Power & Batteries

SKU: AF-373 | Brand: Adafruit

This power jack is designed to fit 2.1mm power plugs snugly and securely. Perfect for adding a power connector to your project. We went for the more expensive "thin pin" type which snap into breadboards or perfboar...

SKU: AF-1304 | Brand: Adafruit

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 b...

SKU: AF-1317 | Brand: Adafruit

Lithium ion polymer (also known as 'lipo' or 'lipoly') batteries are thin, light and powerful. The output ranges from 4.2V when completely charged to 3.7V. This battery has a capacity of 150mAh for a total of about...

SKU: SF-PRT-12899 | Brand: SparkFun

A single-cell 18650 battery holder with wire leads for easy integration into projects. Drop in an 18650 lithium-ion cell and connect the bare wire leads to your circuit — no soldering to the battery required. Two 6" ...

SKU: SF-PRT-09547 | Brand: SparkFun

A 2×AA battery holder with a sliding cover secured by a Phillips head screw and a built-in ON/OFF switch for convenient power control. The 150mm tinned leads make it easy to solder into your projects. Key Features ...

SKU: LB-P4775 | Brand: Little Bird

Type-C USB Power Meter Tester – Color Display, PD 3.1, QC 3.0, Fast Charge Protocols Need to know exactly what's going on between your USB-C power source and your device? The Type-C USB Power Meter Tester has you cov...

SKU: DF-DFR0564 | Brand: DFRobot

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 Gravit...

SKU: SF-BOB-12009 | Brand: SparkFun

The SparkFun Bi-Directional Logic Level Converter safely translates signals between different voltage levels — stepping 5V down to 3.3V and 3.3V up to 5V on the same channel. It also works with 2.8V and 1.8V devices, ...

SKU: DF-DFR0753 | Brand: DFRobot

This high-power DC-DC buck converter steps a 6V to 14V input down to a steady 5V output, with up to 8A available for demanding 5V projects.Its compact body, strong heat dissipation and high conversion ratio make it a ...

SKU: AF-4410 | Brand: Adafruit

The Adafruit Micro-Lipo Charger is a tiny, easy-to-use charger for single-cell 3.7V/4.2V lithium polymer and lithium ion rechargeable batteries. Simply plug a USB-C cable into any USB power source and connect your bat...

SKU: AF-4237 | Brand: Adafruit

A compact 3.7 V 350 mAh lithium-ion polymer (LiPo) battery with a short cable and genuine 2-pin JST-PH connector. The slim, lightweight form factor makes it ideal for wearables, IoT devices, and portable electronics p...

SKU: DF-FIT0080 | Brand: DFRobot

A 4-cell AA battery holder in a square (2×2) configuration with a sliding removable cover and a built-in ON/OFF switch. Features 5-inch tinned leads for easy soldering. The cover keeps batteries secure, and the switch...

SKU: LB-LS5508 | Brand: Little Bird

A 2×AA battery holder with a protective cover, built-in on/off switch, and large alligator clip leads. The alligator clips make it easy to connect to circuits, components, and conductive materials without soldering — ...

SKU: DF-DFR0831 | Brand: DFRobot

INTRODUCTIONThis is a 20W DC-DC buck converter power module with 7~24V input and 5V/4A output(Max). The high conversion efficiency and on-board 6 output ports make it suitable for connecting multiple devices like, lar...

SKU: SF-PRT-15101 | Brand: SparkFun

This two-cell AAA battery holder is made for powering BBC micro:bit projects without needing to stay tethered to USB.The attached 6" (~150mm) lead is terminated with a JST-PH connector that mates with the JST socket o...

SKU: SF-COM-00107 | Brand: SparkFun

This is the basic L7805 voltage regulator, a three-terminal positive regulator with a 5V fixed output voltage. This fixed regulator provides a local regulation, internal current limiting, thermal shut-down control,...

SKU: TB-SB2300 | Brand: Little Bird

A 14500-size rechargeable lithium-ion battery with 800mAh capacity and 3.7V nominal voltage. The 14500 form factor is the same size as a standard AA battery, making it a common choice for LED torches and other compact...

SKU: DF-DFR0668 | Brand: DFRobot

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 guar...

SKU: DF-FIT0110 | Brand: DFRobot

This adapter allows you to connect a barrel jack connector to bare wires. One end has screw terminals and the other has a 5.5x2.1mm, center-positive male barrel jack. If you need to connect bare wires to a barrel ...

SKU: AF-2750 | Brand: Adafruit

Lithium ion polymer (also known as 'lipo' or 'lipoly') batteries are thin, light and powerful. The output ranges from 4.2V when completely charged to 3.7V. This battery has a capacity of 350mAh for a total of about...