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The MyoWare® 2.0 Muscle Sensor Development Kit is an Arduino-compatible, EMG sensor kit that provides you with every board f…
The MyoWare® 2.0 Muscle Sensor Basic Kit is an Arduino-compatible, EMG sensor kit that provides you with the essential board…
This is an extremely tiny and light weight battery based on the new Polymer Lithium Ion chemistry. This is the highest energy…
The SparkFun GNSS Timing Breakout offers a unique entry into SparkFun's geospatial catalog featuring the ZED-F9T GNSS receive…
The SparkFun 5V/1A LiPo Charger/Booster is a no-nonsense circuit for generating one amp from a Lithium Polymer battery at 5V.…
This is a very small, extremely lightweight battery based on Lithium Ion chemistry, with the highest energy density currently…
Slim, extremely light weight batteries based on Lithium Ion chemistry. Each cell outputs a nominal 3.7V at 1000 mAh!
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 …
Slim, extremely light weight batteries based on Lithium Ion chemistry. Each cell outputs a nominal 3.7V at 1250 mAh and is IE…
These are very slim, extremely light weight batteries based on Lithium Ion chemistry. Each cell outputs a nominal 3.7V at 200…
This is a unique two-cell AAA battery holder built specifically for the BBC micro:bit. The 6" (~150mm) cable has been termina…
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…
If you need to charge LiPo batteries, this simple charger will do just that, and do it fast! The SparkFun LiPo Charger Basic …
The SparkFun LiPo Charger Plus is the suped-up power option in the SparkFun line of single-cell lithium polymer (LiPo) batter…
No, these aren't some sort of weird, AA battery, this is actually a 18650 Lithium Ion Cell. These round high capacity cells h…
This is the 4-Bay Eunicell Intelligent AA, & AAA Ni-MH battery charger.
The LiPo Fuel Gauge communicates with your project over I2C and an alert pin also tells you when the charge has dropped below…
The SparkFun Adjustable LiPo Charger is a single-cell lithium polymer (LiPo) and lithium ion battery charger. Because it’s …
If you need some juice, this 6Ah Lithium Ion Battery is for you. These are very compact batteries based on Lithium Ion chemis…
This is a very small, extremely light weight battery based on Lithium Ion chemistry. This is the highest energy density curre…
This is a unique two-cell AA battery holde. The 6" (~150mm) cable has been terminated with a JST-PH connector.
We've taken the classic, portable, rechargeable lithium ion battery pack and tweaked the design to make it amenable to low cu…
This is the same 18650 Lithium Ion Cell that you know and love, but now includes pre-attached solder tabs! These round high c…
The MyoWare® 2.0 LED Shield is designed to display the magnitude of a target muscle's signal and power the MyoWare 2.0 Muscl…
The MyoWare® 2.0 Power Shield is designed to easily power the MyoWare 2.0 Muscle Sensor remotely.
The SkyRC B6 V2 is a DC input high-performance, micro-processor controlled charge/discharge/DC/DC converter with battery mana…
The PiJuice is a fully uninterruptible power supply HAT that will always keep your Raspberry Pi powered.
This is a classic 9V snap connector terminated with 2-pin polarized Molex connector with 0.1" spacing.
MOSFETs are awesome. They're like a switch that you flip electronically! This SparkFun MOSFET Power Controller makes it easy …
This 3xAA battery holder with JST connector puts a nice finishing touch on your battery powered project.
This is a simple coin cell battery holder that can enclose two CR2032 batteries inside itself, and safely kept closed via two…
A simple Lithium Ion battery charger for 12.6VDC Li-Ion batteries similar to the one we sell.
This 2xAAA battery holder puts a nice finishing touch on your battery-powered project. This holder features a sliding, remova…
10Ah capacity & multiple USB options make this a great option for mobile USB power on your next project.
These are your standard 1.5V AA alkaline batteries from Panasonic.
These are your standard 9 Volt alkaline batteries from Rayovac. Don't even think about trying to recharge these. Use them wit…
The SparkFun Jetson Nano Basic Kit with Battery Pack provides you with all of the essential parts needed to start new project…
This high discharge LiPo is a great way to power any R/C, robotic, or portable project. This is an excellent choice for anyth…
Tynker and BBC Learning take coding to the next level with a programmable HiFive mini-computer and guided lessons covering Bl…
The SparkFun Photon Battery Shield provides you with an easy way to power your Photon module with a Lithium Polymer (LiPo) ba…
The 4-Bay T4s Intelligent Universal Charger from Tenergy is an automatic smart charger compatible with almost all types of re…
A simple Lead-acid battery charger for 13.8VDC Lead-acid batteries. It comes in a robust metal enclosure (IP68 rated) with a …
This is a very small, extremely lightweight battery based on Polymer Lithium Ion chemistry. This is the highest energy densit…
MIKROE BATT-MAN Click is a very versatile battery operated power manager.
The PowerBank 2 Click is equipped with the RT9480, an easy to use power solution for Li-ion power bank and other powered hand…
SparkFun Jetson Nano Intermediate Kit with Battery Pack provides you with all of the essential parts needed to start new proj…
