... Warranty: two year Great FeaturesAdopting MCU (micro control unit) system,switch mode design and reverse pulse technology,The chargers are more ... The most important is the reverse pulse high technology.1.Switch Mode Design Or we call Switching Power Supply, this ... , AGM, etc) 3).Reverse Pulse High TechnologyCombined with MCU system, chargers generate reverse pulse current during the charging process.2 ...