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Battery Vitamin? | 8 comments (8 topical, editorial)
Re: Battery Vitamin? (3.00 / 0) (#3)
by jacobs on Wed Apr 2nd, 2008 at 04:34:27 AM MST
(User Info)

EDTA is a well known and proven battery additive.

[ Parent ]


Re: Battery Vitamin? (3.00 / 0) (#4)
by Capt Slog (Capt.Slog(at this)gmail.com) on Wed Apr 2nd, 2008 at 07:05:09 AM MST
(User Info)

Yup, it's what is known as a chelating agent, it locks up metals that are in solution and stops them taking any part in further reactions.  I've forgotten the chemistry of batteries (the 6 or so redox reactions) but I don't recall there being any free lead knocking about, so I suppose that is how it is supposed to help.

,
"Slowly changing the world, one watt at a time!"
[ Parent ]



Re: Battery Vitamin? (3.00 / 0) (#5)
by Flux on Wed Apr 2nd, 2008 at 08:02:47 AM MST
(User Info)

Some of these things help sick batteries work a bit better. Nothing makes a scrap battery good. Certainly EDTA does no harm and seems to do some good for badly sulphated cells if there is enough plate material left.

I doubt that anything does much for mossing. Probably a good application of a heavy discharge tester and a severe boost charge is the only chance. Possibly a high power pulse so called desulphator may have similar effects, but the pulses need to be really high current.

Some spend their lives trying to salvage scrap batteries they must have more luck than me, I gave up long ago.

Flux

[ Parent ]



Re: Battery Vitamin? (3.00 / 0) (#6)
by jacobs on Wed Apr 2nd, 2008 at 09:16:40 AM MST
(User Info)

I'm really not interested in trying to rejuvenate scrap batteries. With the present price of new batteries going sky high, and the labor of replacement, I'd just like to squeeze as much life as possible out of my present set consisting of 75 350AH 2 volt cells.

[ Parent ]


Re: Battery Vitamin? (3.00 / 0) (#7)
by Flux on Wed Apr 2nd, 2008 at 10:21:26 AM MST
(User Info)

I appreciate your problem. I am not sure I would risk adding some brew to good batteries without knowing someone who has proved it to be effective. If you were in trouble then there would be less to risk.

Decent 2v cells normally have a long life but I have come across batches from two different manufacturers that had early failure from corrosion of the positive link bars, no doubt due to some change in the manufacturing process.

Flux

[ Parent ]



Battery Vitamin? | 8 comments (8 topical, 0 editorial)

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