Power Supplies

This cable will let you get rid of all those wall adapters you have stashed in the plastic bin in the basement. Instead of multiple wall warts with...

This small 8~32V to 5V 3A dual USB power step-down converter supports all 5V main controllers. Its two USB ports can output 5V/3A at the same time....

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...

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...

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 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 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...

Solenoids are basically electromagnets: they are made of a big coil of copper wire with an armature (a slug of metal) in the middle. When the coil ...

Power over Ethernet (PoE) splitters can make your project wiring a breeze - and best of all they work to connect any 802.3af-capable router to any ...

The MonkMakes Power for micro:bit opens up lots of ways of powering your micro:bit. This tiny board has a standard DC barrel jack socket at...

So much power and light from such a small package. This 3W per channel, Triple Output High Power RGB LED is sure to shed a lot of light on any proj...

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

Power over Ethernet (PoE) splitters can make your project wiring a breeze - and best of all they work to connect any 802.3af-capable router to a...