{"product_id":"renogy-battery-shunt-300-remote-battery-monitor-8-120v-up-to-500a-with-bluetooth-and-temp-probe","title":"Renogy Battery Shunt 300 — Remote Battery Monitor 8–120V up to 500A with Bluetooth and Temp Probe","description":"\u003cp\u003e\u003cstrong\u003eThe Renogy Battery Shunt 300 is a high-precision current sensor and remote monitoring module that measures battery voltage, current, and state-of-charge for 8V–120V systems up to 500A.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis compact shunt pairs with the Renogy DC Home app and Renogy ONE remote to give you live and historical battery data for lead acid (AGM, GEL), lithium iron phosphate (LiFePO4), lithium-ion, and Ni‑MH batteries. It logs charge and discharge events, reports temperatures via an included sensor, and transmits readings over Bluetooth to help you understand how your battery bank is performing without being physically present at the installation.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the Renogy Battery Shunt 300 track battery performance?\u003c\/h3\u003e\n\u003cp\u003eThe shunt measures current flow through a low-resistance resistor and combines that with voltage and temperature readings to calculate state-of-charge and energy throughput. It continually updates readings so you can see both instant values and accumulated amp-hours over time.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-precision current sensing up to 500 A continuous\u003c\/li\u003e\n  \u003cli\u003eVoltage measurement across 8 V to 120 V systems\u003c\/li\u003e\n  \u003cli\u003eTemperature probe for safer, more accurate capacity calculations\u003c\/li\u003e\n  \u003cli\u003eRecords historical charge\/discharge events for trend analysis\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat connectivity and remote features are available?\u003c\/h3\u003e\n\u003cp\u003eThe module uses Bluetooth to communicate with Renogy’s DC Home app and is compatible with Renogy ONE (except Renogy ONE M1). Through the app you can view live metrics, review stored logs, and receive alerts when readings fall outside expected ranges.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBluetooth pairing to DC Home app for mobile monitoring\u003c\/li\u003e\n  \u003cli\u003eRemote access via Renogy ONE hub (not compatible with ONE M1)\u003c\/li\u003e\n  \u003cli\u003ePush alerts for abnormal voltage, current, or temperature\u003c\/li\u003e\n  \u003cli\u003eHistorical data export\/viewing for diagnostics\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich battery types and system setups does it support?\u003c\/h3\u003e\n\u003cp\u003eThis shunt is designed to be battery-chemistry agnostic and works with starter and house batteries commonly used in RVs, marine, off-grid and backup power systems. It supports multiple chemistries so you can monitor mixed systems or replace batteries without changing the sensor hardware.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with lead acid varieties: AGM and GEL\u003c\/li\u003e\n  \u003cli\u003eWorks with lithium iron phosphate (LiFePO4) and lithium-ion batteries\u003c\/li\u003e\n  \u003cli\u003eSupports nickel-metal hydride (Ni‑MH) cells\u003c\/li\u003e\n  \u003cli\u003eSuitable for single-battery banks or multi-battery installations within voltage range\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow is the device installed and what should I watch for?\u003c\/h3\u003e\n\u003cp\u003eInstallation involves wiring the shunt in series with the battery negative, connecting the voltage sense and temperature probe, and pairing the unit to the app. Proper cable sizing, tight torque on terminals, and correct orientation are important for accurate readings and safe operation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePlace shunt in the battery negative line between battery and loads\/chargers\u003c\/li\u003e\n  \u003cli\u003eUse appropriately rated cables and secure terminal connections\u003c\/li\u003e\n  \u003cli\u003eMount temperature probe in firm contact with battery case for best accuracy\u003c\/li\u003e\n  \u003cli\u003eConfirm Bluetooth pairing and system voltage range before full use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Renogy Battery Shunt 300 is aimed at DIY solar installers, RV and marine owners, and anyone running off-grid or backup power who wants precise, remote visibility into battery health and energy flow. It suits system builders who need accurate amp-hour accounting for management, maintenance, and troubleshooting, and who require compatibility across common battery chemistries. Note: not currently compatible with Renogy ONE M1; verify app and hub compatibility before purchase.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What voltage and current ranges does the Renogy Battery Shunt 300 support?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It measures 8 V to 120 V systems and senses currents up to 500 A continuous.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this shunt with LiFePO4 and AGM batteries?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It’s compatible with LiFePO4, lithium-ion, AGM, GEL, and Ni‑MH batteries.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Renogy","offers":[{"title":"Default Title","offer_id":48082871779486,"sku":"B0CNJWZCCY","price":184.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/renogy-shunt300-front-panel.jpg?v=1785817284","url":"https:\/\/northtrailauto.ca\/products\/renogy-battery-shunt-300-remote-battery-monitor-8-120v-up-to-500a-with-bluetooth-and-temp-probe","provider":"North Trail Auto","version":"1.0","type":"link"}