The Celestron PowerTank is first and foremost a rechargeable portable 12V power supply, primarily for computerized telescopes but also suitable for many other electrical products thanks to the ...

The Portable Variable Power Supply features a DC-output that can be easily changed by the user. As its name implies, this power supply is portable, making it invaluable in various circuit projects.

Both portable power stations and uninterruptible power supplies can give backup power to your most important devices -- but you'll want to make sure you have the right one for the job. There are all ...