Solar controller with fullscreen realtime monitoring, 100V panel input, ultralow standby power, and USB 5V output for charging phones and small fans. Key benefits Easy system monitoring: fullscreen display shows all realtime parameters so users can quickly check system status without additional tools. Broad panel compatibility: supports solar panel input voltage up to 100V, making it suitable for a wide range of panel specifications. Lower energy waste: uses ultralow power consumption chips to reduce static standby power and overall energy use. Practical device charging: builtin USB 5V output provides reliable phone and fan charging while improving conversion efficiency. Main features Fullscreen parameter display: presents comprehensive realtime data on a single monitor for convenient system checks and troubleshooting. input voltage tolerance: accepts up to 100V from solar panels, compatible with many panel configurations and system sizes. Energyefficient electronics: ultralow power chips minimize standby consumption to extend battery life and reduce wasted energy. USB 5V output: dedicated output for mobile phone and fan charging, optimized to improve conversion rates compared to unregulated outputs. Clear function focus: designed to control and monitor solar charging while providing auxiliary USB power for small devices. Performance and compatibility Function: solar charge controller with monitoring and USB charging capability. Compatibility: works with solar panels whose open circuit or operating voltage does not exceed 100V and with standard 5V USB devices for charging. Performance: continuous realtime display and reduced static power draw thanks to efficient internal circuitry. Typical applications Offgrid cabins and small solar systems: monitor panel and battery performance while providing USB charging for phones and small fans. RVs and campervans: central controller for solar input up to 100V with a convenient USB port for device charging on the road. Emergency or temporary power setups: keep track of system parameters and charge mobile devices or operate a lowpower fan during outages or outdoor events. Why choose this controller It simplifies system oversight by displaying all key parameters on one screen. It adapts to different solar panel specifications thanks to its 100V input compatibility. It reduces wasted energy with ultralow standby consumption. It adds practical USB charging for everyday device needs while improving conversion efficiency. Operation and maintenance notes Regularly view the fullscreen parameters to confirm system health and operating mode. Ensure solar panel voltage stays within the specified maximum of 100V. Use the USB 5V output for phones and lowpower fans to benefit from optimized conversion performance. This product provides clear monitoring, broad compatibility, energyefficient operation, and convenient USB charging in one compact controller.