{"product_id":"the-island-current-yh-36kw-hybrid-solar-inverter","title":"The Island Current | Y\u0026H 3.6KW Hybrid Solar Inverter, 24V to 110V Pure Sine Wave","description":"\u003cdiv class=\"product-narrative\"\u003e\n\u003cp\u003eSome Buildings Will Never Wait for the Grid. A workshop, a container office, a cabin on a site where the utility connection is months away, a boat, a rural property that loses power every storm season. What those places need is not simply a larger battery but an inverter that can accept energy from wherever it happens to exist and hand it back in the shape the equipment expects.\u003c\/p\u003e\n\u003cp\u003eThree sources, one enclosure. The NM-ECO combines inverter, solar charger and battery charger in a single unit. It takes 24V DC from a battery bank, 110V or 120V from the grid or a generator, and DC from an array through a built-in 120A MPPT charge controller with a maximum photovoltaic voltage of 500V. It will also run without a battery at all, which matters when the panels are installed before the bank is funded.\u003c\/p\u003e\n\u003cp\u003ePure sine wave rather than an approximation of one. Output is a true sine wave at 50 or 60Hz, which is what motor loads, pumps, compressors and anything with a switching supply should be given. A 6.25-inch LCD with front-panel buttons sets charging current, AC or solar priority, and acceptable input voltage without a laptop on the site.\u003c\/p\u003e\n\u003cp\u003eBuilt to be maintained rather than replaced. Four dissipation surfaces manage heat, and over-load, over-temperature and output short-circuit protection are all present alongside a cold-restart function and automatic lithium battery activation. Communication runs over RS232 or RS485 with optional Wi-Fi monitoring, and one button returns the unit to factory settings when a setting has been chased too far.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThe grid is a convenience. This is the assumption that the lights stay on without it.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-features\" style=\"margin-top:30px;\"\u003e\n\u003ch3 style=\"font-size:20px;margin-bottom:14px;\"\u003eWhat the Island Current Carries\u003c\/h3\u003e\n\u003cul style=\"list-style:none;padding:0;margin:0;\"\u003e\n\u003cli style=\"padding:8px 0;border-bottom:1px solid #f2f2f2;\"\u003e✦ Hybrid inverter, solar charger and battery charger in one enclosure\u003c\/li\u003e\n\u003cli style=\"padding:8px 0;border-bottom:1px solid #f2f2f2;\"\u003e✦ 3.6KW rated output running from a 24V DC battery bank\u003c\/li\u003e\n\u003cli style=\"padding:8px 0;border-bottom:1px solid #f2f2f2;\"\u003e✦ 110V and 120V AC dual output in a true pure sine wave\u003c\/li\u003e\n\u003cli style=\"padding:8px 0;border-bottom:1px solid #f2f2f2;\"\u003e✦ Built-in 120A MPPT solar charge controller with 500V maximum PV voltage\u003c\/li\u003e\n\u003cli style=\"padding:8px 0;border-bottom:1px solid #f2f2f2;\"\u003e✦ Runs without a battery for daytime photovoltaic-only operation\u003c\/li\u003e\n\u003cli style=\"padding:8px 0;border-bottom:1px solid #f2f2f2;\"\u003e✦ 6.25-inch LCD with front-panel button configuration\u003c\/li\u003e\n\u003cli style=\"padding:8px 0;border-bottom:1px solid #f2f2f2;\"\u003e✦ Configurable AC or battery input priority\u003c\/li\u003e\n\u003cli style=\"padding:8px 0;border-bottom:1px solid #f2f2f2;\"\u003e✦ RS232 and RS485 communication with optional Wi-Fi monitoring\u003c\/li\u003e\n\u003cli style=\"padding:8px 0;border-bottom:1px solid #f2f2f2;\"\u003e✦ Over-load, over-temperature and output short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-specs\" style=\"margin-top:30px;\"\u003e\n\u003ch3 style=\"font-size:20px;margin-bottom:14px;\"\u003eSystem Record\u003c\/h3\u003e\n\u003cul style=\"list-style:none;padding:0;margin:0;\"\u003e\n\u003cli style=\"border-bottom:1px solid #eee;padding:10px 0;\"\u003e\n\u003cstrong\u003eModel number:\u003c\/strong\u003e NM-ECO\u003c\/li\u003e\n\u003cli style=\"border-bottom:1px solid #eee;padding:10px 0;\"\u003e\n\u003cstrong\u003eRated output power:\u003c\/strong\u003e 3.6KW\u003c\/li\u003e\n\u003cli style=\"border-bottom:1px