{"product_id":"wfco-55a-rv-converter-charger-deckmount-auto-detect-for-lead-acid-lithium-multi-stage-charging","title":"WFCO 55A RV Converter\/Charger Deckmount — Auto Detect for Lead‑Acid \u0026 Lithium, Multi‑Stage Charging","description":"\u003cstrong\u003eWFCO WF-9855 is a 55-amp deckmount RV converter\/charger that delivers clean DC power and automatically selects the correct multi-stage charging profile for lead‑acid or lithium batteries.\u003c\/strong\u003e\n\n\u003cp\u003eThe WF-9855 from WFCO is a compact, FCC-compliant converter\/charger engineered to power RV systems and maintain battery health without manual setup. Its patented Auto Detect™ technology recognizes battery chemistry and applies the appropriate charging stages, while quiet, demand-driven cooling and electronic current limiting protect both the unit and connected equipment. Built to perform at lower shore voltages and certified to UL\/CSA standards, the WF-9855 focuses on reliability and safe charging wherever you camp.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the WF-9855 keep my RV electronics running smoothly?\u003c\/h3\u003e\n\u003cp\u003eThe WF-9855 outputs up to 55 amps of regulated DC power designed to run lights, appliances, and sensitive electronics. It reduces electrical noise, so audio and video gear operate without interference, and FCC Class B compliance limits radio\/TV disturbance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e55 A continuous DC output for appliances and loads\u003c\/li\u003e\n  \u003cli\u003eClean, low-noise power suitable for sensitive devices\u003c\/li\u003e\n  \u003cli\u003eCooling fan that runs only when needed to reduce noise\u003c\/li\u003e\n  \u003cli\u003eFCC Class B compliance to prevent signal interference\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat charging features protect and extend my battery life?\u003c\/h3\u003e\n\u003cp\u003eWFCO’s intelligent multi-stage charging handles bulk, absorption, and float phases to support proper battery conditioning. The Auto Detect™ system automatically identifies lead‑acid versus lithium chemistries and applies the correct voltage and charge profile—no switches or manual selection required.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAutomatic bulk (14.4 V range), absorption (13.6 V range), and float (13.2 V range)\u003c\/li\u003e\n  \u003cli\u003ePatented Auto Detect™ recognizes lead acid or LiFePO4 batteries\u003c\/li\u003e\n  \u003cli\u003eElectronic current limiting protects against overloads and short circuits\u003c\/li\u003e\n  \u003cli\u003eMulti-stage charging helps reduce overcharging and sulfation risks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this converter work reliably at low campground voltages?\u003c\/h3\u003e\n\u003cp\u003eThe WF-9855 is specified to deliver full output even when input voltage is as low as 100 VAC, addressing a common RV campground problem. That means faster, more consistent charging and stable system performance when shore power is weak.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMaintains full output down to 100 VAC input\u003c\/li\u003e\n  \u003cli\u003ePrevents slow charge rates caused by low shore voltage\u003c\/li\u003e\n  \u003cli\u003eImproves appliance and system reliability in marginal power sites\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat safety and compliance credentials does the WF-9855 have?\u003c\/h3\u003e\n\u003cp\u003eWFCO designs the WF-9855 to meet recognized safety and emissions standards to protect both users and equipment. Certifications and features support long-term reliability and safe operation in mobile environments.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUL and CSA listed for safety and performance\u003c\/li\u003e\n  \u003cli\u003eFCC Class B compliant for electromagnetic emissions\u003c\/li\u003e\n  \u003cli\u003eElectronic short- and overload protection with automatic shutdown\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: The WF-9855 is aimed at RV owners, installers, and OEMs who need a dependable deckmount converter\/charger that supports both lead‑acid and lithium battery banks without user intervention. It's also a strong choice for those who frequently camp where shore power is unstable, or anyone requiring quiet operation and industry-standard certifications for peace of mind.\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: Does the WF-9855 automatically charge lithium batteries?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—Auto Detect™ recognizes LiFePO4 and lead‑acid batteries and selects the correct multi‑stage charging profile automatically.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can the unit maintain full output with low shore power?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the WF-9855 is designed to deliver full output down to 100 VAC input for reliable charging at low campground voltages.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"WFCO","offers":[{"title":"Default Title","offer_id":67585451360441,"sku":"B0B48C7RRF","price":553.28,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/wfco-wf-9855-front-panel.jpg?v=1790470733","url":"https:\/\/redleafauto.ca\/products\/wfco-55a-rv-converter-charger-deckmount-auto-detect-for-lead-acid-lithium-multi-stage-charging","provider":"Redleaf Auto","version":"1.0","type":"link"}