Solar MPPT Charge Controller 100A, Blue Key benefits Keeps battery healthy and charging efficient: MPPT tracking maximizes solar charging efficiency and the threestage full charge management speeds charging while protecting battery life. Clear, realtime monitoring: large LCD shows temperature, charging current, discharging current, and cumulative power generation so system status is visible at a glance. Flexible control and recovery: adjustable charging and discharging parameters, light control plus time delay control, twoway tracking, and poweroff memory for consistent operation after interruptions. What it does Automatic MPPT tracking charging for higher conversion efficiency and uninterrupted detection during charging. Threestage intelligent charging management to optimize battery charge and extend battery service life. Realtime display of temperature, charging and discharging current, and cumulative generation and discharge data for easy system monitoring and troubleshooting. Light control and time delay control functions for automated load management. Adjustable charging and discharging settings for compatibility with a variety of battery types and system requirements. USB output for device charging: 5V, 2A max. Low standby consumption: less than 10 mA. Specifications Model size: 100A Color: Blue Rated voltage: 12V or 24V Available current ratings: 30A, 40A, 50A, 60A, 100A optional USB output: 5V, 2A max Standby current: less than 10 mA Working temperature: 35 to 60 C Item dimensions: 190 x 96 x 45 mm Item weight: 276 g Package dimensions: 193 x 100 x 50 mm Package weight: 320 g Packing list 1 x Solar Charge Controller 1 x User Manual Practical applications Offgrid cabin or tiny house solar setups where efficient charging and clear system monitoring are required. RV and camper solar systems that need automatic light control, time delay functions, and USB power for small devices. Marine or mobile power systems where robust temperature range, compact size, and poweroff memory improve reliability. Why choose this controller Designed for straightforward installation and daily use with an intuitive LCD display and adjustable settings. Supports both 12V and 24V systems and multiple current ratings to match system size and load requirements. Built to manage charging intelligently while providing continuous monitoring and simple user control to protect batteries and improve system performance.