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: 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: 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: 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...

SKU: LB-LS6255 | Brand: Little Bird

This Solar Powered DIY Car Kit is the perfect educational toy for children who love to learn and build. With its dual solar power panels, this mini car can run smoothly without the need for batteries. It's a great way...

SKU: LB-LS5548 | Brand: Little Bird

Introducing our Compact DC-DC Voltage Converter Module, a powerful and efficient solution for boosting your power supply needs. This tiny powerhouse is designed to elevate a low 1-5V input to a stable 5V output, perfe...

SKU: DF-FIT0610 | Brand: DFRobot

This enclosed battery holder takes 3× AA batteries in series, providing approximately 4.5V from alkaline cells or 3.6V from NiMH/NiCd rechargeables. It features a built-in on/off switch and a sliding, removable cover ...

SKU: AF-4193 | Brand: Adafruit

A slim 2×AA battery holder with a built-in on/off switch and genuine JST PH connector. Two AA batteries in series provide approximately 3V — ideal for powering low-voltage electronics projects, microcontrollers, and p...

SKU: LB-LR0335-FG | Brand: Little Bird

This 5-metre length of EL wire (electroluminescent wire) glows a vibrant fluorescent green when powered by the included battery-operated inverter. EL wire is a flexible, phosphor-coated wire that produces a cool, even...

SKU: TB-SB2417 | Brand: Little Bird

A six-pack of 9V alkaline batteries from Eclipse. Made to the same specifications as premium brands at a more affordable price point — ideal for stocking up for electronics projects, Arduino boards, and general use. ...

SKU: AF-2166 | Brand: Adafruit

A low-dropout (LDO) 3.3 V linear voltage regulator based on the ST L4931 in a TO-92 package. With just 0.4 V dropout, it delivers a clean, regulated 3.3 V output from input voltages as low as 3.7 V — well suited for s...