 Uses for 200+ used PP3s?
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Conundrum
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Wed Mar 17 2010, 07:36AM
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Registered Member #96
Joined: Thu Feb 09 2006, 05:37PM
Location: CI, Earth
Posts: 4062
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Hi all.
Just acquired from a WEEE bin a batch of used industrial PP3's.
these are alkaline but may still work (average voltage is around 8V)
any ideas?
i thought maybe put them in series and use for electrochemical experiments?
these would also be amusing for use as an emergency laptop charger
as connecting 16 in series would probably be enough (barely) to run a small notebook.
-A
"Bother" said Pooh, as his pint glass exploded during drilling...
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radiotech
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Registered Member #2463
Joined: Wed Nov 11 2009, 03:49AM
Location:
Posts: 1546
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One thing to do is open one and see if it is made from 6 smaller tiny unicells. One thing I found is with weak batteries, only several cells were higher resistance, leaving the rest usable for apps needing
small batteries. Do avoid considering what quanitity of joules would cause the center metal to be a projectile.
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IntraWinding
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Registered Member #2261
Joined: Mon Aug 03 2009, 01:19AM
Location: London, UK
Posts: 581
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Connect them all in series just using their built in end connectors.
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