{"product_id":"sdanbom-wf-9855-55a-rv-power-converter-12v-dc-output-lead-acid-lithium-selectable-charging","title":"sdanbom WF-9855 55A RV Power Converter — 12V DC Output, Lead-Acid \u0026 Lithium Selectable Charging","description":"\u003cb\u003eThe sdanbom WF-9855 is a 55-amp RV power converter that converts 110VAC to 12VDC and supports selectable lead-acid or lithium battery charging modes.\u003c\/b\u003e\n\n\u003cp\u003eDesigned as a drop-in replacement for many WF-9800 series converters, the WF-9855 delivers up to 55 amps of DC output while offering a selectable charging profile for lead-acid and lithium batteries, integrated protections, and a smart cooling fan that runs only when needed. It’s built to power house batteries and 12V circuits in trailers, campers, and motorhomes without introducing interference to radios or TVs.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the WF-9855 handle both lead-acid and lithium batteries?\u003c\/h3\u003e\n\u003cp\u003eThe converter includes two distinct charging modes selectable with a push button and indicated by an LED. Pressing the button switches the unit into lithium mode (LED off); leaving it unpressed keeps the converter in lead-acid mode (LED on). This lets you use the same power converter after upgrading battery chemistry or when servicing mixed-battery systems.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePush-button mode switch for easy selection\u003c\/li\u003e\n  \u003cli\u003eLED indicator shows current charging mode\u003c\/li\u003e\n  \u003cli\u003eAppropriate charge profiles for Pb and Li chemistries\u003c\/li\u003e\n  \u003cli\u003eWorks with common 12V RV battery banks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill the WF-9855 fit my existing WF-9800 series installation?\u003c\/h3\u003e\n\u003cp\u003eThe WF-9855 is engineered to replace many WF-9800 series converters and matches common mounting and electrical characteristics. It accepts 105–130VAC, 60Hz input and outputs up to 55A DC, making swap-outs straightforward in most trailers and camper applications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect replacement for many WF-9800 models\u003c\/li\u003e\n  \u003cli\u003eInput range 105–130VAC, 60Hz\u003c\/li\u003e\n  \u003cli\u003e55A continuous DC output capacity\u003c\/li\u003e\n  \u003cli\u003eStandard wiring layout for easy installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the WF-9855 manage heat and electrical safety?\u003c\/h3\u003e\n\u003cp\u003eThe unit uses a smart, quiet cooling fan that activates only under load when extra cooling is required, reducing noise during light use. Built-in protections guard against over-current, abnormal voltage, temperature extremes, and reverse polarity to protect both the converter and connected equipment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eThermally controlled fan for minimal noise\u003c\/li\u003e\n  \u003cli\u003eOver-current and over-voltage protection\u003c\/li\u003e\n  \u003cli\u003eTemperature monitoring to prevent overheating\u003c\/li\u003e\n  \u003cli\u003ePolarity protection to avoid installation mistakes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat technical specs matter for RV use?\u003c\/h3\u003e\n\u003cp\u003eThe WF-9855 delivers 55 amps of DC output at 12V and expects typical RV shore power between 105 and 130VAC. The unit is engineered to meet high technical standards so it won’t interfere with TV or radio reception and provides reliable DC power for lights, pumps, and accessories.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOutput current: 55 A DC\u003c\/li\u003e\n  \u003cli\u003eInput voltage: 105–130 VAC, 60 Hz\u003c\/li\u003e\n  \u003cli\u003eDesigned to minimize radio\/TV interference\u003c\/li\u003e\n  \u003cli\u003eCompatible with typical RV 12V systems and battery banks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The sdanbom WF-9855 is aimed at RV owners, mobile electricians, and fleet maintenance technicians who need a dependable, quiet, and flexible 12V power converter. It’s best for users replacing older WF-9800 series converters, upgrading battery chemistry to lithium, or standardizing converters across trailers. If you want a straightforward installation, selectable charge modes, and built-in protections for everyday RV power needs, this converter is a practical choice. For safe installation, disconnect shore power first and ensure all wiring is tight; contact sdanbom support for troubleshooting, warranty, or compatibility questions.\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 the WF-9855 charge lithium and lead-acid batteries safely?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It has a push-button switch and LED to select lithium or lead-acid charging profiles for compatible battery banks.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the converter run its fan constantly?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. The cooling fan only runs when load or temperature requires extra cooling, reducing noise during light use.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"sdanbom","offers":[{"title":"Default Title","offer_id":67586598142137,"sku":"B0GH16TCCH","price":150.58,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/sdanbom-wf-9855-front-panel.jpg?v=1790487873","url":"https:\/\/redleafauto.ca\/products\/sdanbom-wf-9855-55a-rv-power-converter-12v-dc-output-lead-acid-lithium-selectable-charging","provider":"Redleaf Auto","version":"1.0","type":"link"}