solid #eee;padding:10px 0;\"\u003e\n\u003cstrong\u003eBattery voltage:\u003c\/strong\u003e 24V DC\u003c\/li\u003e\n\u003cli style=\"border-bottom:1px solid #eee;padding:10px 0;\"\u003e\n\u003cstrong\u003eAC output voltage:\u003c\/strong\u003e 110V \/ 120V, dual output\u003c\/li\u003e\n\u003cli style=\"border-bottom:1px solid #eee;padding:10px 0;\"\u003e\n\u003cstrong\u003eOutput waveform:\u003c\/strong\u003e Pure sine wave\u003c\/li\u003e\n\u003cli style=\"border-bottom:1px solid #eee;padding:10px 0;\"\u003e\n\u003cstrong\u003eOutput frequency:\u003c\/strong\u003e 50Hz \/ 60Hz\u003c\/li\u003e\n\u003cli style=\"border-bottom:1px solid #eee;padding:10px 0;\"\u003e\n\u003cstrong\u003eSolar charge controller:\u003c\/strong\u003e Built-in MPPT, 120A\u003c\/li\u003e\n\u003cli style=\"border-bottom:1px solid #eee;padding:10px 0;\"\u003e\n\u003cstrong\u003eMaximum PV voltage:\u003c\/strong\u003e 500V\u003c\/li\u003e\n\u003cli style=\"border-bottom:1px solid #eee;padding:10px 0;\"\u003e\n\u003cstrong\u003eMaximum charging current, AC and solar combined:\u003c\/strong\u003e 120A\u003c\/li\u003e\n\u003cli style=\"border-bottom:1px solid #eee;padding:10px 0;\"\u003e\n\u003cstrong\u003eBattery-free operation:\u003c\/strong\u003e Supported\u003c\/li\u003e\n\u003cli style=\"border-bottom:1px solid #eee;padding:10px 0;\"\u003e\n\u003cstrong\u003eMonitoring:\u003c\/strong\u003e RS232 \/ RS485, optional Wi-Fi\u003c\/li\u003e\n\u003cli style=\"border-bottom:1px solid #eee;padding:10px 0;\"\u003e\n\u003cstrong\u003eProtection:\u003c\/strong\u003e Over-load, over-temperature, output short-circuit\u003c\/li\u003e\n\u003cli style=\"border-bottom:1px solid #eee;padding:10px 0;\"\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 50.5 x 42.5 x 8.5cm\u003c\/li\u003e\n\u003cli style=\"border-bottom:1px solid #eee;padding:10px 0;\"\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 9.7kg\u003c\/li\u003e\n\u003cli style=\"border-bottom:1px solid #eee;padding:10px 0;\"\u003e\n\u003cstrong\u003eCertification:\u003c\/strong\u003e CE\u003c\/li\u003e\n\u003cli style=\"border-bottom:1px solid #eee;padding:10px 0;\"\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-applications\" style=\"margin-top:30px;\"\u003e\n\u003ch3 style=\"font-size:20px;margin-bottom:14px;\"\u003eWhere the Island Current Is Installed\u003c\/h3\u003e\n\u003cp\u003eThe installer who specifies this unit is usually solving one of five problems. An off-grid cabin or container office that needs 110V or 120V from a 24V bank and a modest array. A grid-tied property in a storm region that wants a battery-backed circuit for pumps, freezers and lights when the utility drops. A construction or agricultural site where the mains connection is delayed and the site still has to run. A marine or vehicle installation with a 24V house bank where a pure sine wave matters for electronics and motor loads. And increasingly, a resilience retrofit where the owner has decided that a single 3.6KW circuit is enough and does not want to rebuild the whole electrical panel. In all five cases the decisive specification is the same: a 120A MPPT controller that harvests what the array produces, and the ability to keep running from PV alone when the battery bank is not yet installed. The manufacturer's own sequence is worth following on commissioning, which is battery first, then AC or PV input, then the load, and the reverse when shutting the system down.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-faq\" style=\"margin-top:32px;\"\u003e\n\u003ch3 style=\"font-size:20px;margin-bottom:16px;\"\u003eInstaller Questions\u003c\/h3\u003e\n\u003cdiv style=\"margin-bottom:16px;\"\u003e\n\u003cp style=\"font-weight:600;margin:0 0 4px 0;\"\u003eQ: Does this inverter really work without a battery?\u003c\/p\u003e\n\u003cp style=\"margin:0;color:#555;\"\u003eA: Yes. Battery-free operation is a listed feature, which allows the unit to run from photovoltaic input during daylight hours. Be aware that without a battery the system cannot ride through a passing cloud, so treat battery-free operation as a daytime mode rather than a full off-grid design.