{"product_id":"sunapex-cargador-solar-flexible-20w-12v-mantenedor-inteligente-ip67-para-baterias","title":"SUNAPEX 20W 12V Solar Car Battery Trickle Charger \u0026 Maintainer — IP67, Monocrystalline + Smart Controller","description":"\u003cp\u003e\u003cstrong\u003eThe SUNAPEX 20W 12V Solar Car Battery Trickle Charger \u0026amp; Maintainer is a compact, weatherproof solar panel with an intelligent controller that safely keeps 12V batteries topped off automatically.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned for vehicles, boats, RVs and off-grid accessories, this SUNAPEX panel combines high-efficiency monocrystalline cells with a built-in smart charge controller to deliver steady maintenance power without manual intervention. It’s engineered to resist water and dust (IP67) and to work in varied light conditions, so you can leave it mounted or connected for weeks at a time to prevent battery drain.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the SUNAPEX charger protect my battery from damage?\u003c\/h3\u003e\n\u003cp\u003eThe integrated charge controller uses an optimized charging algorithm to avoid overcharge, over-discharge, reverse polarity and short circuits. It automatically stops charging when the battery reaches full voltage and resumes only when the battery falls below a safe threshold, which reduces stress and prolongs usable life.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOver-charge and over-discharge protection prevents harmful voltage extremes.\u003c\/li\u003e\n  \u003cli\u003eReverse polarity and short-circuit safeguards protect both panel and battery.\u003c\/li\u003e\n  \u003cli\u003eAutomatic on\/off charging removes the need for manual monitoring.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this panel actually work in cloudy or winter conditions?\u003c\/h3\u003e\n\u003cp\u003eThe high-efficiency monocrystalline cells deliver more output per square inch than comparable polycrystalline panels, improving performance in low-light or diffuse conditions. While output diminishes under heavy cloud or very short daylight hours, the optimized design still supplies trickle current to combat parasitic drain and keep batteries at maintenance level.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMonocrystalline cells for better low-light response.\u003c\/li\u003e\n  \u003cli\u003eStable output across a wide range of daylight intensities.\u003c\/li\u003e\n  \u003cli\u003eIP67 sealing ensures reliable outdoor exposure through seasons.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and daily operation?\u003c\/h3\u003e\n\u003cp\u003eInstallation is tool-free and flexible: the lightweight panel can be attached with suction cups to a windshield or hung with included carabiners. Once connected, three LED indicators provide instant status—sunlight detection, active charging, and fully charged—so you always know what the unit is doing without opening covers or testing voltages.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSuction cups and carabiners included for varied mounting options.\u003c\/li\u003e\n  \u003cli\u003ePlug-and-play connection compatible with common 12V battery terminals.\u003c\/li\u003e\n  \u003cli\u003eLEDs: blue for sunlight, red for charging, green for full battery.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich batteries and vehicles is this compatible with?\u003c\/h3\u003e\n\u003cp\u003eThe SUNAPEX 20W maintainer supports a broad range of 12V rechargeable chemistries including sealed lead-acid, AGM, gel, flooded, LiFePO4 and many lithium battery types. It’s suitable for cars, trucks, motorcycles, boats, RVs, lawn equipment, trailers, gate openers and off-grid devices such as security cameras and electric fences.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with most mainstream 12V battery chemistries.\u003c\/li\u003e\n  \u003cli\u003eWorks across vehicles and stationary applications like gate openers.\u003c\/li\u003e\n  \u003cli\u003eSafe for long-term maintenance use thanks to automatic regulation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The SUNAPEX 20W 12V Solar Car Battery Trickle Charger is aimed at vehicle owners, marine and RV enthusiasts, property managers and anyone who needs reliable, low-maintenance battery care. It’s especially useful for seasonal vehicles, equipment stored outdoors, or situations where grid power is inconvenient—providing steady, automatic battery maintenance while resisting weather and delivering safe, optimized charging behavior. SUNAPEX backs the unit with a one-year workmanship warranty and ongoing customer support for setup and troubleshooting.\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 be left connected all the time?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The SUNAPEX maintainer is fully automatic and stops charging when the battery is full, resuming only when needed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the unit waterproof for outdoor mounting?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It features an IP67 sealed design suitable for rain, snow, dust and most outdoor conditions.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"SUNAPEX","offers":[{"title":"Default Title","offer_id":56821044576596,"sku":"B0CDBZ3J8H","price":89.23,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/sunapex-panel-frontal-20w.jpg?v=1786967215","url":"https:\/\/gardenluxe.co.uk\/products\/sunapex-cargador-solar-flexible-20w-12v-mantenedor-inteligente-ip67-para-baterias","provider":"Gardenluxe Uk","version":"1.0","type":"link"}