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Featuring the AP63203, this breakout board takes advantage of a 2A synchronous buck converter that has a wide input voltage r…
The SparkFun Qwiic Quad Solid State Relay Kit takes one of our favorite solid state relays and lets you place up to four of t…
Here is a very simple breadboard power supply kit that takes power from a DC wall wart and outputs a selectable 5V or 3.3V re…
The LiPo Fuel Gauge communicates with your project over I2C and an alert pin also tells you when the charge has dropped below…
If you need to charge LiPo batteries, this simple charger will do just that, and do it fast! The SparkFun USB LiPo Charger is…
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 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 industrial grade DC Buck-Boost converter that inputs 8V to 36V and outputs 12V up to 6A or 72W.
MOSFETs are awesome. They're like a switch that you flip electronically! This SparkFun MOSFET Power Controller makes it easy …
This is a very small, extremely light weight battery based on Lithium Ion chemistry. This is the highest energy density curre…
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 a high quality AC to DC 'wall wart' which produces a regulated output of 12VDC at up to 600mA.
The SparkFun 3.3V Buck Regulator Breakout features the AP3429A from Diodes Inc., a 2A step-down DC-DC converter with an input…
This 2A "laptop brick" supply outputs both 5V and 12VDC and is terminated with a 4-pin ATX connector.
The SparkFun Breadboard Power Supply Stick with headers is a simple board that takes a 6-12V input voltage and outputs 5V or …
This is a high-quality switching 'wall wart' AC to DC 5.1V 2,500mA USB Micro-B wall power supply manufactured specifically fo…
This 2xAA battery holder puts a nice finishing touch on your battery powered project. This holder features a removable, slidi…
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…
These are your standard 1.5V AA alkaline batteries from Panasonic.
The MI:power board adds portability to your project. A buzzer and 3V coin cell holder is connected to the 3V, GND and P0 conn…
This adjustable wall adapter features a rotary switch on the enclosure that allows you to select the voltage.
This is a high quality switching 'wall wart' AC to DC 5V 2000mA USB Micro-B wall power supply manufactured specifically for S…
A simple Lithium Ion battery charger for 12.6VDC Li-Ion batteries similar to the one we sell.
CR1225 lithium metal 3V 12mm 47mAh coin cell batteries. Perfect small battery for miniature sensor node applications. Thes…
These are high quality Single Pole - Double Throw (SPDT) sealed relays. Use them to switch high voltage, and/or high current …
The KR Sense 90A is a small voltage and current sense breakout board.
The 0.3 Watt 2 Volt mini solar panel from Voltaic Systems is a lightweight, waterproof, solar panel designed for 5-7 year out…
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 the CR2025 20mm coin cell battery. You may be wondering what sets this guy apart from the more common CR2032 coin cel…
The ATX power connector breaks out the standard 4-pin computer peripheral port for you 12V & 5V devices from one wall adapter…
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 1.2 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…
SparkFun Jetson Nano Intermediate Kit with Battery Pack provides you with all of the essential parts needed to start new proj…
This is an incredibly simple one cell 18650 Battery Holder. When someone thinks of 18650 Cells they tend to think of flashlig…
The KR Sense 45A is a small voltage and current sense breakout board.
The Soft Power Switch is a passive, hard on/off switch with software feedback and control. In other words, it's like the on/o…
The is the official USB Type-C Power Supply for the Raspberry Pi Model 4 B.
We've taken the classic, portable, rechargeable lithium ion battery pack and tweaked the design to make it amenable to low cu…
This is an incredibly simple two cell 18650 Battery Holder. When someone thinks of 18650 Cells they tend to think of flashlig…
This is a classic 9V snap connector terminated with 2-pin polarized Molex connector with 0.1" spacing.
This is a breakout board for our non-isolated, [6A DC-to-DC Converter Module](http://www.sparkfun.com/commerce/product_info.p…
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…
Two pin JST connector to a 2.1x 5.5mm barrel jack, 6.25 inch long jumper cable. We use this cable to adapt from a wall power …
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…
The 0.3 Watt Volt mini solar panel from Voltaic Systems is a lightweight, waterproof, solar panel designed for 5-7 year outdo…
This is a simple coin cell battery holder that can enclose two CR2032 batteries inside itself, and safely kept closed via two…
The SparkFun Variable Load is a quick to assemble kit that has been designed to allow users to draw a specific amount of curr…
