Power & Batteries

SKU: SF-SEN-12040 | Brand: SparkFun

The INA169 is a “high-side current monitor,” which means that you place a resistor (a “shunt resistor”) on the positive power rail and the INA169 measures the voltage drop across that resistor. The INA169 outputs a sm...

SKU: SF-PRT-07949 | Brand: SparkFun

A PCB-mount clip designed to hold a single AA battery. Ideal for small, low-power applications that need a compact battery solution. Sold individually — use two clips for a complete AA battery holder. Key Features ...

SKU: SF-COM-00595 | Brand: SparkFun

This is a 1A Adjustable SOT-223 voltage regulator capable of outputting 1.2V to 18V. The LM1117 uses the same pin-out and setup as the popular LM317 adjustable regulator, contained in a handy surface mount package....

SKU: SF-CAB-00512 | Brand: SparkFun

This is a standard issue USB 2.0 cable. This is the most common A to B Male/Male type peripheral cable, the kind that’s usually used for printers. Compatible with most SFE designed USB boards as well as USB Arduino bo...

SKU: DF-FIT0330 | Brand: DFRobot

Need a clean energy source for your project? Check out this compact,high quality,high output endurable solar panel.The peak power output is around 9V at 220mA.Can also be used in series to work as recharger for 12V b...

SKU: SF-COM-11707 | Brand: SparkFun

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 very dramatic, but sometimes an extra 6' of power cable is exactly what your project needs. Do...

SKU: SF-COM-11705 | Brand: SparkFun

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 perfectly good barrel jack extension cable, but the whole point of using the barrel jacks was s...

SKU: SF-COM-11706 | Brand: SparkFun

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 very dramatic, but sometimes an extra 3' of power cable is exactly what your project needs. Do...

SKU: SF-PRT-00091 | Brand: SparkFun

A classic 9V battery snap connector terminated with a 2-pin polarised Molex connector. Ideal for quick-connect battery power in breadboard and prototyping setups. Key Features Molex Terminated – 2-pin polarised con...

SKU: DF-FIT0351-OE | Brand: DFRobot

Simple and practical design with bold and dazzling color, it's a collision of undertone and publicity, making yourself stand out and become a trendsetter. Gold plating crafts assure the quality and efficiency of da...

SKU: AF-327 | Brand: Adafruit

A 1.5-metre (5 ft) extension cable with a 5.5 / 2.1 mm barrel jack (female) on one end and a barrel plug (male) on the other. Heavy-duty 24 AWG wires handle up to 5 A, making it suitable for powering LED strips, Ardui...

SKU: SF-PRT-13157 | Brand: SparkFun

The SparkFun Breadboard Power Supply Stick provides clean, regulated 3.3 V or 1.8 V power directly to your breadboard. It accepts 4–9 V input via a DC barrel jack or 2-pin header, and outputs regulated voltage through...

SKU: SF-CAB-10759 | Brand: SparkFun

Integrating Ethernet support into your project is a great way to relay data through a local area network and even bounce information out to the internet. Sometimes it’s hard to get power to your Ethernet devices. Woul...

SKU: AF-564 | Brand: Adafruit

A small, portable inverter for EL wire. Powers off of 4 AAA batteries (not included!), it can drive 3-4 meters (10 to 13 feet) of our high-brightness EL wire OR 1 meter (3 feet) of EL tape OR a 10cmx10cm piece of E...

SKU: SF-PRT-10401 | Brand: SparkFun

A simple single-cell LiPo/Li-Ion battery charger based on the MCP73831T charge controller IC. Connect a battery via the JST connector, plug in a Mini-USB cable for power, and the board handles charging automatically w...

SKU: AF-610 | Brand: Adafruit

A panel-mount DC barrel jack that accepts standard 2.1 mm power plugs. The extra-long threaded body fits panels up to 8 mm thick (5/16″), making it suitable for wooden enclosures and thicker project boxes — not just s...

SKU: AF-3349 | Brand: Adafruit

A 4-pack of standard alkaline AA batteries for powering portable electronics, kits, and projects. These use alkaline (MnO2) chemistry with a voltage range of 1.6V (fresh) to 0.8V (depleted) and a typical capacity of a...

SKU: AF-654 | Brand: Adafruit

A standard CR2032 lithium coin cell battery providing 3V nominal output. This non-rechargeable cell is widely used in electronics projects, wearables, and sewable circuits. Specifications Type – CR2032 lithium coin...

SKU: SF-PRT-12718 | Brand: SparkFun

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 power applications that need a battery to run. Low cost and easy to use!Documents:Datasheet

SKU: AF-771 | Brand: Adafruit

Keep your power source safe and toasty in these waterproof 3xAA battery holders. They're just like classic switched battery holders, but designed for survival! The case has a rubber gasket around the edge of the ca...