Allinone 20A Solar Charge Controller Kit for 12V and 24V Systems This complete kit includes one 20A solar charge controller with HD LCD display and dual USB ports, plus an instruction manual for straightforward installation. It is designed to simplify solar setups and protect battery systems while improving solar energy conversion. Key benefits Simple setup and control: HD LCD display provides clear system status and settings, while the included manual makes installation hassle . Automatic configuration: Automatically detects 12V or 24V systems and adapts charging behavior to the detected battery voltage, eliminating manual selection errors. Broad battery compatibility: Supports ternary lithium, lithium iron phosphate, and leadacid batteries so you can use the controller with common battery types. Optimized charging for longer battery life: Advanced three stage charging sequence direct, boost, and floating ensures efficient, fast charging and helps extend battery lifespan. Built for reliable operation: Builtin protections guard against reverse connections, overcurrent, and humidity, allowing safe operation in tougher conditions. Device charging convenience: Dual USB ports provide on the go charging for phones and small electronics directly from the system. What makes it stand out Allinone kit with a user friendly HD LCD interface reduces setup time and learning curve. Automatic battery detection and multiple battery profiles remove guesswork and reduce risk of incorrect charging. Three stage charging strategy balances rapid charging with battery health and overall system efficiency. Typical applications Recreational vehicles and camper vans for managing house batteries and charging small devices via USB. Offgrid cabins and small solar arrays to control battery charging and maintain reliable backup power. Marine and boating installations where automatic detection and robust protection help prevent common wiring and environmental issues. Included items and core specifications 1 x 20A solar charge controller with HD LCD display and dual USB ports Instruction manual System voltage: automatic 12V or 24V detection Supported battery types: ternary lithium, lithium iron phosphate, leadacid Charging stages: direct, boost, floating Protections: reverse connection, overcurrent, humidity, automatic battery voltage adaptation This controller kit provides a practical, reliable solution for small solar power systems that require easy setup, broad battery compatibility, and built in protections for safe, efficient operation.