Pocket Power – Emergency Cellphone Power From 1 AA Battery

"Finish critical calls — get hours of back–up power from a single AA!"

So reads the website for this little device, which lets you use an ordinary alkaline, lithium, or rechargeable AA battery to power your cellphone.

It's a lightweight aluminum housing into which you place your battery; the provided short length of cable uses one of an assortment of included adapters to connect to virtually any cellphone.

Comes in black, red, blue and silver.

$24.95 here (battery not included).

But wait: stop press.

How about finding out a lot more about this product from the company that makes it?

And then making sure they have the connector you want?

And then buying one for $19.99 here?