Re: [gpm] Error in g-p-m FAQ on

On Wed, Dec 13, 2006 at 03:24:19PM +0100, Jens Benecke wrote:

> I would like to know where I can buy laptop batteries with 50 Wh.
> I know that car batteries have about this much capacity, but all laptop 
> batteries I know have about 3-5Wh (3000-5000mWh), not 50'000!

Well, I'm holding an IBM 92P1002 battery from a Thinkpad X40. It's 
specced at 4.3Ah at 14.4V, so I make that over 61 Wh. Car batteries tend 
to be in the 50+Ah region, or about 600Wh. You seem to have lost an 
order of magnitude somewhere.

Matthew Garrett | mjg59 srcf ucam org

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