Sparkfun

Battery Holder - 2x18650 (wire leads) This is an incredibly simple two-cell 18650 Battery Holder. When someone thinks of 18650 Cells they tend to think of flashlights first, which is fair since that...

Battery Clip Holder - 18650, PCB Mounted, PTH (16 - 19mm) This is a PCB mount clip to hold a 18650 Lithium Ion Cell battery. Each battery holder is sold in single units, so you’ll need two for...

LiPower - Boost Converter - Sparkfun PRT-10255 The LiPower board is based on the incredibly versatile TPS61200 boost converter. The board is configured to be used with a LiPo battery, has solder...

Wake on Shake - SparkFun SEN-11447 - Discontinued Have you ever wanted your project to just “hibernate” until someone picks it up or moves it? It’s a great strategy for dramatically...

3.3V Voltage Step-Up NCP1402 Breakout - SparkFun PRT-10967 Discontinued The NCP1402 is a 3.3V DC-DC converter. The breakout board will accept voltage inputs between 1 and 3 Volts (such as 1 or 2 AA...

LiPo Fuel Gauge SparkFun TOL-10617 - Discontinued LiPo batteries are a great way to power your projects. They’re small, lightweight, and pack a pretty good punch for their size. Unfortunately,...

SparkFun PRT-10217 LiPo Charger Basic - Micro-USB If you need to charge LiPo batteries, this simple charger will do just that, and do it fast! The LiPo Charger Basic is stripped down of all features...

LiPo Charger Basic - Mini-USB (SparkFun PRT-10401) If you need to charge LiPo batteries, this simple charger will do just that. It is designed to charge single-cell Li-Ion or Li-Polymer batteries...

USB LiPoly Charger - Single Cell - SparkFun PRT-12711 If you need to charge LiPo batteries, this simple charger will do just that, and do it fast! The SparkFun USB LiPo Charger is a basic charging...

Coin Cell Battery - 20mm, CR2032 This CR2032 Lithium ion 3V 240mAh cell battery is great for powering low-power processors for weeks at a time and it fits nicely into our 20mm coin cell holder...

Coin Cell Holder - 20mm Basic 20mm coin cell holder. Posts can be inserted into 0.1" perf board! Holds the common CR2032 type batteries. 20mm Coin Cell Holder Documents: Datasheet

Coin Cell Holder - 12mm This is a through-hole 12mm coin cell battery holder. It’s the unit we like to use as RTC backup and SRAM backup for GPS units. Holds battery in place with friction. The...