{"product_id":"powermax-pm3-55lk-rv-converter-charger-55a-deck-mount-regulated-12v-lithium-ready","title":"PowerMax PM3-55LK RV Converter Charger 55A Deck-Mount, Regulated 12V \u0026 Lithium-Ready","description":"\u003cp\u003e\u003cstrong\u003eThe PowerMax PM3-55LK is a deck-mount RV converter charger that provides regulated 12V power and up to 60A DC output while supporting adjustable lithium charging profiles.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe PM3-55LK blends a standalone converter format with multi-stage charging logic, designed to supply continuous 12V DC to coach systems and recharge battery banks. Its deck-mount layout lets you position the unit close to the battery compartment or electrical distribution for neater wiring and reduced voltage drop. Built-in safeguards such as current limiting, reverse-polarity protection and thermal shutdown help protect the converter and connected batteries under real-world RV conditions.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the PM3-55LK supply power to my RV when shore power is connected?\u003c\/h3\u003e\n\u003cp\u003eWhen you plug into shore power, the converter transforms AC input to a regulated 12V DC output to run appliances and top up batteries. It maintains steady voltage to vehicle loads while diverting charging current to the battery bank as needed.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUp to 60A DC output for coach electrical systems\u003c\/li\u003e\n  \u003cli\u003eRegulated 12V delivers stable voltage to lights, pumps, and control modules\u003c\/li\u003e\n  \u003cli\u003eStandalone deck-mount lets you install near batteries or the distribution panel\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I use this unit with lithium battery systems?\u003c\/h3\u003e\n\u003cp\u003eThe PM3-55LK includes adjustable output settings that make it compatible with properly configured lithium batteries. It’s not a dedicated lithium battery management system, so configure the charger outputs to match your battery manufacturer’s recommended charge profile and disconnect requirements.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAdjustable charging output to align with lithium charge parameters\u003c\/li\u003e\n  \u003cli\u003eWorks with lithium banks when set up with correct voltage and termination points\u003c\/li\u003e\n  \u003cli\u003eCombine with battery management or BMS for optimal lithium safety and longevity\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat protections are built into the converter to keep my system safe?\u003c\/h3\u003e\n\u003cp\u003ePowerMax built the PM3-55LK with several safety features to prevent damage from common electrical faults. These safeguards reduce risk to both the converter and the batteries, and help maintain reliable operation over time.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCurrent limiting to prevent overloads and reduce stress on wiring\u003c\/li\u003e\n  \u003cli\u003eReverse-polarity protection to guard against incorrect battery connections\u003c\/li\u003e\n  \u003cli\u003eThermal protection that reduces output or shuts down under excessive heat\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the deck-mount design benefit installation and maintenance?\u003c\/h3\u003e\n\u003cp\u003eDeck-mounting means the converter bolts directly to a flat surface inside the coach, putting it close to the battery bank and distribution panel. This shortens cable runs, simplifies cable routing, and keeps the unit accessible for monitoring and service.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMount near battery bank to minimize voltage drop and cable length\u003c\/li\u003e\n  \u003cli\u003eFlat, compact footprint fits inside cabinets or service bays\u003c\/li\u003e\n  \u003cli\u003eAccessible terminals and mounting points for straightforward wiring and inspection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: The PowerMax PM3-55LK suits RV owners, vanlifers, and fleet operators who need reliable, regulated 12V power and flexible charging for mixed battery installations. It’s a practical choice for setups requiring a standalone converter that can be mounted close to the battery bank and adjusted to support compatible lithium batteries when used with proper BMS and manufacturer-recommended settings.\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 PM3-55LK charge both lead-acid and lithium batteries?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — it supports multi-stage charging for lead-acid and adjustable outputs for compatible lithium batteries, but use a BMS and follow the battery maker’s charge settings.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is the maximum DC output of this converter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The unit delivers up to 60 amps of regulated 12V DC output for RV loads and battery charging.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"PowerMax","offers":[{"title":"Default Title","offer_id":48081424089246,"sku":"B01N4KZV3P","price":204.5,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/powermax-pm3-55lk-front-panel.jpg?v=1785803680","url":"https:\/\/northtrailauto.ca\/products\/powermax-pm3-55lk-rv-converter-charger-55a-deck-mount-regulated-12v-lithium-ready","provider":"North Trail Auto","version":"1.0","type":"link"}