Model DM120 solar charge controller designed for reliable MPPT performance and flexible battery management in offgrid lighting and small power systems. Key benefits Maximizes solar harvest with MovingTrack MPPT maximum power tracking technology for faster, higherefficiency tracking. Works with both leadacid and lithium batteries; charging and operating parameters can be set remotely for easier system tuning. Very low idle power consumption using UltraGreen power control technology, preserving battery capacity when loads are idle. Robust design for outdoor use: full aluminum housing with IP67 waterproof rating. Core features MPPT tracking efficiency greater than 99 percent for improved conversion and energy yield. System voltage selectable for 12 V or 24 V systems; load voltage range 15 to 60 V. Maximum charging current 10 A. Leadacid battery support with multistage constant voltage charging and temperature compensation. 10period programmable load power and time control to tailor lighting schedules and power use. precision digital stepup constant current control algorithm for stable, accurate charging and efficiency. Multiple intelligent power modes that automatically adjust load power based on battery level. Battery charge and discharge protection for and low temperature, with adjustable operating temperature thresholds. Extensive safety protections including battery and PV reverse polarity protection, LED shortcircuit, opencircuit, and limitedpower protections. Infrared wireless communication for setting and reading parameters and monitoring status; extensible to IoT remote communication monitoring. Low weight of 400 g and compact footprint for easy installation. Physical specifications Model: DM120 System voltage: 12 V or 24 V Load voltage: 15 to 60 V Maximum charge current: 10 A MPPT tracking efficiency: greater than 99 percent IP rating: IP67 Weight: 400 g Dimensions: 114 x 88.3 x 24.5 mm Enclosure: full aluminum housing Typical applications Offgrid LED lighting for rural homes, cabins, and street or pathway illumination where efficient solar tracking and programmable lighting schedules are required. Recreational vehicles and boats that need efficient battery charging and selectable battery chemistry settings for leadacid or lithium systems. Small remote telecom, security, or sensor sites that require dependable power management, low standby consumption, and optional remote monitoring. Why choose this controller The DM120 blends precision MPPT tracking, flexible battery compatibility, programmable load control, and builtin protections within a compact, weatherproof aluminum case. It is suited for installations where efficient solar energy conversion, low idle power draw, and remote adjustability are important.