotected rechargeable lithium battery (Li-Ion or LiFePO4) which is only sui...

No external charger required, just a USB port. Simply flip-off the cap and plug it in to recharge! No cables, charger, or other fuss required. ...

The SparkFun Photon Battery Shield provides you with an easy way to power your Photon module with a Lithium Polymer (LiPo) battery. Not only can th...

This battery holder can hold 3 AA batteries which provides 3.6V rechargeable battery pack with NiMH / NiCd cells or 4.5V battery pack with Alkalin...

Make a portable power brick with plenty of juice! Use Alkaline AA's for a 9V 3000-4000mAh power supply, or rechargeable NiMH for 2000mAh 7.5V suppl...

Charge your single-cell lithium ion/polymer battery any which way you like with this board. Have a USB connection? No problem, just plug into...

These LR44 button cell batteries are fairly common but it can be hard to keep them around. They fit our digital calipers, so if you use yours as mu...

A small, portable inverter for EL wire. Powers off of 2 AA batteries (not included!), it can drive 1 to 8 feet (about 2.5m) of our high-brigh...

Need a big battery for your project? This lithium ion pack is made of 2 balanced 2200mAh cells for a total of 4400mA capacity! The cells are con...

These are the highest quality & capacity batteries, the same as shipped with the iCufflinks, iNecklace, Datalogging and GPS Shields, GPS HAT, e...

This is the same 18650 Lithium Ion Cell that you know and love, but now includes pre-attached solder tabs! These round high capacity cells have bee...

The tiny little LiPo/LiIon power supply shim for all versions of the Raspberry Pi!We love mobile projects but having a discrete, slick, and tidy po...

Is there anything an Arduino can’t do? Well, for one, most of them can’t be powered directly from a 3.7V LiPo battery; much less charge and monitor...

Bluno is great but I want small size for my product; Ble-link does well in its work but I don't want additional adapter to be inserted. Now, ...

The Hakko FX-901 is a cordless soldering iron that is both portable and practical and provides you with a means to easily solder on the go. Powered...

A Difficult Choice Made Easy The choice of LiPo batteries and battery chargers can be overwhelming. In the past, with older RC cars and NiCd ba...

This is a PCB mount clip to hold a 18650 Lithium Ion Cell battery. Each battery holder is sold in single units, you’ll need two for each battery. T...

This is a very small, extremely lightweight battery based on Polymer Lithium Ion chemistry. This is the highest energy density currently in product...

This 3xAA battery holder puts a nice finishing touch on your battery powered project. This holder features a removable, sliding cover, which is sec...

Are you tired of having to accommodate inconvenient power supplies and compromise the mobility and customization of your project? The BooSTick from...

When you need a portable 12V power pack, this big holder will do the job! The holder will store 8 AA batteries end to end, to give approximately...

Put a voltage meter anywhere with this very handy display. These are often used by RC hobbyists for keeping track of batteries but we thought it...

LiPo batteries are a great way to power your projects. They’re small, lightweight, and pack a pretty good punch for their size. Unfortunately, even...