Humanized LCD display for clear and intuitive monitoring of charging status and current flow. PWM 3Stage charging for efficient and safe battery management, helping extend battery life. Load working mode is optional, providing flexibility to adapt to different load profiles and usage scenarios. Overall protection features provide reliable safety and protection for the battery and system. Charging current and discharging current are displayed on the LCD for realtime monitoring and quick status checks. Use scenarios Home backup and emergency power: maintain essential devices during outages with reliable charging control and status visibility. Offgrid solar storage: use PWM charging to optimize battery health, monitor charging and discharging currents, and enable an optional load mode to manage power distribution. Portable field use and camping: compact, easytomonitor charging solution that safely manages battery charging and discharge with clear current display.