Power Supplies

This adapter allows you to connect a barrel jack connector to bare wires. One end has screw terminals and the other has a 5.5x2.1mm, center-positiv...

This is a 20W adjustable DC-DC buck converter module with digital display. It is based on LM2596 3A step-down voltage regulator and supports an...

This 2xAA battery holder puts a nice finishing touch on your battery powered project. This holder features a removable, sliding cover, which is sec...

The UPS HAT (D) is a powerful uninterruptible power supply designed for Raspberry Pi, offering seamless charging and power output with dynamic path...

Mini Uninterruptible Power Supply module, Supports charging And Power output at the same time, 5V 2.5A Output Mini Uninterruptible...

Oh so handy, this little lipo charger is so small and easy to use you can keep it on your desk or mount it easily into any project! Simply plug it ...

This temperature controller runs on 12V, and is equiped with a 10 amp relay. The unit also features a 3 digit display used for setting and display...

With this USB breakout you will finally be able to incorporate a USB-C connector into your projects without needing to solder each tiny SMD pad....

This battery holder can hold 6 AA battery which can make 7.2 V rechargeable battery pack from NiMH / NiCd cells or 9V battery pack from alkaline c...

It’s blue! It’s thin! It’s the Arduino Pro Mini! SparkFun’s minimal design approach to Arduino. This is a 5V Arduino running the 16MHz bootloade...

Solenoids are a great way to induce linear motion for pushing, pulling or controlling switches and levers. This smaller solenoid is designed to wor...

This is a 9V battery pack with on/off switch and a pre-attached 5.5mm/2.1mm center-positive barrel plug. Use this to battery-power your Arduino ...

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 battery holder is used to hold 3 zinc-manganese batteries (non-rechargeable) or 3 NiMH / NiCd batteries, which can change into a 4.5V battery ...

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...

This is a pretty neat way to glow up. Light in the fiber optic cable zooms through the core by constantly bouncing off of the edge of the molded...

DFRobot is launching a brand new series - Sunflower, focusing on high-efficiency, small power solar energy management for IoT projects and renewabl...

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...

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...

Electrolytic decoupling capacitors 100uF/25V. These capacitors are great transient/surge suppressors. Attach one between the power and ground of yo...

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...