I did not actually test the Cold Cranking Amps before installation of the optimizer / desulphator, so I cannot say how much the battery improved… However, the results are obvious.
My three-year-old battery went from having a nearly dead battery to cranking a 262 cu inch engine like a brand new battery.
It’s amazing that the battery can perform so well given the damage that has occurred to it (accidental deep cycles). The optimizer took about 4 weeks to recondition the battery.
One thing I really like about your unit over some of the others which are made here in the USA is the voltage-sensitive shutoff feature you’ve included in the circuit design. Very neat.
Auto enthusiast& Environmental Scientist,
Garden Tower Co-Founder