Power & Batteries

SKU: AF-1885 | Brand: Adafruit

When I was studying power supply electronics in school, the instructor always talked about adding BFC's to the circuit - Big Freakin' Capacitors. This here is UHFC - Unbelievably Huge Freaking Capacitor. If you have a...

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-617 | Brand: Adafruit

A 2-pack of standard alkaline AAA 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 capacity of approxim...

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: 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-276 | Brand: Adafruit

This FCC/CE certified and UL-listed switching power supply delivers a clean, regulated 5V DC output at up to 2A (2,000mA) via a standard 5.5×2.1mm DC barrel jack. It accepts 110–240V AC input and is suitable for power...

SKU: AF-2030 | Brand: Adafruit

PowerBoost is the perfect power supply for your power-hungry portable project! This little DC/DC boost converter module can run from 1.8V batteries or higher, and convert that voltage to 5.2V DC for running your 5V...

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...

SKU: AF-798 | Brand: Adafruit

Warning: This is a US-plug adapter and is not certified for use in Australia. Only purchase if you are using it outside Australia or with an appropriate plug adapter. A regulated 12V DC switching power adapter deli...

SKU: DF-FIT0078 | Brand: DFRobot

A double-layer 6×AA battery holder with a stacked 3+3 cell arrangement for a more compact footprint. Creates a 7.2V rechargeable battery pack from NiMH/NiCd cells or a 9V pack from alkaline cells. Comes with 150mm (6"...

SKU: AF-1994 | Brand: Adafruit

This 5V 2A USB power supply provides clean, regulated power for single-board computers like the Raspberry Pi and BeagleBone, or any other USB-powered device with high current demands. It outputs via a USB Type-A port,...

SKU: AF-904 | Brand: Adafruit

This breakout board will solve all your power-monitoring problems. Instead of struggling with two multimeters, you can just use the handy INA219B chip on this breakout to both measure both the high side voltage and DC...

SKU: AF-3521 | Brand: Adafruit

A 3-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: LB-LS7935 | Brand: Little Bird

Power your projects reliably with this 3.7V 18650 Lithium Battery 2-pack, featuring a convenient tip head design for easy integration into battery holders and devices. With a 2600mAh capacity, these cells are ideal fo...

SKU: AF-6359 | Brand: Adafruit

This breakout lets you add an ideal diode to a higher-current DC power path without the usual forward voltage drop of a standard diode. It is designed for 3~23V DC supplies and up to 5A, using the LM73100's back-to-ba...

SKU: SF-DD-21211 | Brand: SparkFun

The Hydra is a handy USB power breakout cable for powering maker projects from a USB power supply or computer. It brings out the USB 5V and GND lines so you can connect them to common project power inputs without buil...

SKU: SF-COM-27925 | Brand: SparkFun

Keep your project powered through power-supply hot swaps with this compact ideal diode breakout from SparkFun. It provides reliable one-way voltage control for dynamic power selection and switchover, over-voltage prot...

SKU: DF-DFR1247 | Brand: DFRobot

This smart UPS expansion board adds battery-backed power management to the LattePanda IOTA, giving portable and embedded builds a laptop-like uninterruptible power supply. It uses the standard HID-UPS protocol, so Win...

SKU: DF-KIT0210 | Brand: DFRobot

This compact outdoor solar power kit is made for off-grid monitoring and IoT installations where mains power is not available. It pairs a 10W monocrystalline solar panel with a solar power controller to charge lithium...