{"product_id":"srne-mppt-solar-controller-40a-high-efficiency-powercatcher-mppt-for-off-grid-systems","title":"SRNE MPPT Solar Controller 40A High Efficiency PowerCatcher MPPT For Off-Grid Systems","description":"\u003cdiv\u003eMPPT Solar Controller 40A delivers intelligent, high-efficiency solar charging for serious off-grid setups. Designed to maximize energy harvest from photovoltaic arrays, this SRNE regulator sits between your solar panels and battery bank, ensuring your batteries charge quickly, safely, and with long-term reliability. \u003cp\u003e\u003cstrong\u003ePowerCatcher MPPT for unparalleled efficiency\u003c\/strong\u003e The controller uses PowerCatcher MPPT technology to continuously track the maximum power point of your solar panels. With an MPPT tracking efficiency up to 99.9% and a digital power platform that pushes overall energy conversion to about 98%, you’ll extract more usable energy from every sun hour. In real-world terms, this means 15%–20% higher charging efficiency compared to traditional PWM controllers, especially in partially shaded or dynamic environments.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eBroad battery compatibility with smart protection\u003c\/strong\u003e This 40A regulator supports a wide range of chemistries, including lithium batteries, gel, sealed (AGM), and vented lead-acid. It automatically identifies lead-acid battery voltage and adapts its behavior to protect the pack. An automatic charging voltage regulation function ensures the output at the battery terminal stays within the rated charging voltage during open-circuit conditions or when a lithium battery BMS signals overcharge protection. This translates to safer starts, steadier voltage, and extended battery life.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eSmart charging you can trust\u003c\/strong\u003e A built-in limited current charging mode prevents overdrive: when solar power is abundant and the charging current would exceed the rated limit, the controller automatically scales back input to keep charging current within safe, optimized levels. Temperature compensation further enhances longevity by adjusting charging and discharging parameters based on ambient temperature, so batteries endure harsh nights and seasonal swings without premature wear.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFlexible data monitoring and configuration\u003c\/strong\u003e Connect the controller to an LCD screen or a Bluetooth module to monitor real-time data and tweak parameters. You’ll see voltage, current, panel temperature estimates, battery state, and charging history at a glance, then tailor settings to fit your system’s needs—without guesswork. This balance of visibility and control helps you maximize performance while protecting your battery bank.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003ePractical use cases for real-world reliability\u003c\/strong\u003e Whether you’re powering a remote cabin, an RV, a boat, or a security\/monitoring system off the grid, the MPPT Solar Controller 40A delivers dependable energy management. It’s ideal for mid-to-large solar arrays where efficient charge control matters most, delivering calm reliability for critical loads and lifestyle applications alike.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy SRNE stands out\u003c\/strong\u003e SRNE combines robust MPPT algorithms with advanced digital power technology to deliver dependable, high-performance solar regulation. The result is predictable charging behavior, better energy yields, and longer-lived batteries, backed by a brand trusted by professionals in the solar industry.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eSmart, durable, and ready for your solar ambition\u003c\/strong\u003e From installer to DIY enthusiast, this 40A controller is designed for straightforward setup, adaptable configurations, and long service life in demanding environments. Pair with compatible panels, your preferred battery chemistry, and an optional LCD\/Bluetooth module to unlock precise control and maximum energy harvest day after day.\u003c\/p\u003e \u003cbr\u003e \u003ctable class=\"ueditorTableStyle\" border=\"5\" cellspacing=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd valign=\"top\" width=\"137\"\u003e\n\u003cp\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"394\"\u003e\n\u003cp\u003e\u003cstrong\u003eValue\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"137\"\u003e\n\u003cp\u003eModel\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"131\"\u003e\n\u003cp\u003eML2440\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"137\"\u003e\n\u003cp\u003eSystem voltage\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"394\"\u003e\n\u003cp\u003e12V\/24VAuto\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"137\"\u003e\n\u003cp\u003eNo-load loss\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"394\"\u003e\n\u003cp\u003e0.7 W to 1.2W\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"137\"\u003e\n\u003cp\u003eBattery voltage\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"394\"\u003e\n\u003cp\u003e9V to 35V\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"137\"\u003e\n\u003cp\u003eMax. solar input voltage\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"394\"\u003e\n\u003cp\u003e100V(25℃) 90V(-25℃)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"137\"\u003e\n\u003cp\u003eMax. power point voltage range\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"394\"\u003e\n\u003cp\u003eBattery Voltage+2V to 75V\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"137\"\u003e\n\u003cp\u003eRated charging current\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"131\"\u003e\n\u003cp\u003e40A\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"137\"\u003e\n\u003cp\u003eRated load current\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"394\"\u003e\n\u003cp\u003e20A\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"137\"\u003e\n\u003cp\u003eMax. capacitive load\u003c\/p\u003e\n\u003cp\u003ecapacity\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"394\"\u003e\n\u003cp\u003e10000uF\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"137\"\u003e\n\u003cp\u003eMax. photovoltaic \u003c\/p\u003e\n\u003cp\u003esysterm input power\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"131\"\u003e\n\u003cp\u003e520W\/12V\u003c\/p\u003e\n\u003cp\u003e1040W\/24V\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"137\"\u003e\n\u003cp\u003eConversion efficiency\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"394\"\u003e\n\u003cp\u003e≤98%\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"137\"\u003e\n\u003cp\u003eMPPT tracking efficiency\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"394\"\u003e\n\u003cp\u003e＞99%\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"137\"\u003e\n\u003cp\u003eTemperature\u003c\/p\u003e\n\u003cp\u003ecompensation factor\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"394\"\u003e\n\u003cp\u003e-3mv\/℃\/2V（default）\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"137\"\u003e\n\u003cp\u003eOperating temperature\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"394\"\u003e\n\u003cp\u003e-35℃ to +45℃\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"137\"\u003e\n\u003cp\u003eProtection degree\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"394\"\u003e\n\u003cp\u003eIP32\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"137\"\u003e\n\u003cp\u003eWeight\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"131\"\u003e\n\u003cp\u003e2Kg\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"137\"\u003e\n\u003cp\u003eCommunication method\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"394\"\u003e\n\u003cp\u003eRS232\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"137\"\u003e\n\u003cp\u003eAltitude\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"394\"\u003e\n\u003cp\u003e≤ 3000m\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"137\"\u003e\n\u003cp\u003eProduct dimensions\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"131\"\u003e\n\u003cp\u003e238*173*72.5mm\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"SRNE","offers":[{"title":"Default Title","offer_id":49892864327965,"sku":"ML2440","price":253.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0864\/1072\/3613\/files\/srne-solar-controller-mppt-solar-controller-40a-ml2440-controller-1191938557.webp?v=1784881801","url":"https:\/\/actionoutdoors.com.au\/products\/srne-mppt-solar-controller-40a-high-efficiency-powercatcher-mppt-for-off-grid-systems","provider":"Action Outdoors Limited","version":"1.0","type":"link"}