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**Antelpebabe** · 08-26-2012, 06:32 PM

The battery in one of our cars is maybe 4 years old and while it is not bad, it is not as good as it used to be. There is advertised stuff like this --> http://www.jaycar.com.au/productView.asp?ID=NA1420 that is supposed to dissolve the lead sulphate off the negative plates and if the battery is still mechanically sound, i.e. the plates have not crumbled to a mush or the paste has not come away from the lead grid through too much swelling and contraction, then it may improve the condition of the battery. The MSDS says it contains ~5% cadmium sulphate. This all sounds good to me but I am not an electrochemist. Do these things really have a hope of working?

08-26-2012, 06:32 PM	#1
Antelpebabe Join Date Oct 2005 Posts 468 Senior Member	Restoring old car batteries with magic additive The battery in one of our cars is maybe 4 years old and while it is not bad, it is not as good as it used to be. There is advertised stuff like this --> http://www.jaycar.com.au/productView.asp?ID=NA1420 that is supposed to dissolve the lead sulphate off the negative plates and if the battery is still mechanically sound, i.e. the plates have not crumbled to a mush or the paste has not come away from the lead grid through too much swelling and contraction, then it may improve the condition of the battery. The MSDS says it contains ~5% cadmium sulphate. This all sounds good to me but I am not an electrochemist. Do these things really have a hope of working?
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