Bringing car battery back from the dead....
The battery on the 1991 560SEL is DOA. I decided to check out some youtube videos to try and bring it back. First, I emptied all the old electrolyte out of the cells. Next, I mixed hot water and epsom salts (2 1/2 cups of water to 1 1/2 cup of empsom salt) then filled the cells.
One guy says to charge the battery for 24 - 36 hours after refilling with the epsom salt/distilled water mixture then DISCHARGE the batter by using a light (one could turn on the car headlights for example), then recharging the battery again. Rinse and repeat three times. I've never heard of this method. Anyone know if this is a worthwhile idea or should I simply leave it on the charger for 24 - 36 hours and see what happens?
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