All Products

SKU: AF-4711 · MPN: 4711

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 sources. Designed to be pin-compatible with the LM1117-3.3V TO-220 regulator, yo...

SKU: DF-FIT0790

A pack of four coreless micro motors measuring 6 × 10 mm, capable of reaching 55,000 RPM at 3.7V. Slightly larger than the 4 × 12 mm variant, these motors offer a wider shaft (0.8 mm) for improved propeller compatibility, making them well suited for DIY micro drones and small RC aircraft. Key Fe...

SKU: AF-6282 · MPN: ADA6282

This Feather-format development board combines Espressif’s ESP32-S2 Wi-Fi microcontroller with native USB, 4 MB of flash and 2 MB of PSRAM for compact IoT builds. It is well suited to Arduino or CircuitPython projects where you want low-cost 2.4 GHz Wi-Fi and plenty of memory for larger data buff...

SKU: SF-TOL-20680 · MPN: TOL-20680

Keep an eye on your single-cell LiPo battery before your project suddenly runs out of power. This compact fuel gauge board sits in circuit with your battery and reports the relative state of charge using the MAX17043 fuel gauge IC.It combines a charge-estimation algorithm with direct A/D measurem...

SKU: AF-6391 · MPN: ADA6391

This small accessibility tool helps remove LiPoly and LiIon batteries with JST connectors from a board without tugging on the battery wires.The 3D-printed puller slips over the JST PH connector so you can line it up with the socket and gently lift it out. It is handy for anyone who finds tiny bat...

SKU: PR-PIM557

This SHIM provides a convenient way of powering your Raspberry Pi Pico from a LiPo/LiIon battery. You can recharge the battery easily by providing power to the Pico's USB port. Solder this neat little square to the pins on the back of your Pico, plug in a suitable lithium-ion/polymer battery ...

SKU: AF-2465 · MPN: 2465

The PowerBoost 1000C is a DC/DC boost converter with a built-in LiPo battery charger and smart load-sharing circuit. It takes any 3.7V LiIon/LiPoly battery and boosts the output to 5.2V for powering 5V projects like Arduino, Raspberry Pi, or BeagleBone — even while the battery is charging. The l...

SKU: AF-1904 · MPN: 1904

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 battery via the JST connector — two LEDs show status at a glance (red = charging, gr...

SKU: AF-1905 · MPN: 1905

The Adafruit Mini Lipo with Mini-B USB Jack is a compact charger for single-cell 3.7V/4.2V lithium polymer and lithium ion rechargeable batteries. Plug in any Mini USB cable to a USB power source and connect your battery via the JST connector — two LEDs show status at a glance (red = charging, gr...

SKU: SF-PRT-10217

If you need to charge LiPo batteries, this simple charger will do just that, and do it fast! The SparkFun LiPo Charger Basic is stripped down of all features and just does one thing well - charge 3.7V LiPo cells at a rate of 500mA. It is designed to charge single-cell Li-Ion or Li-Polymer ba...

SKU: SF-PRT-10401

A simple single-cell LiPo/Li-Ion battery charger based on the MCP73831T charge controller IC. Connect a battery via the JST connector, plug in a Mini-USB cable for power, and the board handles charging automatically with a status LED to indicate progress. Key Features MCP73831T Charge Controll...

SKU: DF-DFR0264

This Solar lipo charger is designed for single Lithium battery (3.7V) for intelligent charging, with input reverse polarity protection. The maximum charging current is 500 milliamperes and the connection is simple and convenient. Used with the solar battery and lithium battery, you can qu...

SKU: SF-PRT-13777

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 running safely and extensively. The Battery Babysitter features a pair of Texas Inst...

SKU: SF-PRT-14380

The SparkFun Adjustable LiPo Charger is a single-cell lithium polymer (LiPo) and lithium ion battery charger. Because it’s adjustable, this charger will be able to safely charge most of our single-cell batteries with ease. With its onboard charge rate selector, you will be able to set the ma...

SKU: SF-PRT-14411

The SparkFun LiPo Charger/Booster is a compact board that charges a single-cell lithium polymer battery and boosts its output to a regulated 5V at up to 1A. Built around the MCP73831 charge controller and PAM2401 boost converter, it's an economical solution for powering 5V projects from a LiPo ce...

SKU: AF-1304 · MPN: 1304

The Adafruit Micro Lipo is a tiny USB charger for single-cell 3.7V/4.2V lithium polymer and lithium ion rechargeable batteries. Its gold-plated PCB-style USB connector plugs directly into any USB port — connect your battery via the JST plug and charging begins automatically. Two LEDs indicate sta...

SKU: DF-DFR0564

Still using a big, bulky, traditional power adapter to charge your lithium battery? DFRobot provides you with a compact and efficient 7.4V lithium battery USB charger, only the size and weight of an ordinary Gravity sensor. With just a mobile phone AC adapter (or power bank) and an Android dat...

SKU: SF-PRT-15217

The SparkFun LiPo Charger Plus is the souped-up power option in the SparkFun line of single-cell lithium polymer (LiPo) battery chargers. With this iteration, we've changed the input charge connector to USB-C and provided charge rate selection as well as optional thermal protection. Charge, power...

SKU: DF-DFR0668

This is a Type-C  Lipo charger designed for single-cell 3.7V lithium battery. The compact size makes it easy to integrate into your applications. The charger adopts TP4056X lithium battery charging IC, which guarantees you quick and safe charging, and also you can easily switch between 3 out...

SKU: WS-19799

SOLAR POWER MANAGER Compatible with 6V~24V solar panels, embedded 10000mAh Li-po battery Recharged From Solar Panel, Or TYPE-C Power Adapter5V/3A Regulated Output Product Features The Solar Power Manager (B) is compatible with general 6V~24V solar panels. It can recharge the 3.7V re...