{"product_id":"onylraep-wf-8955-55a-power-converter-replacement-dual-lead-acid-lithium-charging-quiet-on-demand-cooling","title":"Onylraep WF-8955 55A Power Converter Replacement — Dual Lead‑Acid\/Lithium Charging, Quiet On‑Demand Cooling","description":"\u003cp\u003e\u003cstrong\u003eThe Onylraep Upgrade WF-8955 power converter is a drop-in 55A replacement for WF-8955 and Parallax 7155\/7145 units, supporting both lead-acid and lithium batteries with automatic detection and quiet, on-demand cooling.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis compact converter replaces common RV power center modules and brings selectable battery chemistry, three-stage charging, and built-in protections for safe, reliable charging in trailers, campers, and motorhomes. Designed to fit WF-8955PEC installations, it mounts with four screws and connects with five wires, making it a straightforward hardware upgrade for owners who want modern charging features without rewiring.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the converter handle different battery types?\u003c\/h3\u003e\n\u003cp\u003eThe unit includes a manual switch plus automatic detection to accommodate lead-acid and lithium battery banks. Set the red switch to the lithium position for lithium charging parameters or to the opposite end for lead-acid; the circuitry will manage charging behavior accordingly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRed two-position switch: lithium or lead-acid modes\u003c\/li\u003e\n  \u003cli\u003eAutomatic detection support reduces user guesswork\u003c\/li\u003e\n  \u003cli\u003eThree-stage charging adapts to battery state for better longevity\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill the fan be noisy or run constantly?\u003c\/h3\u003e\n\u003cp\u003eThe cooling fan is governed by temperature and load, so it remains quiet at light loads and only activates when cooling is required. This reduces constant noise and improves overall efficiency, while still protecting the converter under higher loads or elevated ambient temperatures.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOn-demand fan control prevents unnecessary noise\u003c\/li\u003e\n  \u003cli\u003eThermal protection engages fan at higher temperatures\u003c\/li\u003e\n  \u003cli\u003eReduces wear by running the fan only when needed\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat safety features protect my RV electrical system?\u003c\/h3\u003e\n\u003cp\u003eBuilt-in protections safeguard the converter and connected batteries from common electrical faults. The device includes over-current, over-temperature, over-voltage, and reverse-polarity protection, plus electronic current limiting to shut down during overload or short-circuit events.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOver-current and electronic current limiting for fault response\u003c\/li\u003e\n  \u003cli\u003eOver-temperature protection prevents thermal damage\u003c\/li\u003e\n  \u003cli\u003eReverse polarity and over-voltage safeguards protect battery and wiring\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow simple is installation and compatibility with existing systems?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for owners replacing a WF-8955 or Parallax 7155\/7145 converter: four screws and five wires are all that’s required. The form factor and wiring match common WF-8955PEC setups so the module fits without extensive modifications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect fit for WF-8955 and Parallax 7155\/7145 replacements\u003c\/li\u003e\n  \u003cli\u003eMounts with four screws and connects with five wires\u003c\/li\u003e\n  \u003cli\u003eClear labeling and common terminal layout for easy swap-in\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? RV owners, technicians and DIYers seeking a dependable 55-amp replacement converter that supports modern battery chemistries will appreciate this Onylraep WF-8955 unit. It’s aimed at users who want a hassle-free upgrade that adds lithium compatibility, smarter three-stage charging, and robust protections while maintaining a quiet, efficient operation. If you need a plug-and-play replacement for WF-8955PEC or Parallax 7155\/7145 power centers that reduces noise and improves battery management, this model delivers practical features without extensive rewiring. For best results, disconnect power before installation and ensure wiring is snug; contact Onylraep support for any fit or performance questions after purchase.\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: Is this converter compatible with my WF-8955PEC or Parallax 7155?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It's a 55A drop-in replacement designed to fit WF-8955PEC and Parallax 7145\/7155 configurations with the same mounting and wiring layout.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does it support lithium batteries safely?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Set the red switch to the lithium position; the unit supports lithium charging mode with three-stage charging and necessary protections.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Onylraep","offers":[{"title":"Default Title","offer_id":48080818765982,"sku":"B0G6ZNYMX9","price":112.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/onylraep-wf-8955-front-panel.jpg?v=1785788871","url":"https:\/\/northtrailauto.ca\/products\/onylraep-wf-8955-55a-power-converter-replacement-dual-lead-acid-lithium-charging-quiet-on-demand-cooling","provider":"North Trail Auto","version":"1.0","type":"link"}