Power & Batteries

SKU: DF-DFR0580 | Brand: DFRobot

The DFRobot Solar Power Manager series are designed for IoT projects and renewable energy projects, providing safe and high-efficiency embedded solar power management modules for makers and application engineers. This...

SKU: DF-FIT0845 | Brand: DFRobot

PTC stands for “Positive Temperature Coefficient”. This thermostatic ceramic PTC heating element can be used to automatically maintain a constant temperature without special temperature controllers and temperature sen...

SKU: AF-4696 | Brand: Adafruit

Perhaps your smart phone, tablet, or even your Raspberry Pi 4, charges off of USB, but can you really trust that charging station at the airport? Now you can control when to allow data in or out of your device with th...

SKU: AF-4711 | Brand: Adafruit

The AP3429A Buck Converter Breakout steps down 3.4–5.5V input to a stable 3.3V output at up to 1.2A, with 90–95% efficiency. It's ideal for powering 3.3V circuits from LiPo batteries, 3× alkaline cells, or USB power s...

SKU: SF-CAB-15426 | Brand: SparkFun

USB-C is fantastic. What makes this cable even better is that one of the features we love so much about USB-C has been replicated to the USB-A 2.0 plug! These cables have minor, yet genius modifications that allow ...

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

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

SKU: AF-899 | Brand: Adafruit

A compact 6" (approx. 15cm) USB Type-A to Mini-B cable for USB 1.1 and 2.0 connections. Ideal for keeping on the bench when you need a short, tidy cable to connect to Teensy boards, USB LiPo chargers, or other Mini-B ...

SKU: AF-1125 | Brand: Adafruit

Add a power switch to any project simply by plugging this between the power supply. This is the most useful thing you never knew you needed! You'll want to pick up a bunch for your electronic projects.Comes with a 5.5...

SKU: DF-DFR0579 | Brand: DFRobot

The Solar Power Manager Micro is an ultra-low-power solar energy management module designed for 1–3 V small solar panels. Built around the SPV1050 IC with MPPT (Maximum Power Point Tracking), it maximises solar conver...

SKU: AF-1400 | Brand: Adafruit

The Adafruit Push-button Power Switch Breakout lets you toggle DC power on and off with a simple button press. A latching analogue circuit uses a 3A P-FET to connect or disconnect the input to the output — press once ...

SKU: AF-2165 | Brand: Adafruit

A popular low-dropout (LDO) 3.3 V linear voltage regulator based on the LD1117 in a TO-220 package. With approximately 1 V dropout and up to 800 mA output current, it cleanly steps down 5–15 V supplies to a regulated ...

SKU: PL-1145 | Brand: Pololu

This battery holder accommodates 4× AAA batteries in series, providing approximately 6V from alkaline cells or 4.8V from NiMH rechargeables. It features wire leads for connecting to your electronics projects. Key Fea...

SKU: DF-FIT0362 | Brand: DFRobot

This battery holder can hold 3 AA batteries which provides 3.6V rechargeable battery pack with NiMH / NiCd cells or 4.5V battery pack with Alkaline cells. You will be able to power your Arduino with this battery hold...

SKU: SF-CAB-13244 | Brand: SparkFun

A short 150 mm (6″) USB 2.0 Type-A to Micro-B cable, ideal for connecting development boards, chargers, and other devices within compact enclosures where a full-length cable isn't needed. Specifications Connector A...

SKU: AF-259 | Brand: Adafruit

This is a Lithium Ion and Lithium Polymer battery charger based on the MCP73833. It uses a USB mini-B for connection to any computer or 'USB wall adapter'. Charging is performed in three stages: first a precondi...

SKU: TB-MP3312 | Brand: Little Bird

This 12W switchmode plug pack features manually selectable voltage output (3V, 5V, 6V, 7.5V, 9V, or 12V DC) at up to 1000 mA, plus a built-in USB-A output socket for charging or powering USB devices. It comes with 7 i...

SKU: SF-PRT-12900 | Brand: SparkFun

This is an incredibly simple two cell 18650 Battery Holder. When someone thinks of 18650 Cells they tend to think of flashlights first, which is fair since that is what they have been primarily used for. However, with...

SKU: AF-736 | Brand: Adafruit

With a slip ring assembly, your electronics can now twist and turn safely. Add wheel encoders, 360 degree sensors, rotating LEDs, rotors and more! We've seen a lot of people DIY slip ring's out of desperation but no l...

SKU: SF-PRT-09518 | Brand: SparkFun

A simple 9V battery clip cable with a 5.5 × 2.1 mm centre-positive barrel jack on the other end. Plug it onto a standard 9V battery and connect directly to any device with an onboard barrel jack — perfect for powering...

SKU: PL-4945 | Brand: Pololu

The Pololu U3V16F12 is a compact switching step-up (boost) voltage regulator that generates a fixed 12V output from input voltages as low as 1.3V (after start-up). It handles continuous input currents up to approximat...