20A PWM Solar Charge Controller 12V 24V Dual USB LCD Display Automatic Voltage Detection Battery Protection

Solar Panel PWM Charge Controller YJSS20A A reliable PWM charge regulator designed for small to medium off grid solar systems. This controller protects batteries, manages charging automatically for 12V and 24V systems, and offers convenient device charging through dual USB ports. The clear LCD display shows system status and operating parameters for easy setup and monitoring. Key benefits Protects and extends battery life by managing charge and discharge automatically for 12V and 24V battery banks Prevents common system faults with builtin protection features, reducing the risk of damage to panels, batteries, and loads Provides convenient USB charging for mobile devices and accessories without needing an additional inverter or adapter Easy to read LCD and simple wiring make installation and monitoring straightforward for DIYers and professionals What it does PWM charging control that regulates solar panel input to the battery for steady, controlled charging Automatic 12V/24V system detection and switching simplifies setup and prevents wiring errors Dual USB ports allow simultaneous charging of phones, lights, and small electronics while the system charges the battery LCD display reports battery voltage, charging status, and basic system information at a glance Key specifications Model: YJSS20A Type: PWM solar charge controller System voltage: 12V and 24V automatic detection Rated charge current: 20A Outputs: dual USB charging ports Display: LCD for system status and parameters Protection: multiple protection functions for safer operation Why customers need it Maintains battery health by preventing overcharge and controlling charging profile Reduces risk of wiring or setup mistakes with automatic voltage detection and clear status information Adds portability and convenience by providing USB power directly from the solar system Suitable for a range of small installations where a reliable, easy to operate controller is required Compatibility and installation Designed for use with 12V or 24V solar panel arrays and compatible battery banks Simple wiring sequence and LCD feedback make it suitable for homeowners, campers, and installers Compact design fits into typical solar enclosures or small mounting spaces Practical use scenarios Remote cabin or off grid shed: maintain a 12V battery bank for lighting and small appliances while providing USB charging for phones and tablets Campervan or RV: manage a 12V or 24V battery system from roof panels and power device charging on the go Weekend camping and outdoor setups: run LED lighting and charge mobile devices from a portable panel and battery pack without complex equipment What makes it stand out Automatic 12V/24V detection reduces configuration errors Dual USB outputs deliver added convenience for charging consumer electronics directly from the solar setup Clear LCD display provides immediate insight into system behavior and battery condition 20A rating supports moderate off grid loads while remaining easy to install and operate Who should choose this controller Homeowners setting up small solar arrays for lighting and device charging Recreational vehicle and boat owners seeking a compact, reliable charge regulator DIY solar installers and contractors looking for a simple, well featured PWM controller for 12V and 24V systems note Confirm system voltage and wiring before installation to ensure correct operation with 12V or 24V battery banks Model name: YJSS20A