Set the charger to 12 V/ 2 amps and allow the battery cost for 36 hours. After, use your voltmeter and see to it it reads between 12.43 V and 12.6 V prior to you test it. You'll start by heating 4 mugs of distilled water, then pour it into a tidy pail. Next off, pour about four ounces of Epsom salts into the water and mix till the water is clear (i