Establish the battery charger to 12 V/ 2 amps and let the battery charge for 36 hours. After, use your voltmeter and make certain it checks out in between 12.43 V and 12.6 V prior to you check it. You'll begin by warming up 4 mugs of pure water, after that put it into a clean container. Next, pour about 4 ounces of Epsom salts right into the water