Power & Batteries

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...

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...

SKU: DF-FIT0889 | Brand: DFRobot

The MDP-XP kit brings Miniware’s modular Mini Digital Power System into a programmable linear DC supply setup for lab, repair and development work. It supports flexible stacking, 2.4G wireless display and control, mic...

SKU: DF-DFR1222 | Brand: DFRobot

Built around Espressif's ESP32-C5, this compact FireBeetle board is designed for smart home, robotics and wider IoT projects that need strong wireless performance with low power use. It combines a 240 MHz RISC-V proce...

SKU: DF-MBT0044 | Brand: DFRobot

This expansion board turns a micro:bit or UNIHIKER K10 into a cable-free robotics controller for mobile builds. It provides onboard power from a user-replaceable 18650 cell slot and breaks out motor, servo, Gravity IO...

SKU: DF-FIT0885 | Brand: DFRobot

This DC power splitter cable lets a single DC 5.5 x 2.1 mm power source feed three compatible devices, making it a handy option for tidy multi-device power setups.It uses a tinned oxygen-free copper wire core for stab...

SKU: DF-FIT0886 | Brand: DFRobot

This DC power splitter cable lets you run four DC devices from a single power source. It has one DC 5.5 x 2.1mm female connector splitting out to four DC 5.5 x 2.1mm male connectors, making it handy for tidier low-vol...

SKU: SF-DEV-27510 | Brand: SparkFun

Add the user interface and power features needed to take a compatible SparkFun development board into the field. This shield brings together battery power, charging, storage and controls in a compact add-on board.Powe...

SKU: AF-5830 | Brand: Adafruit

This compact Adafruit breakout helps manage two power inputs in a small project, such as a battery, USB supply or DC wall adaptor. It uses the LM66200 dual ideal diode IC to select the higher of two inputs while helpi...

SKU: AF-6495 | Brand: Adafruit

This BFF add-on makes it much easier to wire up small QT Py and Xiao projects without juggling loose jumpers. Plug in a compatible board and each pin is brought out to a screw-terminal block, with an extra socket pin ...

SKU: SF-PRT-21297 | Brand: SparkFun

This compact regulator board makes it easy to power breadboard projects from a 6-12V supply. It provides a selectable regulated output of either 5V or 3.3V, making it handy for quick prototyping with common microcontr...

SKU: SF-PRT-26993 | Brand: SparkFun

This compact power-control board gives battery-powered projects a laptop-style on/off button while still allowing your microcontroller to take part in the shutdown process. A quick press turns the system on, another p...

SKU: SF-PRT-27081 | Brand: SparkFun

This board adds a laptop-style power button to your project: a simple press turns the system on, and another press can turn it off cleanly when your microcontroller is involved. If things go wrong, pressing and holdin...