{"product_id":"sunguard-solar-charge-controller-12-24v-lcd-dual-usbs-smart-bat","title":"SunGuard Solar Charge Controller 12\/24V LCD Dual USBs - Smart Bat","description":"\u003cdiv\u003e\n\u003ch2\u003eSolar Charge Controller 12\/24V LCD Display with Dual USB Output (10A–60A Models)\u003c\/h2\u003e\n\u003cp\u003e\nA reliable solar charge controller designed for 12\/24V battery systems, ideal for off-grid setups, RVs, boats, and cabins. It combines a clear LCD readout with smart charging to protect batteries and optimize solar power usage.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eVoltage Range \u0026amp; Models\u003c\/b\u003e: Auto-detect 12V or 24V systems across multiple models (RBL-10A to RBL-60A) to fit your solar panel and battery setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e4-Stage PWM Charging\u003c\/b\u003e: Fully-featured PWM management ensures efficient, safe charging through bulk, absorption, float, and maintenance stages.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBig LCD Display\u003c\/b\u003e: Real-time readings and adjustable parameters at a glance—voltage, current, charging status, and settings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRobust Protection Suite\u003c\/b\u003e: Built-in protection against short circuits, open circuits, reverse polarity for both battery and solar panels, and over-load scenarios.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDual MOSFET Reverse Current Protection\u003c\/b\u003e: Prevents night-time battery drain back into the solar panel with low heat generation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTemperature Compensation\u003c\/b\u003e: Automatically adjusts charging voltage to match ambient temperature, optimizing battery health and efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAuto Load Management\u003c\/b\u003e: If the battery voltage drops, the controller disconnects the load and automatically restarts when voltage returns to normal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eUSB Output\u003c\/b\u003e: Convenient 5V\/3A USB port for charging devices directly from the system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBattery Type Adaptability\u003c\/b\u003e: Supports Sealed, Gel, and Flooded lead-acid chemistries with voltage settings aligned to each type.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEasy Wiring \u0026amp; Safe De-Installation\u003c\/b\u003e: Simple connection order (battery, solar panel, then load) to prevent damage during setup or removal.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThis regulator provides practical, dependable control for any 12\/24V solar battery system. Its temperature-compensated charging and protection features help extend battery life while the LCD display and USB output add everyday convenience for off-grid living, workshops, or remote cabins.\n\u003c\/p\u003e \u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What is a solar charge controller and who should use a solar charge controller?\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e A solar charge controller manages charging to a 12V or 24V battery system and prevents overcharging, making a solar charge controller essential for any 12V\/24V solar panel system used in off-grid living, RVs, boats, or cabins. It’s the core of a reliable PWM charge controller setup that protects battery health.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Is this compatible with both 12V and 24V systems?\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes. The device auto-detects the system voltage (12V\/24V) and applies appropriate charging parameters, a key feature of a true 12V\/24V solar charge controller used in a wide range of solar panel configurations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does it provide USB charging?\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the built-in USB port delivers 5V\/3A, making it convenient to charge phones, tablets, or small USB devices directly from your solar setup.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What protections does the controller offer?\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It includes reverse polarity protection for both the battery and the solar panels, short-circuit protection, open-circuit protection, and over-load protection—features you expect from a dependable PWM charge controller used in a 12V\/24V solar system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How does temperature compensation help?\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Temperature compensation automatically adjusts the charging voltage based on ambient temperature, helping maximize charging efficiency and extend battery life for a solar battery system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How does the auto load management work?\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e When the battery voltage falls too low, the controller disconnects the load to protect the battery. If voltage recovers, the load automatically reconnects, providing a safe, hands-off approach for a solar system in off-grid use.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What is the maximum solar input for 12V and 24V configurations?\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The controller supports up to 24V input for 12V batteries and up to 48V input for 24V batteries, delivering compatibility across common off-grid solar designs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can I use different battery chemistries?\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes. It supports Sealed, Gel, and Flooded lead-acid batteries, with corresponding equalization and charge settings that align with each chemistry.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How do I install this controller?\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Connect the battery first, then the solar panel, and finally the load. Always de-install in reverse order to avoid damage; the sequence is an important safety step for any solar charge controller.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How can I read the status on the LCD?\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The LCD provides real-time measurements such as voltage, current, charging state, and alarms, helping you monitor a 12\/24V solar panel system at a glance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Where is this controller best used?\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It’s well-suited for off-grid solar panel systems in cabins, RVs, boats, or other remote locations where a compact, reliable PWM charge controller with a USB port adds convenience and protection for a 12V\/24V battery bank.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"OurLum.com","offers":[{"title":"100A","offer_id":67585371701493,"sku":"14:10#100A","price":93.64,"currency_code":"USD","in_stock":true},{"title":"10A","offer_id":67585371734261,"sku":"14:202074810#10A","price":60.16,"currency_code":"USD","in_stock":true},{"title":"30A","offer_id":67585371767029,"sku":"14:350853#30A","price":57.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5260\/6453\/files\/sunguard-solar-charge-controller-1224v-lcd-dual-usbs-smart-battery-protection-1634610.webp?v=1781613933","url":"https:\/\/www.ourlum.com\/fr\/products\/sunguard-solar-charge-controller-12-24v-lcd-dual-usbs-smart-bat","provider":"OurLum","version":"1.0","type":"link"}