{"product_id":"zk-sj30-700w-high-power-auto-boost-power-module-synchronous-rectifier-30a-solar-charging-mppt","title":"ZK-SJ30 700W High Power Auto Boost Power Module Synchronous Rectifier 30A Solar Charging MPPT","description":"\u003csection data-tufzen-geo-summary=\"v1\" class=\"tufzen-product-summary\"\u003e\u003ch2\u003eProduct Summary\u003c\/h2\u003e\n\u003cp\u003eZK-SJ30 700W High Power Auto Boost Power Module Synchronous Rectifier 30A Solar Charging is a electronics product selected for electronics repair, testing, prototyping and project work. It is suitable for electronics users, repair technicians and maker project builders who need practical electronics hardware for reliable project work.\u003c\/p\u003e\n\u003ch3\u003eBest For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eelectronics repair, testing, prototyping and project work\u003c\/li\u003e\n\u003cli\u003ebench electronics, DIY projects and maker workflows\u003c\/li\u003e\n\u003cli\u003eElectronics testing, repair, prototyping and maker workflows\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWho is this product for?\u003c\/strong\u003e It is intended for electronics users, repair technicians and maker project builders.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat should I check before buying?\u003c\/strong\u003e Review the product options, specifications, included accessories and compatibility details on this page.\u003c\/p\u003e\u003c\/section\u003e\u003cdiv class=\"detailmodule_dynamic\"\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 26px; font-family: helvetica, arial, sans-serif;\"\u003eFeatures:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"font-size: 20px; font-family: helvetica, arial, sans-serif;\"\u003e1. The use of high-quality materials, durable\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 20px; font-family: helvetica, arial, sans-serif;\"\u003e2. All screwscrewer-free potentiometers can be adjusted directly manually, which is more convenient to use\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 20px; font-family: helvetica, arial, sans-serif;\"\u003e3. Low internal resistance high-power MOS tube, increase the heat sink, stable performance of full power 700W\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 20px; font-family: helvetica, arial, sans-serif;\"\u003e4.MPPT adjust voltage real-time display, use more clear\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 20px; font-family: helvetica, arial, sans-serif;\"\u003e5. Reserve 12V fan interface for customers, free DIY\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 20px; font-family: helvetica, arial, sans-serif;\"\u003e6. Wide range of use, solar charging, battery lithium battery charging, LED constant current drive, regulated power supply and so on\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 26px;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif;\"\u003eParameter:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 20px; font-family: helvetica, arial, sans-serif;\"\u003eInput voltage range: DC6-80V\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 20px; font-family: helvetica, arial, sans-serif;\"\u003eOutput voltage range: DC1.3-78V\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 20px; font-family: helvetica, arial, sans-serif;\"\u003eVoltage display range: 1.40-80.00V (accuracy ±0.1V)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 20px; font-family: helvetica, arial, sans-serif;\"\u003eOutput current adjustment range: 0-30A\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 20px; font-family: helvetica, arial, sans-serif;\"\u003eCurrent display range: 0.00A-30.00A (accuracy +0.03A or so)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 20px; font-family: helvetica, arial, sans-serif;\"\u003eAdjusting knob: MPPT voltage regulation, output voltage regulation, output current limiting regulation\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 20px; font-family: helvetica, arial, sans-serif;\"\u003eMPPT function: Yes\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 20px; font-family: helvetica, arial, sans-serif;\"\u003eAnti-backfilling: Yes, no series diode is required for battery connection\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 20px; font-family: helvetica, arial, sans-serif;\"\u003eConstant current (current limiting) : Yes\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 20px; font-family: helvetica, arial, sans-serif;\"\u003eOver power protection: 700W, over power will turn off the output, display OPP\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 26px;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif;\"\u003eSolar cell charging steps:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 20px; font-family: helvetica, arial, sans-serif;\"\u003e1. Measure the no-load voltage of solar panels (full sunlight), calculate MPPT voltage =0.75* no-load voltage, or directly look at the Vmp parameter value of the manufacturer's panel; Pay attention to the positive and negative terminals do not connect the opposite\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 20px; font-family: helvetica, arial, sans-serif;\"\u003e2. The solar panel is connected to the power supply module, switch to the MPPT voltage display interface, adjust the MPPT potentiometer, and the value is adjusted to Vmp voltage\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 20px; font-family: helvetica, arial, sans-serif;\"\u003e3. Rotate the CV potentiometer to adjust the output voltage (the size is the floating charge voltage of the charged battery)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 20px; font-family: helvetica, arial, sans-serif;\"\u003e4. Short-circuit the output positive and negative terminals, rotate the CC potentiometer, adjust the limited current size (the size is the allowed charging current of the charged battery) if the solar panel power is too small, the MPPT light will light up when the short circuit, in order to maintain the input constant voltage, the output current will be limited, the current can only be reduced, the current value seen when the MPPT light is off is meaningful; It is recommended to adjust the current when there is sufficient sunlight or when a constant voltage source is used as an