{"product_id":"eprec-mppt-40a-12v-24v-solar-charge-controller-with-lcd-display-dual-usb-auto-focus-tracking","title":"EpRec MPPT 40A 12V\/24V Solar Charge Controller with LCD Display | Dual USB, Auto Focus Tracking","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eMeet the EpRec MPPT 40A 12V\/24V Auto Focus Tracking Solar Panel Charge Controller. Built for off-grid setups, this regulator blends efficient MPPT operation with a clear LCD display and practical protections, helping you make the most of sunny days without guessing about performance.\u003c\/p\u003e\n\n\u003ch2\u003eKey capabilities\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUp to 40A MPPT current with compatibility for 12V and 24V battery systems; maximum input wattage of 480W (12V) or 960W (24V).\u003c\/li\u003e\n\u003cli\u003eAuto focus tracking identifies the maximum charging current to optimize PV input and improve overall efficiency compared with traditional controllers.\u003c\/li\u003e\n\u003cli\u003eTemperature compensation automatically adjusts charging voltage according to ambient temperature, promoting longer battery life and stable performance.\u003c\/li\u003e\n\u003cli\u003eSmart protections include reverse polarity protection for battery and solar panels; automatic charge-off and load-off voltages with restore when safe; surge protection for sensitive electronics.\u003c\/li\u003e\n\u003cli\u003eMulti-function LCD displays real-time data; the unit automatically adapts to 12V\/24V by ensuring you connect the battery first so the controller recognizes the correct system type.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eDesign and reliability\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eIndustrial-grade master chip delivers precise readings of charging and discharging currents, so you can monitor power generation at a glance.\u003c\/li\u003e\n\u003cli\u003eNote on hardware: this is a compatible MPPT controller with an energy-saving design and does not use a large transformer coil inside. A 30-day money-back guarantee and 12-month warranty are included.\u003c\/li\u003e\n\u003cli\u003eProfessional after-sales support is available to help with setup, configuration, and troubleshooting anytime you need assistance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat you get and how to use\u003c\/h2\u003e\n\u003cp\u003ePackage includes the MPPT solar charge controller and an English user manual. For best results, ensure the panel working voltage stays within the recommended range for your battery type, and follow the connection order: battery first, then solar panels.\u003c\/p\u003e\n\n\u003ch2\u003ePractical use cases\u003c\/h2\u003e\n\u003cp\u003eFrom RVs and boats to remote cabins or off-grid workshops, this controller helps you harvest energy more efficiently and monitor performance on the go. It supports both lead-acid and lithium chemistries, offering flexibility as your storage needs evolve.\u003c\/p\u003e\n\n\u003ch2\u003eNotes and tips\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eOperating defaults (charge-off\/load-off\/restore voltages) are set for 25°C and locked by the CPU procedure; temperature compensation handles ambient changes automatically.\u003c\/li\u003e\n\u003cli\u003ePlace panels where they receive steady sun exposure, keep wiring tidy, and verify the battery is in good condition before use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is the maximum wattage supported for 12V and 24V battery systems?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: 40A MPPT; up to 480W for 12V and 960W for 24V systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this controller support lithium batteries?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it works with both lead-acid and lithium battery chemistries.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"EpRec","offers":[{"title":"Default Title","offer_id":43989174517894,"sku":"B08R2Z92K1","price":23.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/1602\/5478\/files\/eprec-mppt-40a-12v-24v-lcd-display.jpg?v=1778858836","url":"https:\/\/patiozora.com\/products\/eprec-mppt-40a-12v-24v-solar-charge-controller-with-lcd-display-dual-usb-auto-focus-tracking","provider":"PatioZora","version":"1.0","type":"link"}