Mark purchased the 12V Infinitum Desulfator from us in November 2013 for his BMW 5 Series E39. He contacted us again recently after over 3 years to purchase another unit for his other BMW, a BMW 6 Series E63. He saved a whopping MYR3000 (about US$750), which is the price he would have spent to replace his battery. That is a significant return on his investment.
Note from Infinitum: A customer from California bought two 12V Infinitum Desulfators from us. She operates a business as a mobile farrier, to replace and service horseshoes. All the electrical equipment needed to