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:16px;\"\u003e\n\u003cp style=\"font-weight:600;margin:0 0 4px 0;\"\u003eQ: What size array can the MPPT controller take?\u003c\/p\u003e\n\u003cp style=\"margin:0;color:#555;\"\u003eA: The built-in controller is rated 120A with a maximum photovoltaic voltage of 500V. Size the array to the controller's capacity rather than the panel count, and check the open-circuit voltage of your string at the coldest expected temperature before you wire it, because cold cells raise voltage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:16px;\"\u003e\n\u003cp style=\"font-weight:600;margin:0 0 4px 0;\"\u003eQ: Can it charge the battery from both the mains and the array at once?\u003c\/p\u003e\n\u003cp style=\"margin:0;color:#555;\"\u003eA: The combined maximum charging current for AC and solar is 120A. The unit manages charge priority itself, and you can configure AC or battery input priority on the front panel depending on whether you are protecting a fuel bill or a cycle life.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:16px;\"\u003e\n\u003cp style=\"font-weight:600;margin:0 0 4px 0;\"\u003eQ: What does the unit need in terms of commissioning order?\u003c\/p\u003e\n\u003cp style=\"margin:0;color:#555;\"\u003eA: The manufacturer specifies battery first, then AC input or PV input, then the load. Shut down in the reverse order, load off first, then AC or PV, then the inverter, then the battery. Following that sequence avoids the inrush conditions that cause avoidable faults.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:16px;\"\u003e\n\u003cp style=\"font-weight:600;margin:0 0 4px 0;\"\u003eQ: Will it run a well pump or an air compressor?\u003c\/p\u003e\n\u003cp style=\"margin:0;color:#555;\"\u003eA: The output is a pure sine wave, which is what motor and compressor loads should be given. The limiting factor is the starting surge rather than the running load, so give us the motor's rated and starting current and we will tell you whether a 3.6KW unit is the right size or whether you need to step up.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:16px;\"\u003e\n\u003cp style=\"font-weight:600;margin:0 0 4px 0;\"\u003eQ: Is remote monitoring possible?\u003c\/p\u003e\n\u003cp style=\"margin:0;color:#555;\"\u003eA: RS232 and RS485 are built in and Wi-Fi monitoring is available as an option. The Wi-Fi variant is a distinct configuration in this listing, so select it explicitly if you intend to monitor the system remotely rather than assuming it is included.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-promise\" style=\"margin-top:34px;padding:20px 22px;border-left:3px solid #1A3A5C;background:#f7f8fa;\"\u003e\n\u003ch3 style=\"margin-top:0;font-size:19px;\"\u003eThe EastSupplier Promise\u003c\/h3\u003e\n\u003cp style=\"margin-bottom:10px;\"\u003eEvery listing in this catalog is sourced, checked against its stated specifications, and dispatched from a supply chain we control. If a unit arrives damaged or does not match the description, we replace it or refund it, no argument.\u003c\/p\u003e\n\u003cp style=\"margin-bottom:0;\"\u003eQuestions about compatibility, bulk quantities, or delivery to your region? Our merchandising desk replies within one business day.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-gallery\" style=\"margin-top:34px;text-align:center;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S4fb12fb99b7b4e198b3a5941aa4105e7d.webp?v=1757636304\" alt=\"Y\u0026amp;H 3.6KW hybrid solar inverter with MPPT charge controller\" loading=\"lazy\" style=\"max-width:100%;height:auto;margin:14px auto;display:block;border-radius:8px;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/Sc8c0944699b248bb927ea0f722d7ea6do.webp?v=1757636304\" alt=\"Y\u0026amp;H 3.6KW hybrid solar inverter with MPPT charge controller\" loading=\"lazy\" style=\"max-width:100%;height:auto;margin:14px auto;display:block;border-radius:8px;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S989ba791552f4fcb9ec2901a457b4f89S.webp?v=1757636304\" alt=\"Y\u0026amp;H 3.6KW hybrid solar 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