Power Management

SKU: AF-6106 | Brand: Adafruit

The Adafruit bq25185 with 5V Boost is an all-in-one charging and power supply board that supports USB, DC, and solar charging with an integrated 5V boost converter. It is designed for projects that need a stable 5V su...

SKU: LB-LS5548 | Brand: Little Bird

Introducing our Compact DC-DC Voltage Converter Module, a powerful and efficient solution for boosting your power supply needs. This tiny powerhouse is designed to elevate a low 1-5V input to a stable 5V output, perfe...

SKU: DF-DFR0969 | Brand: DFRobot

A dual-slot 18650 battery holder with built-in charging and regulated power outputs, perfect for powering microcontrollers, sensors, and portable electronics projects. Simply install two 18650 lithium batteries and us...

SKU: DF-FIT0610 | Brand: DFRobot

This enclosed battery holder takes 3× AA batteries in series, providing approximately 4.5V from alkaline cells or 3.6V from NiMH/NiCd rechargeables. It features a built-in on/off switch and a sliding, removable cover ...

SKU: AF-4193 | Brand: Adafruit

A slim 2×AA battery holder with a built-in on/off switch and genuine JST PH connector. Two AA batteries in series provide approximately 3V — ideal for powering low-voltage electronics projects, microcontrollers, and p...

SKU: DF-DFR1202 | Brand: DFRobot

A high-efficiency DC-DC step-down (buck) converter that accepts 6–24 V input and delivers a stable 5 V output at up to 16 A. With over 90% conversion efficiency at typical loads and output ripple below 20 mV, it provi...

SKU: AF-6091 | Brand: Adafruit

The Adafruit bq25185 Charger is a versatile LiPo/LiIon/LiFePO4 charging board that supports USB, DC, and solar power input. It is an excellent upgrade from MCP73833 or MCP73831-based chargers, offering multi-chemistry...

SKU: DF-KIT0197 | Brand: DFRobot

Harnessing the abundant sources of energy in the natural environment, such as mechanical, thermal, solar, and radio frequency energy, can provide a continuous flow of power to devices. The DFM8001 Ambient Energy Harve...

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: 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: 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: 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-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: SF-PRT-10891 | Brand: SparkFun

This 3xAA battery holder puts a nice finishing touch on your battery powered project. This holder features a removable, sliding cover, which is secured with a small phillips head screw. Another bonus is the ON/OFF swi...