BettSun 120A MPPT Solar Charge Controller w/Wifi for Lithium battery or 12V 24V 36V 48V Lead-acid

120A MPPT Solar Charge Controller with Wifi Function for Android and IOS 120A MPPT solar charge controller Built-in High-Performance DSP controller Automatic battery voltage detection for 12V/24V/36V/48V & Voltage LOCK function PV Start ON&BMS Activation Charging current limitation Lithium mode or 3-stage charging mode for lead-acid battery The MPPT track speed is 5 times faster than traditional controllers The charging voltage accuracy is ±0.1V Max load current is 20A Output limited current protection, Overcharge protection, Over-temperature protection Suitable for battery types such as lead-acid, vented gel, lithium battery, etc   Model No. M120A Charge Algorithm (For Lithium Battery) User-defined and Voltage locked Charge Algorithm (For Lead-acid Battery) Auto and Adaptive: Constant current (MPPT) Constant voltage (Absorption Voltage) Floating charge Battery Voltage (Auto Select) DC 12V, 24V, 36V or 48V Automatic Select Voltage Range 12V syste