The last thing anyone wants is to walk out to their car and find a dead battery. Sure, you can get a jump start, but that won’t bring the battery back to full strength. Taking it to a shop can leave ...

Abstract: The main theme of this paper is to present a new digital-controlled technique for battery charger to achieve constant current and voltage control while not requiring current feedback. The ...

Lithium-ion batteries’ ability to deliver a lot of power from a small package have made them the go-to for makers and manufacturers alike. It’s not unusual now to find, say, microcontroller boards ...

Maybe you’ve got a car that stays parked all winter or a few toys you only use during the summer. Either way, a good battery maintainer is the best way to keep your batteries charged and ready to go ...

Abstract: This article presents the design of an electric vehicle (EV) battery charger isolation stage for minimizing switching frequency variation with the proposed duplex control. Traditionally, the ...

If you’re travelling across the country or just heading to your local coffee shop to get some work done, a good power bank can come in handy. Perform a search for the term and you’ll be hit with an ...

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"A practical and easy-to-use reference covering all aspects of surgery, The Washington Manual of Surgery now offers a fully revised and readable text, discussions of alternative therapies, a new ...

As an independent nonprofit, the Internet Archive is fighting for universal access to quality information. We build and maintain all our own systems, but we don’t charge for access, sell user ...

Almost a decade after releasing its first ePaper tablet, reMarkable is adding a pocket-friendly edition "designed for work that happens anytime, anywhere, and with anyone." The Paper Pro Move sports a ...