Power Supplies

DFRobot UPS HAT is an uninterruptable power supply shield designed for the Raspberry Pi Zero series, and also compatible with Pi 2/3/A+. The UPS HA...

A nice portable power pack can help you a lot when you build up you projects. Come and make one with this 3×AAA battery holder. This is a 3xAAA Bat...

This cable is a little over 100mm / 4" long and fitted with JST-PH 3-pin connectors on either end. We dig the solid and compact nature of these con...

Here's a hand-held-size rechargeable battery pack for your Raspberry Pi (or Metro, or anything else that uses 5V!). This pack is intended for pr...

Still using a big, bulky, traditional power adapter to charge your lithium battery? DFRobot provides you with a compact and efficient 7.4V lithi...

Simple 4 Cell AA Battery holder with 5" tinned leads, square configuration. SPECIFICATIONS Battery Quantity: 4 Battery typ...

Buy in Bulk and Save.* Contains 40 mercury & cadmium free AAA Alkaline batteries.* Great to use on every day household appliances such as remo...

The holders are moulded in Delryn with corrosive resistant nickel plated springs and studs. - We can supply OEM quantities of holders...

Push once to turn on, push again to turn off! This clicky switch makes a great power switch or mode toggler. We like this switch because it's bread...

Ah the venerable 7805, who amongst us has not used this popular linear regulator? This big chunky regulator will help you get your 7-35V battery...

Trinket may be small, but do not be fooled by its size! It's a tiny microcontroller board, built around the Atmel ATtiny85, a little chip with a lo...

This 20W adjustable DC-DC boost converter with a digital display is based on the professional boost chip and supports 3~32V power input, 5~35V o...

This is a coin cell holder for the common CR2032 type battery. The holder has a neat pop-in, pop-out feature that makes changing the battery easy....

Lithium ion polymer (also known as 'lipo' or 'lipoly') batteries are thin, light and powerful. The output ranges from 4.2V when completely charg...

This is a simple cable that adapts from a USB port to a 5.5x2.1mm barrel connector, center positive. This cable allows the user to use a USB por...

This 4xAA battery holder puts a nice finishing touch on your battery powered project. This holder features a removable, sliding cover, which is sec...

This barrel jack plug is great for adding a common connector to the end of our wires. This jack is compatible with 5.5mm barrel jacks that have a 2...

This kit is for making your own breadboard-friendly very low dropout adjustable power supply. A good power supply is essential to electronic pro...

This vacuum pump really sucks! This pump operates at 12V and has enough suction for most small projects. We even used one to make our very own u...

Make a portable power brick with plenty of juice! Use Alkaline AA's for a 12V 3000-4000mAh power supply, or rechargeable NiMH for 2000mAh 9.6V s...

 INTRODUCTIONSimple 4 Cell AA Battery holder with 5" tinned leads, square configuration. This holder features a sliding, removable cover as well as...

The SparkFun 5V BabyBuck Regulator Breakout features the AP63357 from Diodes Inc., a 3.5A synchronous buck converter with a wide input voltage rang...

This battery holder can hold four AA batteries and comes with a DC 2.1 jack that offers a simpler and more secure wire connection. It is RoHS compl...

This is a DC charging and discharging integrated module, with 5V normally open output, which is not affected by load access and has a maximum load ...