3-stage microprocessor controlled charger/maintainer with desulphator Full-time random sweep desulphation Patented high-frequency pulse technology dissolves harmful sulphation Charges and maintains up to 6 batteries at a time (parallel connected) Built-in sulfation tester Product Description3-stage smart microprocessor-controlled BatteryMinder has built-in desulfator that automatically dissolves harmful power-robbing, life-shortening sulphation using safe high-frequency sweep pulse technology. Safely charges [...]