Power & Batteries

SKU: AF-425 | Brand: Adafruit

A 4-pin Molex power cable that matches the hard drive/CD-ROM power connectors found on AT and ATX power supplies. Use it to tap into 5V or 12V DC from a desktop power supply for your projects — a convenient source of ...

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: SF-PRT-12885 | Brand: SparkFun

This is the Sunny Buddy, a maximum power point tracking (MPPT) solar charger for single-cell LiPo batteries. This MPPT solar charger provide you with the ability to get the most possible power out of your solar panel ...

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-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: SF-BOB-09946 | Brand: SparkFun

This breakout board uses the LTC3588 Piezoelectric Energy Harvester from Linear Technologies. This board can be used not only for harvesting piezoelectric energy, but solar energy as well. There is a bridge rectified ...

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: 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-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-3520 | Brand: Adafruit

A 3-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-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-TOL-20680 | Brand: SparkFun

Keep an eye on your single-cell LiPo battery before your project suddenly runs out of power. This compact fuel gauge board sits in circuit with your battery and reports the relative state of charge using the MAX17043 ...

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...