{"product_id":"renogy-core-300a-battery-shunt-with-bluetooth","title":"Renogy CORE 300A Battery Shunt with Bluetooth","description":"\u003ch2\u003eShort Product Summary\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eRenogy CORE 300A Battery Shunt with Bluetooth\u003c\/strong\u003e is a smart battery monitor that measures your battery's voltage and current and reports accurate \u003cstrong\u003estate-of-charge\u003c\/strong\u003e straight to your phone over Bluetooth. Compatible with the Renogy ONE Core and DC Home app, it's the precise, no-guesswork way to keep an eye on your 12V power system.\u003c\/p\u003e\n\u003ch2\u003eWhy This Product\u003c\/h2\u003e\n\u003cp\u003eVoltage alone is a poor guide to how much battery you have left. A shunt measures the actual current flowing in and out, so you get a true state-of-charge — essential for off-grid setups where you need to know exactly how much power remains before the lights go out.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e300A continuous measurement\u003c\/strong\u003e – suitable for typical 12V house systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBluetooth LE + BLE Mesh\u003c\/strong\u003e – monitor in real time via the DC Home app.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRenogy ONE Core compatible\u003c\/strong\u003e – integrates into the Renogy smart ecosystem.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh accuracy\u003c\/strong\u003e – current to ±1% (0.01A resolution), voltage to 10mV resolution.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature monitoring\u003c\/strong\u003e – built-in sensing across −20 to 80 °C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; light\u003c\/strong\u003e – 134 × 97 × 31 mm, just 260 g.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eIdeal For\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaravan, trailer \u0026amp; camper 12V systems\u003c\/strong\u003e wanting true state-of-charge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOff-grid and overlanding setups\u003c\/strong\u003e that need accurate battery data\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eAnyone building a Renogy ONE smart power system\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eLocal Support from 4Matt Campers\u003c\/h2\u003e\n\u003cp\u003e4Matt Campers serves the \u003cstrong\u003eWestern Cape\u003c\/strong\u003e and \u003cstrong\u003eCape Town\u003c\/strong\u003e, and ships across South Africa — helping clients build reliable 12V and off-grid power systems. We'll help you wire and set up your battery monitoring correctly.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Renogy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e RSHST-B02P300-G1-SA (CORE Series)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Continuous Current:\u003c\/strong\u003e 300 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage Range:\u003c\/strong\u003e 8–120 V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnectivity:\u003c\/strong\u003e Bluetooth LE \u0026amp; BLE Mesh\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApp \/ Compatibility:\u003c\/strong\u003e DC Home app · Renogy ONE Core\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccuracy:\u003c\/strong\u003e Current ±1% (0.01A resolution) · Voltage 10mV resolution\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Range:\u003c\/strong\u003e −20 to 80 °C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCabling:\u003c\/strong\u003e 2 × 1 m B+ (22 AWG) · 1.5 m temperature sensor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 134 × 97 × 31 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 260 g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 × Renogy CORE 300A Battery Shunt\u003c\/li\u003e\n\u003cli\u003eB+ cables \u0026amp; temperature sensor cable\u003c\/li\u003e\n\u003cli\u003eUser manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eOptional Fitment \/ Upgrade Notes\u003c\/h2\u003e\n\u003cp\u003eFor accurate readings, it's worth confirming:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe shunt is installed on the \u003cstrong\u003ebattery negative\u003c\/strong\u003e, with all loads\/charge sources downstream of it\u003c\/li\u003e\n\u003cli\u003eYour battery's \u003cstrong\u003ecapacity is entered\u003c\/strong\u003e in the app for correct state-of-charge\u003c\/li\u003e\n\u003cli\u003ePairing with a \u003cstrong\u003eRenogy ONE Core\u003c\/strong\u003e if you want a fixed display\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eComplete Your Setup\u003c\/h2\u003e\n\u003cp\u003eBrowse the full \u003ca href=\"\/collections\/renogy\"\u003eRenogy range\u003c\/a\u003e and \u003ca href=\"\/collections\/electrical-accessories\"\u003e12V electrical \u0026amp; power\u003c\/a\u003e gear. Pair it with a \u003ca href=\"\/collections\/lithium-batteries\"\u003elithium battery\u003c\/a\u003e and the right charging for a complete smart 12V system.\u003c\/p\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhy use a shunt instead of just a voltage readout?\u003c\/strong\u003e\u003cbr\u003eA shunt measures actual current in and out, giving a true state-of-charge — far more accurate than voltage alone, especially with lithium batteries.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it need the Renogy ONE?\u003c\/strong\u003e\u003cbr\u003eNo — it works over Bluetooth with the DC Home app on your phone, and also integrates with the Renogy ONE Core if you want a fixed display.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat size system does 300A suit?\u003c\/strong\u003e\u003cbr\u003eIt's ideal for typical 12V caravan and off-grid house systems. For very large banks, ask us about higher-rated options.\u003c\/p\u003e","brand":"Renogy","offers":[{"title":"Default Title","offer_id":47762359222457,"sku":"RSHST-B02P300-G1-SA","price":2995.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0764\/4587\/6409\/files\/01__91913.1707012265.1280.1280.jpg?v=1782225874","url":"https:\/\/www.4mattcampers.co.za\/products\/renogy-core-300a-battery-shunt-with-bluetooth","provider":"4Matt Campers","version":"1.0","type":"link"}