Lithium jump-start packs (slightly OT)

Anyone got any experience with them, or can recommend one? Only for a

1.3 petrol engine plus general use as a mobile supply.
Reply to
newshound
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This chap has a few videos on making car batteries with lithium cells and supercapacitors:

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Reply to
David Paste

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Noticed in the description:-

'Full guarantee from Sealey Tools'

Which likely says it all. ;-)

Reply to
Dave Plowman (News)

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