1pc ltc3780 dc 5v ~ 32v до 1v ~ 30v 10a автоматический step-down регулятор зарядки модуля 77,6 х 46,5 х 15 мм модуль board

['constant voltage, constant current, under voltage protection.', 'the input uses replaceable fuse to protect power supply and equipment.', 'inductor use iron silicon aluminum, 0.8 double winding, generate less heat.', 'the output has error indicating lamp,it will light when the output voltage drift too serious,short circuit and other fault.', 'the whole electrolysis use patch, low resistance, high frequency capacitor,to make the ripple down to the freezing point.', '']