Power & Batteries

SKU: SF-PRT-11855 | Brand: SparkFun

A high-discharge 2-cell lithium-ion battery pack delivering 7.4 V and 1000 mAh of capacity. With a 25C continuous discharge rate, this battery is well suited to R/C vehicles, robotics, and portable electronics that ne...

SKU: SF-PRT-13856 | Brand: SparkFun

If you need some juice, this 6Ah Lithium Ion Battery is for you. These are very compact batteries based on Lithium Ion chemistry. This is the highest energy density currently in production. Each cell outputs a nominal...

SKU: SF-PRT-13854 | Brand: SparkFun

These are very slim, extremely light weight batteries based on Lithium Ion chemistry. Each cell outputs a nominal 3.7V at 850mAh! Comes terminated with a standard 2-pin JST-PH connector - 2mm spacing between pins. The...

SKU: SF-PRT-13851 | Brand: SparkFun

This is a very small, extremely lightweight battery based on Lithium Ion chemistry, with the highest energy density currently in production. Each cell outputs a nominal 3.7V at 400mAh! Comes terminated with a standard...

SKU: SF-PRT-13852 | Brand: SparkFun

This is an extremely tiny and light weight battery based on the new Polymer Lithium Ion chemistry. This is the highest energy density currently in production. Each cells outputs a nominal 3.7V at 40mAh. This may sound...

SKU: DF-FIT0337 | Brand: DFRobot

This small capsule is a 4.5V button cell battery holder for mini power solutions.Its minimalism design in clean white cylinder body and matte surface makes it an elegant power capsule in your projects. It also includ...

SKU: SF-PRT-00338 | Brand: SparkFun

CR2032 Lithium metal 3V 250mAh button cell battery. Great for powering low power processors or blink an LED for weeks at a time. Note: This item is non-returnable. If this item arrives damaged or is not functioning pr...

SKU: SF-PRT-00337 | Brand: SparkFun

CR1225 lithium metal 3V 12mm 47mAh coin cell batteries. Perfect small battery for miniature sensor node applications. These batteries are sold in single units.

SKU: SF-PRT-00114 | Brand: SparkFun

A through-hole soldering kit that builds into a compact breadboard power supply. It accepts a DC barrel jack input and outputs a selectable 5 V or 3.3 V regulated supply via 0.1" (2.54 mm) header pins that plug direct...

SKU: SF-TOL-11456 | Brand: SparkFun

USB is being implemented as a power connection standard more and more these days, but you don’t always have a computer on hand so how are you going to power all of your sweet USB devices? How about a high quality swit...

SKU: SF-PRT-11305 | Brand: SparkFun

A standard LR44 alkaline button cell battery (1.5 V) commonly used in digital calipers, calculators, small electronics, laser pointers, and LED throwies. Keep a spare on hand so you're never caught without power. Spe...

SKU: AF-564 | Brand: Adafruit

A small, portable inverter for EL wire. Powers off of 4 AAA batteries (not included!), it can drive 3-4 meters (10 to 13 feet) of our high-brightness EL wire OR 1 meter (3 feet) of EL tape OR a 10cmx10cm piece of E...

SKU: SF-PRT-12748 | Brand: SparkFun

A standard SMD (surface-mount) DC barrel power jack for use with common DC wall adapters. This is the same connector size used on most Arduino boards and many other development platforms. Key Features Surface-Mount...

SKU: AF-654 | Brand: Adafruit

A standard CR2032 lithium coin cell battery providing 3V nominal output. This non-rechargeable cell is widely used in electronics projects, wearables, and sewable circuits. Specifications Type – CR2032 lithium coin...

SKU: SF-BOB-09946 | Brand: SparkFun

This breakout board uses the LTC3588 Piezoelectric Energy Harvester from Linear Technologies. This board can be used not only for harvesting piezoelectric energy, but solar energy as well. There is a bridge rectified ...

SKU: AF-783 | Brand: Adafruit

A compact coin cell battery holder designed for small portable and wearable electronics projects. It holds two 20mm coin cells (CR2032 is the most common size) wired in series to provide 6V nominal output, with an on/...

SKU: AF-3520 | Brand: Adafruit

A 3-pack of standard alkaline AAA batteries for powering portable electronics, kits, and projects. These use alkaline (MnO2) chemistry with a voltage range of 1.6V (fresh) to 0.8V (depleted) and a capacity of approxim...

SKU: SF-TOL-20680 | Brand: SparkFun

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 ...

SKU: SF-PRT-26784 | Brand: SparkFun

This compact Qwiic board lets you switch power to downstream Qwiic devices so high-current modules can be turned off when they are not needed. That can help conserve energy in battery-powered builds using GNSS and oth...

SKU: DF-FIT0964 | Brand: DFRobot

This official micro:bit-branded USB cable is a short, reliable lead for powering and programming BBC micro:bit development boards. It connects a standard USB-A port on a computer or hub to the Micro USB socket on comp...