Power & Batteries

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: SF-PRT-12885 | Brand: SparkFun

This is the Sunny Buddy, a maximum power point tracking (MPPT) solar charger for single-cell LiPo batteries. This MPPT solar charger provide you with the ability to get the most possible power out of your solar panel ...

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: LB-PRT-12618 | Brand: Little Bird

An enclosed coin cell battery holder for two CR2032 batteries wired in series, delivering up to 6 V output. The holder features a built-in on/off slide switch and two 150 mm (6″) power leads (positive and negative). A...

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-276 | Brand: Adafruit

This FCC/CE certified and UL-listed switching power supply delivers a clean, regulated 5V DC output at up to 2A (2,000mA) via a standard 5.5×2.1mm DC barrel jack. It accepts 110–240V AC input and is suitable for power...

SKU: AF-2030 | Brand: Adafruit

PowerBoost is the perfect power supply for your power-hungry portable project! This little DC/DC boost converter module can run from 1.8V batteries or higher, and convert that voltage to 5.2V DC for running your 5V...

SKU: AF-1994 | Brand: Adafruit

This 5V 2A USB power supply provides clean, regulated power for single-board computers like the Raspberry Pi and BeagleBone, or any other USB-powered device with high current demands. It outputs via a USB Type-A port,...

SKU: AF-904 | Brand: Adafruit

This breakout board will solve all your power-monitoring problems. Instead of struggling with two multimeters, you can just use the handy INA219B chip on this breakout to both measure both the high side voltage and DC...