A power adapter must be safe to use and isolate the user from lethal AC mains voltage. Adapters or external power supplies must also not damage the environment with unnecessary power draw in use and ...

What are the spec needs for for a USB power-sourcing programmable power supply (PPS)? What comprises a high-efficiency USB-C buck converter solution. The key factors behind a USB-C buck-boost ...

PowerBen has created a massive 40,200mAh battery with 200-watt USB-C Power Delivery, one that is utilitarian in its appearance and design but extremely handy when it's needed. PowerBen claims to be ...

USB ports have quietly turned into the default power outlet for phones, laptops, headphones, and even monitors, but the wattage behind that familiar rectangle is far from uniform. Depending on the ...

Update 12/05/18: Apple now sells an 18W USB-C power adapter for $26Remove non-product link. To use it with your iPhone, you still need to purchase a USB-C to Lightning cable. We haven’t tested it yet, ...

The Universal Serial Bus (USB) is a widely compatible connection standard for modern gadgets, including laptops and computers, as well as mobile devices, printers, and various peripherals. But one ...

Apple in June released a new dual-output USB-C charger, allowing users to charge up two devices simultaneously. However, there are less expensive — and better — alternatives out there. The new 35W ...

Whether or not you accept Apple’s explanation for why it no longer includes a charger in the box with the iPhone 12 series, the fact remains: The only accessory that now comes with the newest phones ...