Power / Batteries

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$2.50  
4 pc(s)
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-positive female barrel jack. If you have a power supply with a barrel jack and want to plug it into a breadboard, this might be the simple solution.

$0.80  
6 pc(s)
This 9V battery holder allows your battery to snap in tight and holds it in place, which is great in situations where you don't want the battery just hanging. It also has three mounting holes so you can attach it securely to your enclosure. It is terminated with a 150mm leads

$0.90 $1.80  
75 pc(s)
This 9V Snap to 2.1mm Barrel Jack Adapter provides the ability to conveniently use a 9V battery to power many common boards and modules such as the popular Arduino and compatible microcontrollers. This plug is a common barrel type with an outside diameter of 5.5mm and an inside diameter of...

$0.50  
94 pc(s)
Classis 9V snap connectors with color-coded wire leads. Great for replacements or projects. Length: ~ 15cm

$16.70  
9 pc(s)
**This battery is not available to ship outside Singapore** This is a very small, extremely lightweight battery based on Lithium Ion chemistry, with the highest energy density currently in production. Each cell outputs a nominal 3.7V at 400mAh! Comes terminated with a standard 2-pin...

$2.95  
2 pc(s)
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 port on a computer, laptop, or on our cigarette power supply to provide our development boards with 5V. The USB specification limits current...

$2.50  
3 pc(s)
Enclosed battery holder for four AA cells. This holder features a lid that slides over the batteries and snaps into place to fully enclose the battery. It also features a switch that lets you open and close the electrical connection between the batteries and the holder's leads. The leads are...
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