{"product_id":"sun-energise-25w-12v-solar-battery-charger-maintainer-built-in-mppt-waterproof-trickle-charger","title":"Sun Energise 25W 12V Solar Battery Charger \u0026 Maintainer — Built-in MPPT, Waterproof Trickle Charger","description":"\u003cp\u003e\u003cstrong\u003eSun Energise 25W 12V solar battery charger is a compact, weatherproof trickle-charging kit with a built-in MPPT controller that keeps 12V batteries topped safely and efficiently.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis all-in-one solar panel and smart charge controller is designed to maintain and protect 12V batteries for cars, boats, RVs, trailers and small equipment. It combines MPPT efficiency, a three-stage charging algorithm and multiple safety protections inside a rugged tempered-glass and ABS frame so you can leave it connected outdoors season after season.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the MPPT controller improve charging performance?\u003c\/h3\u003e\n\u003cp\u003eThe integrated MPPT (Maximum Power Point Tracking) controller finds the optimal power point of the panel and converts more sunlight into usable battery charge compared with a basic regulator. That raises tracking efficiency up to 99% and peak conversion near 98%, which means faster, steadier trickle charge even in low-light conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMPPT boosts panel utilization by 20–30% over PWM-style controllers\u003c\/li\u003e\n  \u003cli\u003eMaintains steady current during changing sunlight or temperature\u003c\/li\u003e\n  \u003cli\u003eAutomatically resumes charging when battery voltage falls\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat protections keep my battery safe while maintained?\u003c\/h3\u003e\n\u003cp\u003eSun Energise built multiple protections into the charger so it won’t overcharge, short, or reverse polarity. The smart three-stage charging (Bulk, Absorption, Float) supplies the right voltage profile to preserve battery health without manual adjustment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eProtection against overcharge, over-discharge and over-voltage\u003c\/li\u003e\n  \u003cli\u003eShort-circuit, reverse polarity, over-current and over-temperature safeguards\u003c\/li\u003e\n  \u003cli\u003eIP65 waterproof rating and spark-proof connections for outdoor safety\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich battery types and vehicles are compatible?\u003c\/h3\u003e\n\u003cp\u003eThis 25W kit works as a trickle charger and maintainer for a broad range of 12V battery chemistries and vehicle types. It supports lead-acid varieties and LiFePO4 lithium batteries with no additional accessories required, making it versatile for seasonal or long-term storage.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with SLA, AGM, GEL, flooded, deep-cycle and LiFePO4 batteries\u003c\/li\u003e\n  \u003cli\u003eIdeal for cars, motorcycles, lawnmowers, boats, RVs, trailers and ATVs\u003c\/li\u003e\n  \u003cli\u003eUseful for trolling motors, generators and other small 12V equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and everyday use?\u003c\/h3\u003e\n\u003cp\u003eThe panel arrives ready to install with pre-drilled frame holes and plug-and-play cabling so you can mount it quickly and connect to a battery without complicated setup. An LED status indicator shows charging activity at a glance so you can confirm operation without tools.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePre-drilled mounting points for rapid roof or rail attachment\u003c\/li\u003e\n  \u003cli\u003ePlug-and-play cables simplify connection and removal\u003c\/li\u003e\n  \u003cli\u003eLED indicator displays charging and fault status for quick checks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? If you need a low-maintenance, weatherproof solar solution to keep a 12V battery healthy during storage or irregular use, the Sun Energise 25W kit is a practical choice. It is aimed at vehicle owners, boaters, RVers, landscapers and anyone who wants reliable trickle charging without constant monitoring. The compact panel and built-in smart MPPT controller suit small systems where space is limited but reliable battery maintenance is essential.\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: Can this charger maintain LiFePO4 batteries?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The Sun Energise 25W MPPT charger supports LiFePO4 and common 12V lead-acid battery types with its multi-stage charging profile.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the panel weatherproof for outdoor use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The unit has tempered glass, a corrosion-resistant ABS frame and an IP65 rating for rain and dust protection.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Sun Energise","offers":[{"title":"Default Title","offer_id":56843645845844,"sku":"B0CQ4L57JC","price":150.63,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/sun-energise-front-panel-view.jpg?v=1787081344","url":"https:\/\/gardenluxe.co.uk\/products\/sun-energise-25w-12v-solar-battery-charger-maintainer-built-in-mppt-waterproof-trickle-charger","provider":"Gardenluxe Uk","version":"1.0","type":"link"}