Set the charger to 12 V/ 2 amps and let the battery charge for 36 hours. After, use your voltmeter and make sure it reviews in between 12.43 V and 12.6 V before you test it. You'll begin by heating four mugs of pure water, then pour it right into a clean bucket. Next off, pour around 4 ounces of Epsom salts into the water and mix up until the water