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German Powerwall 280xLG 18650MJ1 7s40p+ 450Wp Balcony PV System and a small question
#26
Ok I got my first notebook batteries and two of them are already sleeping fully charged in a box for 2 weeks till now. 9 batteries are still in the capacity tester and will be stored in the box tomorrow ^^
66 notebook battery packs on the way, so a lot of work.

Maybe its time for another question:
If I finished to build up the new packs (7x 40-50p) and want to connect one new pack to an existing 40p pack in parallel. How much difference in the voltage is acceptable? I think the difference must be quite close, because one pack can deliver over 200A. 
So how to connect them safely without burning the house down?
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RE: German Powerwall 280xLG 18650MJ1 7s40p+ 450Wp Balcony PV System and a small question - by drbacke - 04-09-2019, 07:13 PM

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