Automotive Battery Reconditioner

I found four 12 volt lead acid batteries with four different problems I tried to repair them with an auto battery desulfator. How to repair a dead battery and extend it's life I fixed a more than 6 years old dead battery with an Intelligent Pulse Repair. Battery testers compared for performance analyzing good and bad car batteries a vehicles cranking and charging system.

please see previous video 3 days later its a FAIL the CTEK charger could NOT recondition my 90Ah AGM battery from my. Battery age is 3 years and 6 months. Can you restore and rejuvenate an old dead car battery I take an 8 year old dead battery that hadn't been used in about 3 years.

I didn't expect much from this inexpensive battery charger but it was able to restore my old dead battery It is a simple battery. Is it possible to get more life out of old 12v batteries This time I attempt to desulfate some of my old dead and dying car and jet.