Charger for spare battery

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I would like to have a spare battery and a charger for my SL-C860. I haven´t been able to find a charger, though. Does anyone here know if a charger for the 1750 mAh batteries exists?

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Does anyone here know if a charger for the 1750 mAh batteries exists?

Never mind - I was made aware of this:
http://conics.net/shp/pda/zaurus-sl-c700/c...1-mod-small.jpg
It seems that someone has been using the charger for the 900 mAh batteries for the larger batteries with success (after modification).