Power & Batteries

SKU: SF-COM-00526 | Brand: SparkFun

The LD1117V33 is a low-dropout (LDO) positive voltage regulator with a fixed 3.3V output. With on-chip trimming providing ±1% output voltage tolerance and built-in current and thermal limiting, it's a reliable choice ...

SKU: AF-5452 | 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: AF-4299 | Brand: Adafruit

A compact adapter that converts a Micro-B USB cable to a USB-C plug. Simply attach it to the end of an existing Micro-B cable to connect to USB-C devices — no new cable required. Key Features Micro-B Socket to USB-...

SKU: DF-DFR0205 | Brand: DFRobot

This Power Module is a small size 5A 350KHz 25V Buck DC to DC Converter. It can convert any DC voltage between 3.6V-25V to a selectable voltage from 3.3V to 25V. You can choose 5V direct output voltage with the conv...

SKU: DF-FIT0266 | Brand: DFRobot

A 6×AA battery holder with bare wire leads for creating 7.2V rechargeable battery packs (NiMH/NiCd) or 9V packs from alkaline cells. The holder features side-by-side cell placement and comes with 150mm red and black w...

SKU: AF-3064 | Brand: Adafruit

By popular request - we now have a way you can turn on-and-off Lithium Polymer batteries without unplugging them. This PH2 Female/Male JST 2-pin Extension Cable comes with an in-line Switch - click once t...

SKU: AF-354 | Brand: Adafruit

Need a big battery for your project? This lithium ion pack is made of 2 balanced 2200mAh cells for a total of 4400mA capacity! The cells are connected in parallel and spot-welded to a protection circuit that provid...

SKU: AF-830 | Brand: Adafruit

A 4×AA battery holder with a snap-on cover and built-in on/off switch. Holds four AA batteries in series, outputting a nominal 6V (alkaline) or 4.8V (NiMH), making it a convenient portable power source for 5V microcon...

SKU: KS-KS0576 | Brand: Keyestudio

Introducing the Smart Eco-Friendly House Starter Kit for Arduino, the perfect way to learn about automated and intelligent management while also promoting eco-friendliness. This kit utilizes multiple sensors and modul...

SKU: AF-4288 | Brand: Adafruit

Here's a hand-held-size rechargeable battery pack for your Raspberry Pi (or Metro, or anything else that uses 5V!). This pack is intended for providing a lot of power to a smartphone, tablet, etc, but we found it d...

SKU: SF-CAB-13243 | Brand: SparkFun

This is a USB 2.0 type B to Mini-B 5-pin black cable. You know, the mini-B connector that usually comes with USB Hubs, Cameras, MP3 players, etc. We specifically like these 6" long cables because using USB peripherals...

SKU: AF-67 | Brand: Adafruit

A 9V battery holder with a built-in on/off switch and a pre-attached 5.5mm/2.1mm centre-positive barrel plug. Ready to use out of the box — snap in a 9V battery, plug into your Arduino or other development board, and ...

SKU: AF-1904 | Brand: Adafruit

The Adafruit Micro Lipo with MicroUSB Jack is a compact charger for single-cell 3.7V/4.2V lithium polymer and lithium ion rechargeable batteries. Plug in any Micro USB cable to a USB power source and connect your batt...

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: SF-PRT-21870 | Brand: SparkFun

A simple plug and play USB C to A converter (and vice-versa). This allows you to run devices and cables with the classic USB Type A connector off a device or adapter with a USB Type C port. It features up to USB 3.1 s...

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: AF-3030 | Brand: Adafruit

Double up on your micro USB capabilities with the Micro B USB 2-Way Splitter Cable. This splitter is great for reducing cable clutter and freeing up port space. It takes a single Micro B connection (with data ...

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: AF-3435 | Brand: Adafruit

The Adafruit TPL5110 Low Power Timer Breakout turns any electronics project into a low-power system by periodically switching power on and off. Connect it between your power supply and your project, and the TPL5110 wi...