Much Efficient: 2-3 Times Faster Than Traditional Charger, As The Current Is So Clean And The Voltage Is Well Controlled Less Energy Lose: Digitally Controlled By Mcu Gives Exactly The Right Current And Right Current And Voltage Produce Less Heat: The Generated Ripple Is Negligible, Small And Cooled Down By Natural Convection Compact In Unit Size: Half Size Of Linear Charger Highly Efficient On Charging And Keep The Longest Possible Life To Battery