{"product_id":"bougerv-sunflow-40a-mppt-solar-charge-controller-12v-24v-bluetooth-app-backlit-lcd-low-temp-cut-off","title":"BougeRV Sunflow 40A MPPT Solar Charge Controller 12V\/24V — Bluetooth App, Backlit LCD, Low-Temp Cut-Off","description":"\u003cp\u003e\u003cstrong\u003eBougeRV Sunflow 40A MPPT is a high-efficiency solar charge controller that manages 12V\/24V systems, supports LiFePO4 and multiple battery types, and offers app and LCD control with low-temperature cut-off protection.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis compact 40 amp MPPT regulator converts solar panel output into safe, optimized charging for RVs, boats, off-grid cabins and battery arrays. It adds smart monitoring via a backlit LCD and a Bluetooth app, incorporates temperature-aware charging to protect sensitive chemistries like LiFePO4, and packs thermal and electrical protections to keep the system running reliably under varied conditions.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the Sunflow 40A MPPT improve solar charging efficiency?\u003c\/h3\u003e\n\u003cp\u003eThe controller uses maximum power point tracking to continually adjust input conditions and extract more energy from panels than PWM regulators. High tracking and conversion numbers translate to faster charging and less wasted solar potential throughout the day.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMPPT tracking efficiency up to 99.5% for steady power harvesting.\u003c\/li\u003e\n  \u003cli\u003ePeak conversion efficiency around 99% to reduce energy loss.\u003c\/li\u003e\n  \u003cli\u003eAluminum heat sink for better thermal management under load.\u003c\/li\u003e\n  \u003cli\u003eCharge current adjustable from 0A to 40A to match battery needs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat battery types and safety features are supported?\u003c\/h3\u003e\n\u003cp\u003eSunflow is programmed to work with LiFePO4, sealed lead-acid variants (AGM, GEL), and other common bank types with selectable charging profiles. Built-in protections guard against conditions such as reverse polarity, overloads, short circuits and overheating, providing a safer charging environment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLow-temperature cut-off prevents LiFePO4 charging below 32°F to protect cells.\u003c\/li\u003e\n  \u003cli\u003eDual MOSFET circuitry minimizes reverse current and operational heat.\u003c\/li\u003e\n  \u003cli\u003eProtections include over-temp, open-circuit, short-circuit and overload defenses.\u003c\/li\u003e\n  \u003cli\u003eAutomatic recognition of 12V\/24V systems when battery is connected first.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I monitor and control the controller remotely?\u003c\/h3\u003e\n\u003cp\u003eYou can use the backlit LCD for on-unit configuration and live readouts or pair the controller with the BougeRV Bluetooth app for wireless monitoring up to about 32 feet. The app shows solar input, battery state and load status and lets you adjust settings where permitted.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eThree display modes: full-featured, no-load, and viewing-only.\u003c\/li\u003e\n  \u003cli\u003eRemote control and status via BougeRV app; older Solar APP may also be available.\u003c\/li\u003e\n  \u003cli\u003eScreen buttons allow full configuration without the app if preferred.\u003c\/li\u003e\n  \u003cli\u003eRange up to approximately 32 feet for typical Bluetooth usage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat installation and system limits should I watch for?\u003c\/h3\u003e\n\u003cp\u003eSunflow supports 12V or 24V battery systems and requires correct wiring order for proper startup. Follow the rated PV and input limits to avoid damage and ensure the controller performs as expected.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMaximum PV input voltage: 95V; max PV power: 600W (12V) \/ 1200W (24V).\u003c\/li\u003e\n  \u003cli\u003eWire size recommendation: 15–8 AWG depending on run length and current.\u003c\/li\u003e\n  \u003cli\u003eRated load current listed at 20A for auxiliary loads; charging up to 40A.\u003c\/li\u003e\n  \u003cli\u003eConnect battery first to wake and let the unit identify system voltage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: The BougeRV Sunflow 40A MPPT is aimed at RV owners, marine users, small off-grid homes and DIY solar installers who need a compact, intelligent regulator that maximizes panel output, protects modern battery chemistries like LiFePO4, and offers both local and Bluetooth app monitoring. It suits projects where efficient energy conversion, safety features and flexible control are priorities without stepping up to heavy commercial gear.\u003c\/p\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: Does the controller support LiFePO4 batteries?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It supports LiFePO4 with a low-temperature cut-off and can restart dormant LiFePO4 batteries safely.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is the maximum solar input power for 24V systems?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The controller accepts up to 1200W PV input on 24V systems with a maximum input voltage of 95V.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"BougeRV","offers":[{"title":"Default Title","offer_id":56801571864916,"sku":"B0CFKZ5Q97","price":200.84,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/bougerv-sunflow-front-panel_00f0a12b-4ad0-45a6-9e99-70d2616dbfa1.jpg?v=1786744186","url":"https:\/\/gardenluxe.co.uk\/products\/bougerv-sunflow-40a-mppt-solar-charge-controller-12v-24v-bluetooth-app-backlit-lcd-low-temp-cut-off","provider":"Gardenluxe Uk","version":"1.0","type":"link"}