Is there a AA power pack that I can use as a USB charger

[stockae92]

Basically, I am looking for a power package uses AA (eneloop) batteries, and the pack outputs to a USB plug, so that I can charge USB devices with it.

Such device exists?

[lilmarvin4064]

If you know how to DIY, then something like this would probably be the cheapest solution.

http://www.ebay.com/itm/DC-DC-3V-5V-...item335fab8910

I made a USB charger with a board just like this.

[Vortus]

Mintyboost

[reppans]

There are couple of choices I, and Outdoorsman5, mention HERE

[Shadowww]

Mintyboost

+1 to this dude.
I have a MintyBoost for over a year and it never let me down.

[Dr Jekell]

There is the Goal Zero Line of products:

Guide 10 Plus Battery Pack

Or the

Sherpa 50 Power Pack

[JHall158]

I too second the mintyboost.
Here is the Link.
http://www.ladyada.net/make/mintyboost/

[ericjohn]

Energizer made one, they still might make it. I bought mine almost 5 years ago and it suited its purpose.

[tickled]

Basically, I am looking for a power package uses AA (eneloop) batteries, and the pack outputs to a USB plug, so that I can charge USB devices with it. Such device exists?

Sanyo actually markets such a device under the Eneloop brand. Model KBC-E1S and it comes with 2xAA Eneloops. I believe this one is discontinued and in its place two lithium ion based power packs.

[sandalian]

I have this emergency charger for few months, so far so good.
I bought from http://dx.com/p/usb-2-0-emergency-ch...110057?item=42

Using 2xAA eneloops, it gives me about 30-40 minutes.