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 ...

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.

Adafruit PowerBoost 1000 Charger Offers Rechargeable 5V Lipo USB Boost. 11:23 am April 22, 2015 By Julian Horsey. ... “Like our popular 5V 1A USB wall adapter, ...