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These are very slim, extremely light weight batteries based on Lithium Ion chemistry. Each cell outputs a nominal 3.7V at 100…
This is a very small, extremely lightweight battery based on Lithium Ion chemistry, with the highest energy density currently…
The SparkFun Variable Load is a quick to assemble kit that has been designed to allow users to draw a specific amount of curr…
These are very slim, extremely light weight batteries based on Lithium Ion chemistry. Each cell outputs a nominal 3.7V at 200…
No, these aren't some sort of weird, AA battery, this is actually a 18650 Lithium Ion Cell. These round high capacity cells h…
These are very slim, extremely light weight batteries based on Lithium Ion chemistry. Each cell outputs a nominal 3.7V at 850…
The SparkFun Battery Babysitter is an all-in-one single-cell Lithium Polymer (LiPo) battery manager. It’s half battery char…
This is a unique two-cell AA battery holder built specifically for the [BBC micro:bit](https://www.sparkfun.com/products/1420…
This is a very small, extremely light weight battery based on Lithium Ion chemistry. This is the highest energy density curre…
This is an extremely tiny and light weight battery based on the new Polymer Lithium Ion chemistry. This is the highest energy…
If you need some juice, this 6Ah Lithium Ion Battery is for you. These are very compact batteries based on Lithium Ion chemis…
The SparkFun 5V/1A LiPo Charger/Booster is a no-nonsense circuit for generating one amp from a Lithium Polymer battery at 5V.…
Your 5V system can wield great power with this big, beefy relay board. How does 10A on the NC contacts and 20A on the NO cont…
This is a very small, extremely lightweight battery based on Polymer Lithium Ion chemistry. This is the highest energy densit…
Do you want to control a standard wall outlet device with your microcontroller, but don’t want to mess with the high-voltag…
The SparkFun Adjustable LiPo Charger is a single-cell lithium polymer (LiPo) and lithium ion battery charger. Because it’s …
This is the same 18650 Lithium Ion Cell that you know and love, but now includes pre-attached solder tabs! These round high c…
This is a 150W single output switching power supply from Mean Well. This power supply is extremely reliable and able to outpu…
This is a 100W single output switching power supply from Mean Well. This power supply is extremely reliable and able to outpu…
Power on the go? Why didn't you ask? We've got plenty! These portable, rechargeable lithium ion battery packs are simple, com…
This is the big kahuna from Mean Well, a 350W single output switching power supply. This power supply is extremely reliable a…
This 2xAAA battery holder puts a nice finishing touch on your battery-powered project. This holder features a sliding, remova…
This is a high-quality "wall wart" AC to DC 6V 2,000mA Barrel Jack wall power supply manufactured specifically for SparkFun E…
The Power Dock 2 allows you to use any 3.7V LiPo battery to power your Omega and then charge the battery when it’s out of j…
This high discharge LiPo is a great way to power any R/C, robotic, or portable project. This is an excellent choice for anyth…
The MyoWare Power Shield is designed to take two standard CR2032 coin cell batteries to power the MyoWare Muscle Sensor. We h…
The SparkFun ESP32 Thing Power Control Shield enables the [ESP32 Thing](https://www.sparkfun.com/products/13907) to switch up…
These Adam Tech Wall Adapter Cables are terminated with a standard North American (NEMA 5--15P) plug at one end and three ins…
This isn't your ordinary power supply. The Global Power Supply is a 15V, 4.34A power device specifically designed to work wit…
The Relay Expansion Board enables your Omega to control two other independent electrical circuits. The circuits are isolated …
This is a 24W dual output switching power supply from Mean Well. This power supply is extremely reliable and able to output 1…
These Adam Tech Wall Adapter Cables are terminated with a standard European (CEE 7/7) plug at one end and three insulated spa…
This 5A power supply outputs both 24VDC and is terminated with a center-positive 5.5 x 2.1mm barrel connector.
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