Reconditioning a 12 Volt Car Battery: 100% Success

I take 4 junk 12V batteries and bring them back to life with a combo of epsom salt and used battery acid. I've now done a part 2 with a cold cranking amp test and opened a battery up so you can see the process. Link below,    • Reconditioning / Repair an Old 12V Car Bat...   #battery #batteryreconditioning #oldbattery #epsomsalt