Power & Batteries

SKU: AF-5451 | Brand: Adafruit

This cable will let you get rid of all those wall adapters you have stashed in the plastic bin in the basement. Instead of multiple wall warts with different power and current capabilities, this cable will convert any...

SKU: LB-1147 | Brand: Little Bird

An enclosed battery holder for three AAA cells with a built-in on/off switch. The snap-on lid keeps batteries secure during use, and the integrated switch lets you toggle power without disconnecting leads. Provides a...

SKU: AF-5030 | Brand: Adafruit

If you've got a computer or laptop with a USB C port, but you're itching to use one of our fancy new Trinkeys, this adapter will do an excellent job at turning that USB Type C port into a USB A port!Works great with a...

SKU: EF-EF10095 | Brand: ElecFreaks

A 2×AA battery holder designed specifically for the BBC micro:bit. The built-in JST PH connector plugs directly into the micro:bit's battery socket, and the integrated on/off switch with a secure cover provides safe, ...

SKU: DF-DFR0528 | Brand: DFRobot

DFRobot UPS HAT is an uninterruptable power supply shield designed for the Raspberry Pi Zero series, and also compatible with Pi 2/3/A+. The UPS HAT can continue to provide power to the Raspberry Pi for a certain peri...

SKU: MM-SKU00074 | Brand: Monk Makes

The MonkMakes Power for micro:bit opens up lots of ways of powering your micro:bit. This tiny board has a standard DC barrel jack socket at one end and provides a regulated 3.3V output that you can use to powe...

SKU: AF-4218 | Brand: Adafruit

If you need to add a panel-mount connection but don't have the time or ability to cut a custom oval or square hole, this USB C Round Panel Mount Extension Cable is the easiest and fastest way to panel-ify your project...

SKU: AF-4175 | Brand: Adafruit

As technology changes and adapts, so does Adafruit, and speaking of adapting, this adapter has a USB A plug and a USB C socket so your older computer or laptop can catch up to the latest USB Type C.USB C is the latest...

SKU: DF-DFR0571 | Brand: DFRobot

This is a DC-DC buck-mode power module, with input voltage range 8V~28V and fixed output voltage/current 5V/3A. Its work frequency can reach to 0.5MHz. The module has high conversion rate and small size, easy to embed...

SKU: DF-DFR0569 | Brand: DFRobot

This tiny DC-DC buck-boost converter automatically steps voltage up or down to deliver a stable 5 V output from a 3–15 V input. About the size of a coin (17 × 13 mm), it's ideal for embedding in projects where space i...

SKU: AF-1385 | Brand: Adafruit

Your power supply problems just got SOLVED! This little circuit board may look tiny but inside is a high efficiency DC/DC step-down converter which can output up to 3 Amp at 5V without the need of any heat-sink or for...

SKU: PI-COM1305 | Brand: Pimoroni

A compact 2×AAA battery holder with a built-in power switch and JST connector, compatible with micro:bit and other boards that accept JST battery inputs. This is the same battery holder included in our micro:bit acces...

SKU: PL-2858 | Brand: Pololu

The D24V22Fx family of step-down voltage regulators generates lower output voltages from input voltages as high as 36 V. They are synchronous switching regulators (also called switched-mode power supplies (SMPS) or DC...

SKU: AF-2164 | Brand: Adafruit

The classic L7805 linear voltage regulator in a TO-220 package, capable of delivering a clean, regulated 5.0 V output (±2%) from an input voltage of 7–35 V. With built-in current limiting and thermal shutdown protecti...

SKU: SF-PRT-12083 | Brand: SparkFun

This 4xAA battery holder puts a nice finishing touch on your battery powered project. This holder features a removable, sliding cover, which is secured with a small phillips head screw. Another bonus is the ON/OFF swi...

SKU: SF-PRT-11892 | Brand: SparkFun

Now for all of your coin cell battery surface mount needs, the 20mm SMD Coin Cell Holder. This holder fits our 20mm Lithium Ion coin cell battery and holds the battery in place with friction. The metal housing connect...

SKU: AF-727 | Brand: Adafruit

A slim 3×AAA battery holder with a built-in on/off switch and JST 2-pin connector. The series configuration outputs approximately 3.6–4.5V — a similar range to lithium-ion batteries — making it an ideal non-rechargeab...

SKU: AF-658 | Brand: Adafruit

This 5V 10A Switching Power Supply delivers up to 50W of stable DC power, making it ideal for driving LED strips, motors, CNC projects, and other power-hungry 5V devices. It accepts both 110V and 220V AC input, so it ...

SKU: LB-LS4126 | Brand: Little Bird

A 4-slot smart charger for 18650 and other cylindrical Li-ion rechargeable batteries. Each slot operates independently, so you can charge batteries of different sizes and charge levels simultaneously. USB powered for ...

SKU: AF-6106 | Brand: Adafruit

The Adafruit bq25185 with 5V Boost is an all-in-one charging and power supply board that supports USB, DC, and solar charging with an integrated 5V boost converter. It is designed for projects that need a stable 5V su...