Batteries

These are very slim, extremely light weight batteries based on Lithium Ion chemistry. Each cell outputs a nominal 3.7V at 850mAh! Comes terminated ...

These are very slim, extremely light weight batteries based on Lithium Ion chemistry. Each cell outputs a nominal 3.7V at 2000mAh! Comes termina...

This is a very small, extremely lightweight battery based on Lithium Ion chemistry, with the highest energy density currently in production. Each c...

This is an extremely tiny and light weight battery based on the new Polymer Lithium Ion chemistry. This is the highest energy density currently in ...

This small capsule is a 4.5V button cell battery holder for mini power solutions.Its minimalism design in clean white cylinder body and matte surf...

CR2032 Lithium metal 3V 250mAh button cell battery. Great for powering low power processors or blink an LED for weeks at a time. Note: This item is...

CR1225 lithium metal 3V 12mm 47mAh coin cell batteries. Perfect small battery for miniature sensor node applications. These batteries are sold in s...

2500mAh 1.2V Nickel Metal Hydride rechargeable ‘AA’ batteries. NiMH technology provides all the benefits of NiCads without the toxic ingredients an...

These are very slim, extremely light weight batteries based on Lithium Ion chemistry. Each cell outputs a nominal 3.7V at 1000mAh! Comes terminated...

This style of high-current connector is commonly used with the 7.2V battery packs that power many RC cars. The connector, sometimes called Ta...

The SparkFun Battery Babysitter is an all-in-one single-cell Lithium Polymer (LiPo) battery manager. It’s half battery charger, half battery monito...

Classic 9V connector terminated with 2-pin polarized Molex connector. 5" in length.

Battery holder for eight AA cells arranged as two back-to-back four-cell holders.

Battery holder for six AA batteries.

Enclosed battery holder for three AA cells. This holder features a lid that slides over the batteries and snaps into place to fully enclose the...

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...