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From: Mark on 8 Apr 2010 14:46
On Fri, 2 Apr 2010 12:33:33 +0100, Mark wrote
(in article <0001HW.C7DB949D00A13FD5B01AD9AF(a)eu.Usenet-News.net>):

> I bought a TeckNet 1900mAH external battery for my iPhone 3G. Amazon link
> <http://bit.ly/c2mnn0> �12 (+�2.75 p&p)
>
> Works as advertised. I get 1 or 1.25 charges out of it. In a very
> unscientific test (from 0% charge in iPhone), it charges the iPhone to 50% in

> about 40 minutes, 75% in 1 hour 20 minutes, and 96% in 2 hours 15 minutes.
> There's probably a reason charging slows down later on, although I don't know

> why that is. I don't know if there'd be any benefit in charging to only 50%
> or 75% and then using the phone till it drains again.
>
> Some reviewers seem to get 2 full charges out of it. They might - I have had
> slightly differing results. It's almost exactly half the size of the iPhone,
> although a couple of millimetres thicker. It weighs slightly less than half
> an iPhone. Apparently it discharges quicker if you use it attached. The
> battery charges from mains/Mac in about half an hour or so.
>
> Regardless, a useful (and cheapish) gizmo for a day out
> photographing/GPSing/streaming radio etc.
>
> Cheers ... Mark
>

Hmmm... Just saw today my local "Ali's Cave" type shop had them (well, looked
almost exactly the same) for �9.99. No specs on the blister pack & unsure if
any inside.

Cheers ... Mark

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