Power & Batteries

SKU: LB-1601026 | Brand: Little Bird

This USB splitter cable expands a single USB 2.0 Type-A port into two, allowing you to connect multiple devices simultaneously for both charging and data transfer. It's a compact solution for adding extra USB connecti...

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: 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: 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-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: DF-FIT0362 | Brand: DFRobot

This battery holder takes three AA cells and provides a simple way to power compatible Arduino-style boards via a Micro USB connection.Use it with NiMH or NiCd rechargeable cells for a 3.6V battery pack, or with alkal...

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: 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: LB-12V3A | Brand: Little Bird

A regulated 12V 3A (36W) switching power supply that comes with multiple interchangeable DC plug adapters for compatibility with a wide range of 12V devices. Suitable for powering routers, LED strips, single-board com...

SKU: AF-6323 | Brand: Adafruit

The Adafruit USB Type C CC Resistor Fixer solves a common problem: USB-C devices that won't power or communicate when plugged into another USB-C port. Many devices are missing the two 5.1K CC (Configuration Channel) r...

SKU: DF-FIT0918 | Brand: DFRobot

A compact 4×AA battery holder with a built-in on/off power switch, DC2.1 barrel jack output, and a protective cover. Ideal for powering Arduino, Raspberry Pi, and other microcontroller projects with a portable 6V supp...

SKU: LB-LS4548 | Brand: Little Bird

A standard A to micro-B USB cable, for USB 1.1 or 2.0, but with a twist! Literally! Instead of the cable coming straight out from the connector, there's a right angle bend. We thought this might make a good pair for a...

SKU: DF-DFR0913 | Brand: DFRobot

This DFRobot 4-channel optocoupler-isolated level converter translates 12V signals down to 3.3V, making it easy to interface industrial sensors and PLC outputs with Arduino, Raspberry Pi, and other 3.3V microcontrolle...

SKU: DF-SEN0291 | Brand: DFRobot

Gravity: I2C Digital Wattmeter is a high-resolution, high-precision, large-scale measurement module that can measure the voltage, current and power of various electronic modules and electrical equipment within 26V 8A,...

SKU: SF-CAB-15424 | 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 the...

SKU: DF-DFR0568 | Brand: DFRobot

This compact DC-DC buck-boost converter automatically steps voltage up or down to deliver a stable 3.3 V output from a wide 2.5–15 V input range. With a maximum output current of 600 mA and ultra-low 180 µA quiescent ...

SKU: AF-1349 | Brand: Adafruit

A really tiny portable inverter for EL wire. Powers off of a single AAA battery (not included!), it can drive up to 50cm / 20 inches of our high-brightness EL wire or 10cm x 1cm long piece of EL tape for 3 hours (o...

SKU: SF-PRT-13777 | Brand: SparkFun

The SparkFun Battery Babysitter is an all-in-one single-cell Lithium Polymer (LiPo) battery manager. It’s half battery charger, half battery monitor, and all you’ll ever need to keep your battery-powered project runni...