ILuv has two new in-car USB chargers for people who don't want to have to remember to charge their devices before getting in the ... DC 5V, 500mA output and measures 0.9 x 0.9 x 1.7 inches (W x H ...

The Window solar charger outputs 5V/500mA via the included mini-USB cable, and has over-charge and over-heating protection built in. There's an LED charge indicator on the bottom edge which lights ...

An old charger (5V output and rated for at least 500mA/0.5A) USB socket. Hot glue. Heat shrink. The process isn't too hard.

USB-C ports can be configured with 5V 1.5A and 3A for up to 15W of power, which is a bit quicker but still rather slow compared to other fast-charging standards. USB Promoters Group ...

In the beginning, USB could deliver up to 500mA of power at 5V, which worked out well enough for early phones. But as chipsets became faster and screens grew bigger, batteries ballooned in size ...

V3 promises up to a 400% improvement in battery recharging speed over a standard 5V, 500mA USB charger. It is up to 75% faster than V2.0 charging – with greater energy efficiency.

At Mobile World Congress this week, NXP Semiconductors is demonstrating a revolutionary new Qi wireless charging transmitter device, which integrates all the circuits for a 5V mobile phone charger ...