Power & Batteries

SKU: AF-5705 | Brand: Adafruit

Witty Pi is an add-on board that adds real time clock and power management to your Raspberry Pi. It can define your Raspberry Pi’s ON/OFF sequence and significantly reduce energy use. Witty Pi 4 L3V7 is the new member...

SKU: SF-COM-21256 | Brand: SparkFun

The SparkFun BabyBuck Regulator Breakout delivers a regulated 5V output from a 6–32V input in an ultra-compact 0.63" × 0.52" form factor. Based on the AP63357 synchronous buck converter from Diodes Inc., it provides u...

SKU: LB-LS2065 | Brand: Little Bird

Item Name: LED Solar LampEmitted Color: White (6000K-6500K) LED QTY:20LEDsSolar panel: 0.65W 17% efficiency Li-ion battery: 2.22WH / 1200mAh LED Type:2835 SMD Lumens: 350LM-500LM Delay time:10...

SKU: AF-5368 | Brand: Adafruit

A 5 V, 1.2 W solar panel from Voltaic Systems, built with ETFE (Ethylene Tetrafluoroethylene) construction for superior durability over standard PET or laminate panels. Featuring 10 high-efficiency monocrystalline Sun...

SKU: DF-DFR0940 | Brand: DFRobot

This power filter board for Raspberry Pi integrates solid capacitors, ceramic capacitors, and tantalum capacitors in a parallel hybrid filtering configuration. It filters low, mid, and high-frequency power noise from ...

SKU: DF-FIT0844 | Brand: DFRobot

This PTC (Positive Temperature Coefficient) Heating Element is a self-regulating thermostatic ceramic heater that automatically maintains a constant surface temperature without external temperature controllers or sens...

SKU: AF-4920 | Brand: Adafruit

This little buck converter based on the TPS62827 is super handy, taking up to 5.5V input and providing a 3.3V output with up to 2A current. It's great for supplying power to hungry 3.3V voltage circuits from a range o...

SKU: AF-4779 | Brand: Adafruit

This compact battery holder connects 3× AA batteries in series, providing 3.3–4.5V output — a similar range to lithium-ion/polymer batteries. It features a built-in on/off switch and a genuine JST-PH 2-pin connector w...

SKU: SF-CAB-16905 | Brand: SparkFun

This USB 2.0 Type C cable is perfect for use with your Raspberry Pi 4 and other USB Type C boards. USB Type-C Connectors and Cable Assemblies offer greater PCB savings while enabling high-frequency mating in data, con...

SKU: AF-4226 | Brand: Adafruit

The Adafruit INA260 is a precision DC power sensor that measures current, voltage, and power on either the high or low side of your circuit. With an integrated 2 mΩ (0.002Ω) 0.1% shunt resistor and 16-bit ADC, it hand...

SKU: LB-LR0309-16 | Brand: Little Bird

A flat 4×AA battery holder with a 2.1mm DC barrel jack connector, providing an easy way to power Arduino boards and other projects that accept a DC barrel plug. With four alkaline AA batteries installed, it delivers a...

SKU: LB-LR0294 | Brand: Little Bird

A simple 6-cell AA battery holder with a 125mm (5") cable terminated with a standard 5.5×2.1mm centre-positive barrel jack connector. Creates a 7.2V rechargeable battery pack from NiMH/NiCd cells or a 9V pack from alk...

SKU: DF-FIT0079 | Brand: DFRobot

A simple 4-cell AA battery holder in a square (2×2) configuration. Features 5-inch tinned leads for easy soldering into your project. Provides 6V nominal output with four AA alkaline batteries, or 4.8V with rechargeab...

SKU: AF-1476 | Brand: Adafruit

A 16mm illuminated pushbutton with a built-in blue LED and latching on/off action. Press once to switch on, press again to switch off — ideal for power switches, mode selectors, and control panels. The LED is wired i...

SKU: SF-COM-14567 | Brand: SparkFun

It’s tiny, it’s handy, and it can give your normal USB-equipped device a micro-B connector! With the USB to Micro-B Adapter you can make a flash drive connect to your tablet, connect a keyboard to your phone in order ...

SKU: AF-1620 | Brand: Adafruit

Add a power switch to any USB-powered project simply by plugging this between the USB power port and the USB cable. This is the most useful thing you never knew you needed! You'll want to pick up a bunch for your elec...

SKU: AF-1863 | Brand: Adafruit

This switched JST connector is the best way to quickly prototype with our LiPoly batteries. We paired a genuine JST connector with a slide switch that can do up to 600mA. Both are soldered onto a breadboard-friendl...

SKU: DF-FIT0043 | Brand: DFRobot

The second version of the 9V to Barrel Jack Adapter, now featuring a hard plastic battery snap for easier connection and disconnection. Plug a 9V battery into one end and connect the other to any device with a 5.5 × 2...

SKU: DF-DFR0208 | Brand: DFRobot

If you need to charge LiPo batteries, this simple charger will do just that, and do it fast! The Lithium Battery Charger can charge 3.7V LiPo battery at a rate of 500mA per hour. It is designed to charge single-cel...

SKU: AF-2897 | Brand: Adafruit

A simple adapter that sits inside a 5.5 / 2.5 mm DC barrel jack, allowing you to use a standard 5.5 / 2.1 mm barrel plug with it. Just insert the adapter into the device's 2.5 mm jack, then plug in your 2.1 mm power s...