[Liverpool] External universal laptop battery

[Andrew Bates]

my guess for the weight would be the required electronics to convert the
battery's voltage to upwards of 19 volts?

On 11 February 2011 13:56, Sebastian <shop at open-t.co.uk> wrote:

> Anybody here has any experience with these universal batteries (or
> similar):
>
>
> http://cgi.ebay.co.uk/Universal-External-Battery-most-laptop-/130481566861?pt=UK_AudioTVElectronics_Video_DVDPlayers_Recorders&hash=item1e614eb48d
>
> At 75Wh - two of them should give me 10 hours of work on my laptop (and a
> hernia from carrying them :-) ). If anybody has one of these - I'd be
> interested to hear how they fared.
>
> Also - I don't understand why does it have to weight 1.5Kgs. My laptop
> battery is 57Wh - and the whole laptop barely weighs 1.5Kgs.
>
> Thank you,
>
> Sebastian
>
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