40A 12V 24V 48V MPPT Solar Charge Controller for Lead-acid Battery

40A MPPT Solar Charge Controller  100% MPPT controller Intelligent Maximum PowerPoint Tracking technology Built-in DSP controller with high performance Automatic battery voltage detection 12V/24V/48V Three-stage charging optimizes battery performance Multi-function LCDs Output limited current protection Overcharge protection Over-temperature protection Easy to be mounted on the wall No need for an extra device to be in parallel No limited quantity to be in parallel Suitable for battery types of sealed lead acid, vented, and Gel battery   Model No. 40A-V123 Charging Technology MPPT / Maximum power point tracking Charging Mode 3-stage： Constant current(MPPT) Constant voltage(Absorption voltage) Floating charge System Type DC12V/24V/48V Recognition automatically Automatic Select Voltage Range 12V system (DC9V-DC15V) 24V system (DC18V-DC29V) 48V system (DC40V~DC60V) Soft Start Time ≤1S Dynamic Response and Recovery Time 100us Max Effici