Description: The SRNE 50A MPPT Solar Charger delivers high-efficiency solar charging for 12V and 24V battery systems. Advanced MPPT (Maximum Power Point Tracking) technology maximises solar output in real time, providing up to 30% higher charging efficiency than PWM controllers. Ideal for off-grid, 4WD, caravan, and marine applications, the SRNE 50A ensures stable charging, improved battery protection, and longer system lifespan in variable light conditions. Specifications: *MPPT tracking efficiency can be as high as 99.9%. *Advanced digital power technology, with circuit energy conversion efficiency as high as 98% *Supporting charging procedures of gel batteries, sealed batteries, open batteries, lithium batteries and other types of batteries. *Supporting the start of capacitive load instantaneous large current. *Supporting automatic identification of battery voltage. *LED indicator of malfunction, buzzer alarm, and liquid crystal display of abnormal information. *Supporting historical data storage for up to 5 years. *Supporting standard Modbus protocol that meets communication needs on different occasions. *Built-in mechanism of over-temperature protection. *External battery voltage sampling function. *Temperature compensation functions. *TVS lightning protection Parameter Name Parameter Value Model MC2450N10 System Voltage 12V/24VAuto No-Load Loss 0.7 W~1.2W Battery Voltage 9~32 Max Solar Energy Input Voltage 99% Temperature compensation coefficient -3mv/℃/2V(Default) Working Temperature -35℃ ~ +45℃ Protection Level IP32 Weight 830g Max Wiring Size Communication Mode TTL serial communication Altitude ≤ 3000m Product Size 183*1127*69.5mm Comparison Table of Parameters for Each Type of Battery Setting Voltage Battery Type Sealed Lead-Acid Battery Gelled Lead-Acid Battery Open Lead-Acid Battery User (User-Defined) Overvoltage Disconnect Voltage 16.0V 16.0V 16.0V 9~17V Equalizing Voltage 14.6V —— 14.8V 9~17V Boost Voltage 14.4V 14.2V 14.6V 9~17V Floating Voltage 13.8V 13.8V 13.8V 9~17V Boost Restoring Voltage 13.2V 13.2V 13.2V 9~17V Low Voltage Disconnect Restoring Voltage 12.6V 12.6V 12.6V 9~17V Under-Voltage Alarming Restoring Voltage 12.2V 12.2V 12.2V 9~17V Under-Voltage Alarming Voltage 12.0V 12.0V 12.0V 9~17V Low Voltage Disconnect Voltage 11.1V 11.1V 11.1V 9~17V Discharging Limit Voltage 10.6V 10.6V 10.6V 9~17V Over-Discharge Delay Time 5s 5s 5s 1~30s Equalizing Duration Time 120 minutes —— 120 minutes 0~600 minutes Equalizing Charging Interval 30 days 0 day 30 days 0~250D (00 refers to close equalizing charging function)) Boost Duration Time 120 minutes 120 minutes 120 minutes 10~600 minutes
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