Power & Batteries

SKU: SF-TOL-08734 | Brand: SparkFun

Two pin JST connector to a 2.1x 5.5mm barrel jack, 6.25 inch long jumper cable. We use this cable to adapt from a wall power supply to a relatively small, SMD JST connector. We found that many of the SMD connectors...

SKU: SF-PRT-07948 | Brand: SparkFun

A through-hole 12mm coin cell battery holder for PCB mounting. Uses friction to hold the battery securely in place — the metal housing is positive (+) and the PCB pad underneath is negative (−). Commonly used for RTC ...

SKU: SF-PRT-00783 | Brand: SparkFun

Basic 20mm coin cell holder. Posts can be inserted into 0.1" perf board! Holds the common CR2032 type batteries.

SKU: SF-PRT-13855 | Brand: SparkFun

A slim, lightweight 3.7V 2000 mAh lithium-ion battery terminated with a standard 2-pin JST-PH connector (2 mm pin spacing). Built-in protection circuitry guards against overvoltage, overcurrent, and undervoltage condi...

SKU: SF-TOL-13831 | Brand: SparkFun

This is a high-quality switching ‘wall wart’ AC to DC 5.1V 2,500mA USB Micro-B wall power supply manufactured specifically for projects that require a higher level of power. This compact USB AC charger is UL and CS...

SKU: PL-2173 | Brand: Pololu

A male Tamiya-style high-current connector with two pre-crimped 10cm 14-AWG silicone-insulated leads. This keyed connector is commonly used with 7.2V RC battery packs and features a latch to prevent accidental disconn...

SKU: AF-62 | Brand: Adafruit

This here is your standard A-B USB cable, for USB 1.1 or 2.0. Perfect for connecting a PC to your Arduino, USBtinyISP (among other things).3 feet / 1 meter longColor may vary!

SKU: PL-2119 | Brand: Pololu

The Pololu S7V7F5 is a compact buck-boost switching voltage regulator that accepts a wide input range of 2.7 V to 11.8 V and produces a fixed 5 V output with typical efficiency over 90%. It automatically steps up or s...

SKU: TB-SZ2042 | Brand: Little Bird

An inline standard blade fuse holder with an integrated failure indicator lamp that lights up when the fuse blows. This makes it easy to identify a blown fuse, especially in crowded or hard-to-reach wiring locations. ...

SKU: SF-PRT-13189 | Brand: SparkFun

A standard 18650 lithium-ion rechargeable cell with pre-attached solder tabs for easy integration into custom battery packs and projects. With 2,600mAh capacity at 3.7V, it provides reliable power for a wide range of ...

SKU: AF-63 | Brand: Adafruit

A compact 9V DC 1000mA regulated switching power adapter with a 5.5mm/2.1mm centre-positive barrel jack. The switching design keeps it small, lightweight, and efficient, while the regulated output delivers a steady 9V...

SKU: SF-PRT-12895 | Brand: SparkFun

No, these aren’t some sort of weird, AA battery, this is actually a 18650 Lithium Ion Cell. These round high capacity cells have been mainly used in flashlight type applications but with its capability to be used as a...

SKU: PL-799 | Brand: Pololu

Overview The Pololu adjustable boost regulator is a very flexible switching regulator (also called a switched-mode power supply, SMPS, or DC-to-DC converter) that can generate voltages higher than its input volta...

SKU: SF-DEV-10116 | Brand: SparkFun

The Arduino Fio (Funnel I/O) is a compact, wireless-friendly development board based on the ATmega328P. Designed by Shigeru Kobayashi and inspired by the LilyPad, the Fio includes a built-in lithium polymer battery co...

SKU: AF-5704 | Brand: Adafruit

The Witty Pi 4 is a Raspberry Pi HAT that adds a precision real-time clock, power management, and scheduling capabilities. Define ON/OFF sequences to significantly reduce energy usage in battery-powered systems, or us...

SKU: AF-6278 | Brand: Adafruit

Some days we're feeling extra fancy here at the 'fruit warehouse, and we have a big soft spot for colorful cables that make our projects look like Transformers. Like, peep this fully reversible pink/purple Blinka-insp...

SKU: AF-6269 | Brand: Adafruit

This USB Type C Sync Data Cable with On/Off Switch cable is great when you don't want to plug-and-unplug a device to turn it on and off. It's a true USB C to C cable, with power, data and power delivery (USB C PD) lin...

SKU: DF-FIT0965 | Brand: DFRobot

##Introduction Official micro:bit-branded USB cables allow you to power and transfer data to your micro:bit development board. ##Features High quality construction with PVC cable sleeve and embossed logos.USB 2.0 dat...

SKU: AF-6124 | Brand: Adafruit

This custom-designed 3D-printed enclosure is made specifically for the Adafruit bq25185 USB/DC/Solar Charger with 3.3V Buck board. The snap-together design requires no screws or glue — simply press the two halves toge...

SKU: PH-105560 | Brand: PiHut

A USB-C to Micro-USB cable for connecting Micro-USB development boards and devices to modern USB-C laptops and chargers. Ideal for programming boards like the Raspberry Pi Pico, Teensy 4.1, Circuit Playground Express,...