Intelligent MCU Solar Charge Controller with USB Charging and Auto Voltage Detection Overview This intelligent solar controller uses MCU control to manage solar charging and battery discharge. It automatically detects 12 V and 24 V systems, displays battery power, and includes a 5 V USB output for charging digital devices. Builtin temperature detection helps extend battery life and improve conversion rates. Key benefits Reliable charge management using MCU control for consistent and adaptive charging behavior. Simple compatibility with 12 V and 24 V battery systems through automatic voltage identification. Onboard 5 V USB charging port allows direct charging of phones, tablets, and other USB devices without extra adapters. temperature detection adjusts operation to reduce stress on the battery, supporting longer battery life and improved conversion efficiency. Battery power display provides a clear indication of battery status so users can plan usage and maintenance. Main features MCU CONTROL for intelligent regulation of charging and discharge cycles. USB CHARGING PORT providing 5 V output with a standard USB connector for digital products. AUTO VOLTAGE detection that identifies 12 V and 24 V systems and shows battery power level. TEMPERATURE detection to help extend battery life and enhance conversion rates. Compatibility and installation Compatible with solar panels and battery systems designed for 12 V and 24 V operation. USB output supports most small digital devices that charge from a 5 V USB source. Compact form factor designed for straightforward installation in common solar setups. Performance and reliability Intelligent control logic adapts to system voltage and battery condition to maintain stable charging. Temperature monitoring reduces thermal stress on batteries during temperature conditions, supporting better long term performance. Practical use scenarios Remote cabin or off grid lighting: manage panel charging and battery health for LED lights and small appliances while allowing direct USB charging for phones. Recreational vehicle or small boat: integrate with 12 V or 24 V battery banks to maintain battery charge and provide a convenient USB outlet for onboard electronics. Weekend camping and emergency backup: support a portable solar array to keep a battery topped up and charge mobile devices without additional converters. What this product solves Eliminates manual voltage selection by automatically detecting system voltage. Provides a convenient USB charging option without additional adapters. Reduces battery wear from overheating through temperature detection, helping maintain usable battery capacity over time. Technical notes 5 V USB output for digital products. Automatic identification of 12 V and 24 V systems with battery power display. MCU based control and temperature detection included. This controller is designed for users who need simple, intelligent solar charge management with USB charging capability and automatic voltage handling.