{"product_id":"victron-energy-multiplus-ii-inverter-charger-3000va-2x120v-12v-120a-power-assist-pure-sine-output","title":"Victron Energy MultiPlus-II inverter\/charger 3000VA 2x120V 12V 120A — Power Assist, pure sine output","description":"\u003cp\u003e\u003cstrong\u003eThe Victron Energy MultiPlus-II 2x120V 3000VA 12V 120A is a combined inverter and charger that delivers uninterrupted, high-quality AC power with Power Assist for limited shore or generator sources.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe MultiPlus-II blends a pure sine wave inverter, a multi-stage battery charger and intelligent power management into a single unit built for marine, mobile and off-grid installations. Rated 3000VA with a 12V\/120A charger and dual 120V outputs, this model supports parallel and three-phase configurations for larger systems. Its rapid 20 ms transfer time ensures mains-like continuity when switching to battery power, while the Power Assist function prevents overloads by supplementing weak AC sources with battery power.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the MultiPlus-II keep devices running during a power interruption?\u003c\/h3\u003e\n\u003cp\u003eWhen AC mains or generator power drops or fails, the MultiPlus-II instantly converts DC battery power to AC with a transfer time of about 20 milliseconds. This near-instant changeover maintains operation of sensitive electronics and refrigerators without noticeable interruption.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e20 ms transfer time for seamless backup\u003c\/li\u003e\n  \u003cli\u003ePure sine wave output for sensitive equipment\u003c\/li\u003e\n  \u003cli\u003eAutomatic priority between shore, generator and battery\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat is Power Assist and when does it matter?\u003c\/h3\u003e\n\u003cp\u003ePower Assist prevents overloads of limited AC sources by adding inverter power from the battery when peak demand exceeds shore or generator capacity. This is especially useful when starting motors, air conditioners or multiple heavy loads at once.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBoosts available AC power during short peaks\u003c\/li\u003e\n  \u003cli\u003eReduces generator sizing needs and shore power trips\u003c\/li\u003e\n  \u003cli\u003eConfigurable thresholds to match system behavior\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan the unit scale for larger systems or three-phase setups?\u003c\/h3\u003e\n\u003cp\u003eYes — up to six MultiPlus-II units can run in parallel to increase continuous and surge power. For three-phase applications, three units can be configured to supply balanced three-phase output, making this model flexible for larger vessels, RVs and off-grid homes.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eParallel up to six units for higher AC capacity\u003c\/li\u003e\n  \u003cli\u003eThree-unit three-phase configuration available\u003c\/li\u003e\n  \u003cli\u003eNetworked control and AC distribution compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow robust and installation-ready is this inverter\/charger?\u003c\/h3\u003e\n\u003cp\u003eThe MultiPlus-II is engineered for demanding environments with professional-grade components and protections. It supports remote monitoring and configuration, multiple AC and DC safety features, and is intended for marine, vehicle and land-based off-grid use where reliability matters.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBuilt-in multi-stage charger and safety protections\u003c\/li\u003e\n  \u003cli\u003eRemote monitoring and firmware update capable\u003c\/li\u003e\n  \u003cli\u003eDesigned for continuous professional use in harsh environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Victron Energy MultiPlus-II 2x120V 3000VA 12V 120A is aimed at boat owners, RV users, professional installers and off-grid homeowners who need a compact, scalable inverter\/charger that handles sensitive electronics, supports temporary AC source limitations and can grow into parallel or three-phase systems. Choose this unit when seamless backup, power-peak support and flexible system expansion are priorities—without sacrificing professional-grade control and safety features.\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 is the transfer time to inverter when mains fails?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The MultiPlus-II switches to inverter power in approximately 20 milliseconds, keeping most sensitive equipment running.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I parallel multiple MultiPlus-II units?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — up to six units can operate in parallel, and three units can be configured for three-phase output.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Victron Energy","offers":[{"title":"Default Title","offer_id":67585609203897,"sku":"B0945M9NG4","price":2035.82,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/victron-multiplus-ii-front-panel.jpg?v=1790474207","url":"https:\/\/redleafauto.ca\/products\/victron-energy-multiplus-ii-inverter-charger-3000va-2x120v-12v-120a-power-assist-pure-sine-output","provider":"Redleaf Auto","version":"1.0","type":"link"}