{"product_id":"renogy-core-12v-40a-dc-dc-nabijecka","title":"Renogy CORE 12V\/40A – DC-DC Charger","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThe Renogy CORE 12V\/40A is a DC-DC charger designed for \u003cstrong\u003erecharging a service battery from an alternator while driving\u003c\/strong\u003e. The 40A charging current is a practical choice for common battery systems in RVs, caravans, expedition vehicles, or boats.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe charger supports both traditional and smart alternators and is suitable for \u003cstrong\u003eLiFePO4, AGM, gel, and other deep cycle batteries\u003c\/strong\u003e. The three-stage charging algorithm automatically controls the entire charging process.\u003c\/p\u003e\n\u003ch3\u003eMain Advantages\u003c\/h3\u003e\n\u003cul\u003e\n\n\u003cli\u003e40A charging current\u003c\/li\u003e\n\n\u003cli\u003ethree-stage automatic charging\u003c\/li\u003e\n\n\u003cli\u003esuitable for LiFePO4, AGM, and gel batteries\u003c\/li\u003e\n\n\u003cli\u003ecompatible with both traditional and smart alternators\u003c\/li\u003e\n\n\u003cli\u003eengine running detection using D+ signal\u003c\/li\u003e\n\n\u003cli\u003eoption to limit charging current\u003c\/li\u003e\n\n\u003cli\u003eprotection for both starter and service batteries\u003c\/li\u003e\n\n\u003cli\u003eovervoltage, overheating, and reverse polarity protection\u003c\/li\u003e\n\n\u003cli\u003epossibility to connect a temperature sensor\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3\u003eThree-stage Charging\u003c\/h3\u003e\n\u003cp\u003eRenogy CORE uses an automatic three-stage charging process: \u003cstrong\u003eBulk – Boost – Float\u003c\/strong\u003e. The charger adjusts individual phases according to the battery status to ensure the service battery is properly and efficiently recharged while driving.\u003c\/p\u003e\n\u003ch3\u003eFor Traditional and Smart Alternators\u003c\/h3\u003e\n\u003cp\u003eThe charger can be used with both traditional and modern smart alternators.\u003c\/p\u003e\n\u003cp\u003eUsing the \u003cstrong\u003eD+ signal\u003c\/strong\u003e, it can detect a running engine and start charging only when power from the alternator is available. This helps prevent the starter battery from discharging when the engine is off.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe D+ cable is not included in the package.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eCharging Current Limitation\u003c\/h3\u003e\n\u003cp\u003eThe charging current can be limited using the LC connection. This is useful, for example, in installations where it is not desirable to use the full power of the charger or where it is necessary to reduce the load on the alternator.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe LC cable is not included in the package.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eBattery Protection\u003c\/h3\u003e\n\u003cp\u003eRenogy CORE features several electronic protections that monitor both the charger and the connected battery system.\u003c\/p\u003e\n\u003cp\u003eIt also supports an external temperature sensor, which allows charging to be adjusted according to battery temperature.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe temperature sensor is not included in the package and is not intended for use with lithium batteries.\u003c\/strong\u003e\u003c\/p\u003e","brand":"karavanypro","offers":[{"title":"Default Title","offer_id":62982706069834,"sku":null,"price":4490.0,"currency_code":"CZK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/3603\/2074\/files\/Snimekobrazovky2026-08-17v20.20.33.png?v=1786991043","url":"https:\/\/www.pimpyourvan.cz\/en\/products\/renogy-core-12v-40a-dc-dc-nabijecka","provider":"Pimp Your Van","version":"1.0","type":"link"}