Letter Re: You May Not Need to Buy New 12 Volt Batteries
Sir: The recent post on battery rejuvenation touts a $200 unit, but the reality is that electronic battery [pulse] desulfators for 12V batteries are widely available for as little as $25 and they do just as well. (Check eBay for the phrase ‘battery desulfator’ and for more info on units, Google search the term.) The devices I believe originated in the Army decades ago and they operate by taking a little of the battery DC and changing it to AC impulses that break down lead sulfate crystals by hitting them at a resonant frequency of the molecule. This may operate …