That should be Caustic Soda, not Baking Soda. If a battery in otherwise good shape has self discharged to the point of being flat has a bit of Epsom Salt or such added it might help recover the battery. No magic going on. With a flat battery it is hard to get a current flow started and the cells may not respond equally. A small amount of some metallic salt will allow charging and help with equal charging.
I have used a variable power supply to recover a new but flat AGM. They were left uncharged for about 3 years. It required around 30v to get a 0.05 amp charge started, which gradually became 0.1 amps at around 20v after a couple of days. Out of three dead AGM two have recovered and I was able to run a discharge / normal charge test on them. The other AGM only recovered to 10.4v after sitting idle, one cell never charged. Michael Brown Windburn C&C 30-1 From: "Stu" <s...@cncphotoalbum.com> Has anyone tried the baking soda/epson salt method to recharge a dead battery? Stu
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