The humble yet ever-present AC/DC wall-power adapter doesn’t get a lot of consideration from consumers. It’s one of those things that’s needed but is viewed as a necessary nuisance. I suspect that ...

Meeting the Energy Star Level IV efficiency standard, the DCH3 series wall-mount ac/dc power adapters rely on mini-USB connectors for output delivery. They accept a universal 100 to 254 Vac input and ...

I recently bought a replacement laptop PC from Dell and was happy to see that its AC/DC power adapter had the same ratings as the ones I had from two now-defunct Dell laptops (19.5 V, 2.3 A/45 W).

Members can download this article in PDF format. The impetus to reduce power demands of just about every device out there is the mantra of today’s power ecosystem. Manufacturers are under tremendous ...

Trade two external power supplies for one. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Lugging around an ultra high-end laptop that's ...