{"product_id":"3-28v-15a-ideal-diode-module-anti-reverse-solar-battery-protection","title":"3–28V 15A Ideal Diode Module | Anti-Reverse Battery Charging Protection | Solar Energy Systems","description":"\u003ch2\u003e3–28V 15A Ideal Diode Module — Anti-Reverse \u0026amp; Anti-Backflow Battery Charging Protection\u003c\/h2\u003e\n\n\u003cp\u003eAn \u003cstrong\u003eideal diode module\u003c\/strong\u003e is a MOSFET-based circuit that replicates the one-way current flow of a diode — but with a dramatically lower voltage drop. A standard Schottky diode drops 0.3–0.5V at high current, wasting power as heat. This \u003cstrong\u003e3–28V 15A ideal diode module\u003c\/strong\u003e uses a low-RDS(on) MOSFET controlled by a dedicated ideal diode controller IC to achieve a forward voltage drop of just millivolts at full current — improving system efficiency, reducing heat generation, and eliminating the power loss that makes conventional diodes impractical in high-current solar and battery charging applications.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Voltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3V – 28V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15A continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eForward Voltage Drop\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMillivolts (MOSFET-based, vs. 0.3–0.5V for Schottky)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReverse Blocking\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes — prevents reverse current flow\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAnti-Backflow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes — prevents battery discharging back through solar panel at night\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eResponse Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFast (MOSFET switching, microsecond response)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSolar charging, battery protection, DC power OR-ing\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eIdeal Diode vs. Schottky Diode — Why It Matters at 15A\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eIdeal Diode Module (this product)\u003c\/th\u003e\n\u003cth\u003eSchottky Diode (e.g., MBR1545)\u003c\/th\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eForward voltage drop at 15A\u003c\/td\u003e\n\u003ctd\u003e~10–50mV\u003c\/td\u003e\n\u003ctd\u003e~450–600mV\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePower loss at 15A\u003c\/td\u003e\n\u003ctd\u003e0.15–0.75W\u003c\/td\u003e\n\u003ctd\u003e6.75–9W\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eHeat generation\u003c\/td\u003e\n\u003ctd\u003eMinimal\u003c\/td\u003e\n\u003ctd\u003eSignificant (heatsink required)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEfficiency impact\u003c\/td\u003e\n\u003ctd\u003eNegligible\u003c\/td\u003e\n\u003ctd\u003eMeasurable (especially in 12V systems)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eReverse blocking\u003c\/td\u003e\n\u003ctd\u003eYes (MOSFET gate control)\u003c\/td\u003e\n\u003ctd\u003eYes (diode junction)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eComplexity\u003c\/td\u003e\n\u003ctd\u003eModule (plug-and-play)\u003c\/td\u003e\n\u003ctd\u003eSingle component\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eIn a 12V \/ 15A solar charging system, a Schottky diode wastes up to 9W as heat — equivalent to 75% of a 12W solar panel’s output. The ideal diode module reduces this loss to under 1W.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eUltra-low forward voltage drop\u003c\/strong\u003e — millivolt-level drop vs. 0.3–0.5V for Schottky diodes at the same current\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003e15A continuous current\u003c\/strong\u003e — handles high-current solar panel and battery charging applications\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003e3–28V input range\u003c\/strong\u003e — covers 6V, 12V, and 24V battery and solar systems\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eAnti-reverse protection\u003c\/strong\u003e — prevents reverse current from damaging solar panels or power sources\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eAnti-backflow protection\u003c\/strong\u003e — prevents battery discharging back through solar panel at night or during cloud cover\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eFast MOSFET switching\u003c\/strong\u003e — microsecond response to reverse current conditions\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eNo heatsink required\u003c\/strong\u003e — minimal power dissipation eliminates the heatsink needed for equivalent Schottky diodes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSolar panel anti-backflow\u003c\/strong\u003e — prevents battery discharging through the solar panel at night\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery charging protection\u003c\/strong\u003e — prevents reverse current from damaging the charging source\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower supply OR-ing\u003c\/strong\u003e — connect multiple power supplies in parallel without cross-conduction\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery backup switching\u003c\/strong\u003e — seamless switchover from mains to battery without voltage drop\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReverse polarity protection\u003c\/strong\u003e — protects downstream circuits from accidental reverse connection\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWind turbine charge controller\u003c\/strong\u003e — prevents reverse current during low-wind conditions\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-source energy harvesting\u003c\/strong\u003e — combine solar, wind, and battery sources without cross-discharge\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWiring Guide\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003eConnect the positive terminal of your power source (solar panel, charger) to the module INPUT+.\u003c\/li\u003e\n  \u003cli\u003eConnect INPUT− to the negative terminal of your power source.\u003c\/li\u003e\n  \u003cli\u003eConnect OUTPUT+ to the positive terminal of your battery or load.\u003c\/li\u003e\n  \u003cli\u003eConnect OUTPUT− to the negative terminal of your battery or load.\u003c\/li\u003e\n  \u003cli\u003eCurrent flows freely from input to output; reverse current is blocked automatically.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this instead of a Schottky diode in my solar charge controller?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The ideal diode module is a direct functional replacement for the anti-backflow Schottky diode in solar charge controllers, with significantly lower power loss.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this module work with lithium battery systems?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The 3–28V input range covers 1S–6S lithium battery systems (3.7V–22.2V nominal). Ensure the maximum voltage does not exceed 28V.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I connect two modules in parallel for 30A?\u003c\/strong\u003e\u003cbr\u003eA: Yes. Connect two modules in parallel (input to input, output to output) to double the current capacity to 30A.\u003c\/p\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× 3–28V 15A Ideal Diode Module\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991414001899,"sku":"\u003cnone\u003e","price":12.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/3-28v-15a-ideal-diode-module-solar-battery-anti-reverse-protection.webp?v=1761965256","url":"https:\/\/keszoox.com\/products\/3-28v-15a-ideal-diode-module-anti-reverse-solar-battery-protection","provider":"Keszoox","version":"1.0","type":"link"}