Track My Order
Frequently Asked Questions
International Shipping Info
Send Email
Jump to Subcategory:
added to your cart!
10Ah capacity & multiple USB options make this a great option for mobile USB power on your next project.
Basic 20mm coin cell holder. Posts can be inserted into 0.1" perf board! Holds the common CR2032 type batteries.
The 0.6 Watt Volt small solar panel from Voltaic Systems is a lightweight, waterproof, small solar panel designed for 5-7 yea…
The BPW34 is a tiny, general purpose [PiN photodiode](http://en.wikipedia.org/wiki/PIN_diode). This photodiode has a ton of u…
This 3xAA battery holder with bare wire leads puts a nice finishing touch on your battery powered project.
The 0.3 Watt Volt mini solar panel from Voltaic Systems is a lightweight, waterproof, solar panel designed for 5-7 year outdo…
2500mAh 1.2V Nickel Metal Hydride rechargeable 'AA' batteries. [NiMH technology](http://en.wikipedia.org/wiki/Nickel_metal_hy…
This is an incredibly simple two cell 18650 Battery Holder. When someone thinks of 18650 Cells they tend to think of flashlig…
This 3xAA battery holder with JST connector puts a nice finishing touch on your battery powered project.
This relay's coil is rated up to 3V, with a maximum switching voltage of 250VAC, 125VDC. The contacts are rated up to 10A (@1…
The ATX power connector breaks out the standard 4-pin computer peripheral port for you 12V & 5V devices from one wall adapter…
This is a simple 48W (8V DC, 6A) power supply, designed for use with the Raspberry Pi Build HAT.
This high discharge LiPo is a great way to power any R/C, robotic, or portable project. This is an excellent choice for anyth…
This female barrel jack plug is great for adding a common connector to the end of wires. This jack is compatible with 5.5x2.1…
These are massive single pole - double throw (SPDT) sealed relays. This means that when current is applied to the coil it thr…
If you need to charge LiPo batteries, this simple charger will do just that. It is designed to charge single-cell Li-Ion or L…
The KR Sense 45A is a small voltage and current sense breakout board.
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 t…
This is a handy little device that can save your system from smoking. A resettable fuse (also known as a [PTC](http://en.wiki…
These are your standard 9 Volt alkaline batteries from Rayovac. Don't even think about trying to recharge these. Use them wit…
This analog panel meter measures DC voltage from 0-5 volts with 2.5% accuracy. It has a clear and easy to read scale and an a…
Now for all of your coin cell battery surface mount needs, the 20mm SMD Coin Cell Holder. This holder fits our 20mm Lithium I…
The SparkFun Power Supply Sample Kit provides you with a sampling of the power supplies that we offer to power your next proj…
These are your standard 1.5V AA alkaline batteries from Panasonic.
This is the LM317TG voltage regulator, a three-terminal positive regulator with a 1.2V to 37V adjustable output voltage. This…
Do you fear that your power may not be "far reaching" enough? How would another 3' work for you? Okay, so it doesn't sound ve…
This is a USB Type-C Power Supply that is compatible with the Raspberry Pi 4.
This adaptor allows you to power your RPi 4 with a previous usb-micro B power supply.
This is a 3-pack of international wall adapter sockets for the UK/EU/AU.
10AH Lithium Battery Power Bank with Digital Readout and 3 Connector Cables and two Ports.
This is a through-hole 12mm coin cell battery holder. It's the unit we like to use as RTC backup and SRAM backup for GPS unit…
PCB mount clip to hold a AAA battery. Sold in single units, you'll need two for each battery. These work great for small, low…
Use this high-strength acrylic gasket to attach the 1.2W panels from Voltaic Systems to an enclosure.
SparkFun Jetson Nano Intermediate Kit with Power Supply provides you with all of the essential parts needed to start new proj…
This USB AC to DC power supply will do 5V at 2A!
A 2 x AAA battery box with a JST connector for powering the micro:bit.
This is the basic L7812 voltage regulator, a three-terminal positive regulator with a 12V fixed output voltage. This fixed re…
Our RedBoards are great. But don't they sometimes seem a little **_BIG_**?! Enter **smôl**, a new range of boards which a…
A simple Lead-acid battery charger for 13.8VDC Lead-acid batteries. It comes in a robust metal enclosure (IP68 rated) with a …
The KR Sense 90A is a small voltage and current sense breakout board.
These are your standard 1.5V AAA alkaline batteries from Energizer.
This is the CR2025 20mm coin cell battery. You may be wondering what sets this guy apart from the more common CR2032 coin cel…
A 2 x AAA battery box with a JST connector and on/off switch for powering the micro:bit.
This is a right-angle, 24-pin Molex Mini-Fit Jr.™ connector, commonly used as the power supply connector on [ATX](http://en…
Use this high-strength acrylic gasket to attach the 0.3W panels from Voltaic Systems to an enclosure.
This is the SMD version of [PRT-07948](http://www.sparkfun.com/products/7948), which is the unit we like to use as RTC backup…
The Elektor DIY LiPo Supercharger can charge a single-cell LiPo battery and protect it against the effects of overvoltage, ov…
