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This 2xAA battery holder puts a nice finishing touch on your battery powered project. This holder features a removable, slidi…
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 simple cable that adapts from a USB port to a 5.5x2.1mm barrel connector, center positive. This cable allows the us…
This is an 80W 3-in-1 (3 output ranges) Switching DC Power Supply. Gives a regulated 0-36VDC @ 2.2A, 80W max output. Takes a …
Have a project that needs some good power? Do you like free power provided by our friend, Mr. Sun? Check out this high qualit…
The 4-Bay T4s Intelligent Universal Charger from Tenergy is an automatic smart charger compatible with almost all types of re…
The SparkFun Adjustable LiPo Charger is a single-cell lithium polymer (LiPo) and lithium ion battery charger. Because it’s …
The KTA-223 Relay Board is a USB or RS485 controlled module that can interface a PC to eight or more SPDT relays. This could …
This adapter allows you to connect a barrel jack connector to bare wires. One end has screw terminals and the other has a 5.5…
This is the basic LD1117V33 voltage regulator, a low drop positive regulator with a 3.3V fixed output voltage. This fixed reg…
This 9V battery holder allows your battery to snap in tight and holds it in place, which is great in situations where you don…
This is the basic L7805 voltage regulator, a three-terminal positive regulator with a 5V fixed output voltage. This fixed reg…
This charger accurately balances and charges Lithium Polymer, LiFe (A123), NiCd and NiMH batteries. It will handle LiPo/LiFe …
Power on the go? Why didn't you ask? We've got plenty! These portable, rechargeable lithium ion battery packs are simple, com…
We use barrel jacks a lot around here and sometimes we need to pop a switch into the mix. That usually means hacking up a per…
This is a unique two-cell AAA battery holder built specifically for the BBC micro:bit. The 6" (~150mm) cable has been termina…
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 breakout board for our non-isolated, [6A DC-to-DC Converter Module](http://www.sparkfun.com/commerce/product_info.p…
This 2xAAA battery holder puts a nice finishing touch on your battery-powered project. This holder features a sliding, remova…
Do you fear that your power may not be "far reaching" enough? How would another 6' work for you? Okay, so it doesn't sound ve…
This 3xAA battery holder puts a nice finishing touch on your battery powered project. This holder features a removable, slidi…
This is the CR2025 20mm coin cell battery. You may be wondering what sets this guy apart from the more common CR2032 coin cel…
No, these aren't some sort of weird, AA battery, this is actually a 18650 Lithium Ion Cell. These round high capacity cells h…
A very simple breadboard power supply kit that takes power from any USB port and outputs a fuse protected and regulated 3.3V.…
The NCP1402 is a 3.3V DC-DC converter. The breakout board will accept voltage inputs between 1 and 3 Volts (such as 1 or 2 AA…
This 10 pack of PowerFilm Solar Panels are lightweight, paper thin, and flexible 10.5mA@7.2V power solutions that can be easi…
USB is being implemented as a power connection standard more and more these days, but you don't always have a computer on han…
This Digital LED Voltmeter measures the voltage at a particular point of the system it has been hooked up to and then provide…
This is the big kahuna from Mean Well, a 350W single output switching power supply. This power supply is extremely reliable a…
Simple 4 Cell AA Battery holder with 5" tinned leads, square configuration.
MOSFETs are awesome. They're like a switch that you flip electronically! This SparkFun MOSFET Power Controller makes it easy …
This is a very simple board that takes a 4-9V input voltage and outputs a selectable 1.8V or 3.3V regulated voltage. All head…
This is an incredibly simple two cell 18650 Battery Holder. When someone thinks of 18650 Cells they tend to think of flashlig…
This 4xAA battery holder puts a nice finishing touch on your battery powered project. This holder features a removable, slidi…
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 5A power supply outputs both 24VDC and is terminated with a center-positive 5.5 x 2.1mm barrel connector.
Basic 20mm coin cell holder. Posts can be inserted into 0.1" perf board! Holds the common CR2032 type batteries.
This is a 40W single output switching power supply from Mean Well that has been specifically designed to be with LED applicat…
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 MyoWare Power Shield is designed to take two standard CR2032 coin cell batteries to power the MyoWare Muscle Sensor. We h…
These are your standard 9 Volt alkaline batteries from Rayovac. Don't even think about trying to recharge these. Use them wit…
The BPW34 is a tiny, general purpose [PiN photodiode](http://en.wikipedia.org/wiki/PIN_diode). This photodiode has a ton of u…
This is an incredibly simple one cell 18650 Battery Holder. When someone thinks of 18650 Cells they tend to think of flashlig…
This is the LM317TG voltage regulator, a three-terminal positive regulator with a 1.2V to 37V adjustable output voltage. This…
Classic 9V snap connector terminated with 2-pin polarized Molex connector with 0.1" spacing. The cable is 26AWG and is 5" in …
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