{"product_id":"renogy-dc-to-dc-mppt-charger-12v-30a-smart-on-board-multi-input-battery-charger","title":"Renogy DC-to-DC MPPT Charger 12V 30A – Smart On-Board Multi-Input Battery Charger","description":"\u003cp\u003ePowering off-grid lifestyles starts with a dependable charging solution you can trust. The Renogy DC-to-DC MPPT on-board charger is designed to manage power from both solar panels and a vehicle’s alternator, giving you flexible charging for a service battery while your starting battery stays ready for the road or water. With multi-chemistry support and smart multi-stage charging, this unit helps you keep electronics, lights, and critical gear ready without constant manual monitoring. It’s compact enough to fit tight spaces yet robust enough to handle marine, RV, and automotive environments. \u003c\/p\u003e\n\u003ch2\u003eTwo Inputs, One Smart Charger\u003c\/h2\u003e\n\u003cp\u003eThis charger acts as a smart bridge between solar input and the alternator, prioritizing solar energy when both sources are available. In practice, that means you can run your vehicle and still push power into a service battery, potentially reducing fuel use while extending off-grid capability. Real-world setups include RVs with direct panel connections, boats that balance engine charging with shore or panel power, and cars that need a reliable second battery for accessories. \u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDual-source charging for maximum uptime and flexibility\u003c\/li\u003e\n  \u003cli\u003eSolar-first behavior helps optimize energy from panels when available\u003c\/li\u003e\n  \u003cli\u003e30A continuous charging supports common 12 V battery banks\u003c\/li\u003e\n  \u003cli\u003eCompatible with lead-acid, AGM, Gel, Flooded, and Lithium chemistries\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSmart, Efficient MPPT and 3-Stage Charging\u003c\/h2\u003e\n\u003cp\u003eEquipped with a built-in Maximum Power Point Tracking (MPPT) algorithm, the charger extracts more energy from your solar array and translates it into usable charging power for the service battery. The 3-stage charging approach—Bulk, Boost, and Float—helps maintain battery health, reduces sulfation risks, and delivers a steady charging profile suitable for different chemistries. This is especially helpful for users who rely on solar during long trips or weekend getaways where power availability varies by weather. \u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMPPT optimization for higher solar conversion efficiency\u003c\/li\u003e\n  \u003cli\u003eThree-stage charging to match battery state and chemistry\u003c\/li\u003e\n  \u003cli\u003eSupports Lithium, AGM, Gel, and Flooded batteries\u003c\/li\u003e\n  \u003cli\u003eExplicit protection features to guard against over-voltages and overheating\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCompact, Durable, and Easy to Install\u003c\/h2\u003e\n\u003cp\u003eWith a footprint of just under a foot in length and a light 3.13 lb mass, this unit is designed to slip into tight spaces in vehicles, boats, and trailers. Its marine-friendly construction and solid protections support use in harsh environments without adding bulk to your electrical bay. Whether you’re upgrading an existing dual-battery system or building a fresh setup, the Renogy charger is built to handle everyday on-the-road and on-the-water realities. \u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e9.6 inches long, 5.7 inches tall, very compact for tight installs\u003c\/li\u003e\n  \u003cli\u003eRugged design suitable for RVs, boats, and cars\u003c\/li\u003e\n  \u003cli\u003eIsolation, over-voltage\/current\/temperature protections, and reverse-polarity safeguards\u003c\/li\u003e\n  \u003cli\u003eCompatibility with both traditional and smart alternators\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eMonitoring, Remote Control, and App Compatibility\u003c\/h2\u003e\n\u003cp\u003eMonitoring is straightforward and flexible. An RJ45 communication port enables data sharing with Renogy monitoring tools, while the optional BT-2 Bluetooth Module opens remote control through the Renogy DC Home App. This makes it easier to track voltage, temperature, and fault codes from a phone or base station, helping you keep tabs on battery health during trips or daily use. \u003c\/p\u003e\n\u003cp\u003eIn short, the Renogy DC-to-DC MPPT charger is about options: plug in solar, run your engine, or both, and manage a service battery with confidence. It’s a practical upgrade for anyone who values steady power, straightforward monitoring, and adaptable performance across battery types and vehicle setups.\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: What battery chemistries does the Renogy DC-DC MPPT charger support?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Supports Lithium, AGM, Gel, and Flooded batteries with multi-stage charging to suit each chemistry.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I monitor and control the charger remotely?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, via the RJ45 port and the optional BT-2 Bluetooth Module with the Renogy DC Home App.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Renogy","offers":[{"title":"Default Title","offer_id":42464498188373,"sku":"B093BB3PCV","price":237.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/renogy-dc-dc-charger-mppt.jpg?v=1777982706","url":"https:\/\/plentytorque.co.uk\/products\/renogy-dc-to-dc-mppt-charger-12v-30a-smart-on-board-multi-input-battery-charger","provider":"PlentyTorque","version":"1.0","type":"link"}