input\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 20px; font-family: helvetica, arial, sans-serif;\"\u003e5. Connect the battery to charge (pay attention to the positive and negative terminals do not connect the reverse), you can properly adjust the MPPT potentiometer, so that the module has been at the maximum power point output\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 20px; font-family: helvetica, arial, sans-serif;\"\u003eNote:\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 20px; font-family: helvetica, arial, sans-serif;\"\u003e1. Input positive and negative terminals cannot be reversed, otherwise it will burn\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 20px; font-family: helvetica, arial, sans-serif;\"\u003e2. When the output terminal is connected to the battery, do not connect the positive and negative terminals inversely, otherwise it will be burned\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 20px; font-family: helvetica, arial, sans-serif;\"\u003e3. The maximum output current 30A is limited to when the pressure difference between the input voltage and the output voltage is small and the output power does not exceed 700W. The greater the voltage difference between input and output, the lower the conversion efficiency and the more serious the heating. If the heat is too severe, reduce the power or add a 12V fan (with reserved ports and fan current less than 200mA) to assist heat dissipation\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 20px; font-family: helvetica, arial, sans-serif;\"\u003e4.MPPT voltage is generally set to 0.75 times the open circuit voltage of the solar panel, you can also see the nameplate or consult the solar panel manufacturer Vmp voltage value, Vmp voltage value is the MPPT voltage we want to set. The display can display the setting voltage adjustment at a glance, very convenient\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 20px; font-family: helvetica, arial, sans-serif;\"\u003e5 output current limit (CC) value, generally the allowable charging current of the rechargeable battery, the current setting method is: the output end directly with a wire short circuit, looking at the current display value to adjust the CC potentiometer, the display value is the current limit value (maximum output current value)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 20px; font-family: helvetica, arial, sans-serif;\"\u003e6. The product itself has an anti-backdown function, and the output end does not need to connect the anti-backdown diode when charging the battery\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 26px; font-family: helvetica, arial, sans-serif;\"\u003ePackage include:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 20px; font-family: helvetica, arial, sans-serif;\"\u003eElevating power module *1 (style optional)\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"detailmodule_dynamic\"\u003e\u003c\/div\u003e\n\u003cbr\u003e\u003cdiv\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-zk-sj30-700w-high-power-auto-boost-power-module-synchronous-rectifier-30a-solar--1.webp?v=1779201987\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg class=\"wscnph\" 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src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-zk-sj30-700w-high-power-auto-boost-power-module-synchronous-rectifier-30a-solar--5.webp?v=1779201987\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-zk-sj30-700w-high-power-auto-boost-power-module-synchronous-rectifier-30a-solar--6.webp?v=1779201987\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-zk-sj30-700w-high-power-auto-boost-power-module-synchronous-rectifier-30a-solar--7.webp?v=1779201987\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-zk-sj30-700w-high-power-auto-boost-power-module-synchronous-rectifier-30a-solar--8.webp?v=1779201987\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-zk-sj30-700w-high-power-auto-boost-power-module-synchronous-rectifier-30a-solar--9.webp?v=1779201987\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-zk-sj30-700w-high-power-auto-boost-power-module-synchronous-rectifier-30a-solar--10.webp?v=1779201987\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-zk-sj30-700w-high-power-auto-boost-power-module-synchronous-rectifier-30a-solar--11.webp?v=1779201987\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-zk-sj30-700w-high-power-auto-boost-power-module-synchronous-rectifier-30a-solar--12.webp?v=1779201987\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-zk-sj30-700w-high-power-auto-boost-power-module-synchronous-rectifier-30a-solar--13.webp?v=1779201987\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-zk-sj30-700w-high-power-auto-boost-power-module-synchronous-rectifier-30a-solar--14.webp?v=1779201987\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-zk-sj30-700w-high-power-auto-boost-power-module-synchronous-rectifier-30a-solar--15.webp?v=1779201987\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-zk-sj30-700w-high-power-auto-boost-power-module-synchronous-rectifier-30a-solar--16.webp?v=1779201987\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-zk-sj30-700w-high-power-auto-boost-power-module-synchronous-rectifier-30a-solar--17.webp?v=1779201988\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-zk-sj30-700w-high-power-auto-boost-power-module-synchronous-rectifier-30a-solar--18.webp?v=1779201987\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-zk-sj30-700w-high-power-auto-boost-power-module-synchronous-rectifier-30a-solar--19.webp?v=1779201987\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_dynamic\"\u003e\u003c\/div\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cp\u003e\u003c\/p\u003e","brand":"ZK-SJ30","offers":[{"title":"Without Display","offer_id":47666641895682,"sku":"12000039338733460","price":37.99,"currency_code":"USD","in_stock":true},{"title":"With display","offer_id":47666641928450,"sku":"12000039338733459","price":45.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/Sbbe968ee74f94c508253e4a0a9a35831K.webp?v=1776331613","url":"https:\/\/proengi.com\/products\/zk-sj30-700w-high-power-auto-boost-power-module-synchronous-rectifier-30a-solar-charging-mppt","provider":"PROENGI","version":"1.0","type":"link"}