{"product_id":"morningstar-battery-temperature-sensor","title":"Morningstar Battery Temperature Sensor","description":"\u003ch2\u003ePrecision Thermal Compensation for Off-Grid and Solar Battery Systems\u003c\/h2\u003e\n\u003cp\u003eIn Australia's diverse climate, battery banks installed in caravans, marine vessels, remote sheds, and industrial cabinets are frequently exposed to significant ambient temperature fluctuations. The \u003cstrong\u003eMorningstar Remote Temperature Sensor (RTS)\u003c\/strong\u003e provides essential real-time thermal data to your compatible Morningstar solar charge controller, allowing it to dynamically adjust charging voltage thresholds based on the exact temperature of your energy storage system.\u003c\/p\u003e\n\u003cp\u003eMorningstar recommends integrating this dedicated remote sensor whenever your battery temperature varies by more than 5°C (9°F) throughout the year. Without active temperature compensation, a charge controller relies on fixed voltage setpoints or internal ambient approximations, which rarely reflect the true core temperature of the battery bank.\u003c\/p\u003e\n\n\u003ch3\u003eThe Importance of Accurate Temperature Compensation\u003c\/h3\u003e\n\u003cp\u003eBattery chemistry is highly sensitive to thermal changes. As a battery heats up, its internal resistance decreases, requiring a lower charging voltage to prevent gassing, electrolyte loss, and thermal runaway. Conversely, when a battery is cold, its internal resistance increases, requiring a higher charging voltage to overcome sluggish chemical reactions and reach a full state of charge.\u003c\/p\u003e\n\u003cp\u003eBy mounting the sensor directly to the battery terminal, you eliminate the guesswork caused by localized heat sources, such as inverters or engine bays, that might skew a controller's internal sensor. This reduces the risk of chronic undercharging in winter and damaging overcharging during harsh Australian summers, ultimately extending the operational service life of your deep-cycle batteries.\u003c\/p\u003e\n\n\u003ch3\u003eEngineered for Harsh Environments and Reliable Connectivity\u003c\/h3\u003e\n\u003cp\u003eUnlike standard unsealed probes that can suffer from moisture ingress or poor thermal transfer, the Morningstar RTS is built inside a heavy-duty metal ring terminal lug. This allows the sensing element to be bolted directly onto the battery post, providing superior thermal conductivity and a vibration-resistant mechanical connection that will not peel off like adhesive pads.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDirect-Mount Ring Terminal:\u003c\/strong\u003e Houses the precision thermal probe within a sturdy metal lug for direct attachment to the battery terminal, ensuring accurate core temperature readings.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePre-Stripped Tinned Leads:\u003c\/strong\u003e The wire ends are pre-stripped and tinned to resist corrosion and ensure a secure, low-resistance connection inside the charge controller terminals.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Insulated Cabling:\u003c\/strong\u003e Protected by tough grey outer insulation designed to withstand routing through electrical conduit, vehicle chassis, and tight marine bulkheads.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAutomated Voltage Adjustment:\u003c\/strong\u003e Enables compatible Morningstar controllers to automatically scale absorption, float, and equalisation voltages in real time.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal Applications for the Morningstar RTS\u003c\/h3\u003e\n\u003cp\u003eWhether you are managing a recreational 12V setup or a commercial 24V or 48V off-grid installation, thermal regulation is vital when the charge controller and battery bank are located in separate compartments with different thermal profiles. This sensor is highly recommended for:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCaravans, RVs, and 4WDs:\u003c\/strong\u003e Where batteries are stored in external chassis boxes, under bonnets, or in uninsulated compartments exposed to road heat and overnight frosts.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMarine Vessels:\u003c\/strong\u003e Where battery banks are housed near warm engine rooms while the solar regulator is mounted in a cooler cabin environment.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOff-Grid Solar Sheds and Cabins:\u003c\/strong\u003e Unlined structures that experience wide seasonal temperature swings exceeding the 5°C annual threshold.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndustrial and Telecom Enclosures:\u003c\/strong\u003e Remote monitoring stations where reliability and battery longevity are critical to preventing costly site visits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProtect Your Battery Investment\u003c\/h3\u003e\n\u003cp\u003eIntegrate the Morningstar Battery Temperature Sensor into your solar charging system today to ensure accurate voltage regulation and safeguard the long-term health of your battery bank across every season.\u003c\/p\u003e","brand":"Morningstar","offers":[{"title":"Default Title","offer_id":43640023220285,"sku":"SR-RTS","price":90.6,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/3918\/3933\/files\/morningstar-remote-battery-temperature-sensor-sr-rts.png?v=1792907202","url":"https:\/\/www.solar4rvs.com.au\/products\/morningstar-battery-temperature-sensor","provider":"Solar 4 RVs","version":"1.0","type":"link"}