Solar Charger is single lithium battery charging management module which can be powered by solar panels, as the main components of the module is CN3083. The device includes an internal power transistor, and the application does not require an external...

These are very slim, extremely light weight batteries based on the new Polymer Lithium Ion chemistry. This is the highest energy density currently in production.  Comes terminated with a standard 2-pin JST-PH connector - 2mm spacing between pins...

This is a DC to DC step up module.    Interface: IN+: Positive of Input terminal IN-: Negative of Input terminal OUT+: Positive of Output terminal OUT-: Negative of Output terminal   Specification: Input voltage range: 2V...

This is a battery holder that holds 3 AA batteries. It comes with an on-off switch and a DC Barrel 5.5x2.1mm plug. 

This is a battery holder that holds 6 AA battery. It comes with an on-off switch and a DC Barrel 5.5x2.1mm plug. 

This is US power cable with the following specifications: 15A/125V SJT/SVT/SJTW/SJTOW/SJOOW 18AWG/16AWG/14AWG/12AWGX3C UL/CUL approval  

This is a DC barrel adapter that converts female 5.2x2.1mm to male 4.0x1.7mm. The maxium current is 3A.    

This is a 5V/2A USB wall adapter with Europe/China plug. The input is AC 100-240V. Note: It doesn't come with a USB cable.

Universal grounded power plug adapter with the  receptacle design that accepts plugs from most countries including the US and Canada.

This is a DC to DC step down converter that can step down 24V to 12V at 90% efficiency. The output power is 36W.  Specifications Input voltage: 24V (20-35V) Output voltage: 12V at 3A (36W) Sealed by epoxy to be weather proof. Size:...

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,...

We designed this 5V and 3.3V regulated DC power supply for rapid prototyping. This board accepts a norminal 9V-12V 2.1mm Barrel connector, and outputs regulated 5V and 3.3V with a combined 200mA.  The 5V and 3.3V output headers are standard 2.54mm...