Oxford EL102 Dual USB Charger Review — A Simple Way to Add Power on the Go

For a supplementary power outlet like this, do you actually wire it directly from the battery yourself?

For the same kind of USB charger, I'd want to compare it against domestic products too.

Bugs me that the article doesn't give the actual output amperage or other specs.

The simpler the item, the more I actually worry about durability, waterproofing included.

With dual ports you could charge your phone and GPS at the same time, that seems handy.

The EL102, a simple auxiliary power outlet like this can actually end up being the most useful item of all.