Power Management

SKU: DF-DFR0876 | Brand: DFRobot

The Raspberry Pi PoE+ HAT adds Power over Ethernet capabilities to your Raspberry Pi 3B+ or 4B, allowing you to power and connect your Pi to the network using a single Ethernet cable. This eliminates the need for a se...

SKU: WS-23884 | Brand: Waveshare

Uninterruptible Power Supply (UPS) Module, Supports charging And Power output at the same time, 3S & 5V 5A Output Uninterruptible Power Supply Module 3S  Supports charging and power output at the same time, 3S *...

SKU: DF-FIT0151 | Brand: DFRobot

A screw-terminal adapter that converts a 5.5 × 2.1 mm centre-positive DC barrel jack connection to bare wire terminals. Plug in a barrel jack power supply on one end and connect the screw terminals to a breadboard, ci...

SKU: SF-PRT-10811 | Brand: SparkFun

This DC power jack/connector is just like the other one that we carry except that it’s terminated with breadboard-friendly pins instead of wide solder terminals. These are also compatible with our DC wall supplies and...

SKU: SF-PRT-10288 | Brand: SparkFun

This adapter allows you to connect a barrel jack connector to bare wires. One end has screw terminals and the other has a 5.5x2.1mm, center-positive female barrel jack. If you have a power supply with a barrel jack an...

SKU: DF-DFR0884 | Brand: DFRobot

This dual-USB step-down buck converter accepts 8–32V DC input and delivers a regulated 5V output at up to 3A across two USB Type-A ports simultaneously. With over 85% conversion efficiency and built-in reverse-connect...

SKU: AF-3859 | Brand: Adafruit

A 4×AA battery holder with premium jumper header wires that plug directly into a breadboard. No stripping or soldering required — just insert the header pins into your breadboard rails and start prototyping with porta...

SKU: TB-XC4502 | Brand: Little Bird

This compact TP4056-based module charges a single lithium cell from a 5V USB supply. With charge state LEDs and both mini-USB and solder tab inputs, it's an easy way to add rechargeable battery capability to your proj...

SKU: AF-369 | Brand: Adafruit

If you need to connect a battery pack or wired power supply to a board that has a DC jack - this adapter will come in very handy! There is a 2.1mm DC plug on one end, and a screw terminal block on the other. The termi...

SKU: PH-106133 | Brand: PiHut

The Power Bank KeepAlive (USB-C) prevents power banks from automatically shutting off when connected to low-power devices. It uses a 555 timer circuit to pulse a small amount of current through the USB-C port, keeping...

SKU: WS-24760 | Brand: Waveshare

A compact uninterruptible power supply (UPS) module that supports simultaneous charging and power output. When external power is connected, it charges the batteries while providing a stable 5V output. If external powe...

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: 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-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: 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: 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-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...