Model ML2420 Solar Charge Controller Color: 24v Size: ML2420 Model Number: ML2420 What this product does Efficiently manages solar charging and battery charging from utility or generator sources while coordinating inverter charge and discharge scheduling. Provides clear system monitoring through an LCD display and RS232 communication for remote data access or integration. Key benefits efficiency and low loss: 98 percent conversion efficiency and noload loss between 0.7W and 1.2W reduce wasted power and maximize usable energy. Wide battery compatibility: Accepts battery voltages from 9V to 35V and supports 12V or 24V auto selection to work with common battery banks. Robust inputs and protection for PV arrays: Supports a maximum solar input voltage of 100V and MPPT operating range from Battery Voltage plus 2V up to 75V. Stable longterm operation: Designed for continuous, reliable use across a wide temperature range and up to 3000 m altitude. Clear control and monitoring: Integrated LCD display shows operating parameters, battery status, and operating temperature; RS232 enables external communication. Performance and technical highlights Voltage: 12V or 24V automatic selection Rated charging current: 20A Input power: 260W at 12V, 520W at 24V Conversion efficiency: 98 percent Noload power loss: 0.7W to 1.2W Battery voltage range: 9V to 35V Maximum solar input voltage: 100V Maximum power point tracking voltage: Battery Voltage plus 2V to 75V Maximum capacitive load: 10000 uF Temperature compensation factor: 3 mV per 2V default Operating temperature: 35 to +45 C Maximum operating altitude: 3000 m Communication: RS232 Display: LCD controller for easy access to operating parameters and battery status Compatibility and functions Works with solar arrays, utility mains charging, or generator charging to keep batteries conditioned and available. Can schedule inverter charging and discharging to coordinate renewable generation, stored energy, and backup supply needs. Compatible with a variety of battery types within the stated voltage range when configured correctly. Practical use scenarios Home backup and hybrid power systems: Manage solar charging during the day, allow inverter charging from utility or generator when needed, and provide reliable backup during outages. Mobile and offgrid vehicles: Use in RVs, boats, or camper setups to combine solar generation and alternator or generator charging while monitoring battery health. Remote installations and cabins: Power remote loads or telecom equipment by maximizing solar harvest and maintaining battery voltage in cold or hot environments up to the specified temperature and altitude limits. Why choose this controller Delivers efficient MPPT charging with low standby loss, flexible input options, and clear monitoring via LCD and RS232. The ML2420 model provides a balance of power handling, compatibility, and longterm stability for residential, mobile, and remote power applications.