{"product_id":"victron-smartshunt-300a-ip65-battery-monitor-bluetooth","title":"Victron SmartShunt 300A\/50mV IP65 Battery Monitor — Waterproof, Bluetooth, 6.5–70V","description":"\u003cp\u003e\u003cstrong\u003eThe Victron SmartShunt 300A IP65 is the compact, waterproof battery monitor\u003c\/strong\u003e — sized for smaller 12V systems but built into a sealed enclosure that survives engine rooms, exterior battery compartments, and outdoor solar combiner boxes. Same Victron measurement firmware and same ±0.4% accuracy as the larger shunts, in the smallest, cheapest sealed package Victron makes.\u003c\/p\u003e\n\n\u003cp\u003eNo display — your phone is the screen via Bluetooth and the free VictronConnect app. View real-time state-of-charge, voltage, current, power, time-remaining, and 30 days of historical trend data.\u003c\/p\u003e\n\n\u003ch2\u003eIP65 vs standard SmartShunt 300A — which one?\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eIP65 (this model)\u003c\/th\u003e\n\u003cth\u003eStandard IP21\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eSHU065130050\u003c\/td\u003e\n\u003ctd\u003eSHU050130050\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eEnclosure rating\u003c\/td\u003e\n\u003ctd\u003eIP65 (dust-tight, water spray)\u003c\/td\u003e\n\u003ctd\u003eIP21 (indoor \/ dry mounting)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eMarine engine compartment\u003c\/td\u003e\n\u003ctd\u003eYes — recommended\u003c\/td\u003e\n\u003ctd\u003eNot recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eOutdoor \/ unsealed install\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eIndoor \/ cabin mounting\u003c\/td\u003e\n\u003ctd\u003eWorks fine but overkill\u003c\/td\u003e\n\u003ctd\u003eRecommended\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eCurrent capacity\u003c\/td\u003e\n\u003ctd\u003e±300A\u003c\/td\u003e\n\u003ctd\u003e±300A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eMeasurement accuracy\u003c\/td\u003e\n\u003ctd\u003e±0.4%\u003c\/td\u003e\n\u003ctd\u003e±0.4%\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003ePrice\u003c\/td\u003e\n\u003ctd\u003e$85.85\u003c\/td\u003e\n\u003ctd\u003e$85.85\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eVictron prices IP65 and IP21 the same on the 300A.\u003c\/strong\u003e If there's any chance the shunt will see moisture, dust, or salt air, choose the IP65 — there's no cost penalty.\u003c\/p\u003e\n\n\u003ch2\u003eIs 300A enough for my system?\u003c\/h2\u003e\n\u003cp\u003eThe shunt has to handle peak current — usually driven by your inverter on discharge.\u003c\/p\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003cth\u003eInverter size (12V)\u003c\/th\u003e\n\u003cth\u003ePeak current\u003c\/th\u003e\n\u003cth\u003e300A shunt suitable?\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e1000W\u003c\/td\u003e\n\u003ctd\u003e~83A continuous, ~170A surge\u003c\/td\u003e\n\u003ctd\u003eYes — comfortable headroom\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e1500W\u003c\/td\u003e\n\u003ctd\u003e~125A continuous, ~250A surge\u003c\/td\u003e\n\u003ctd\u003eYes — close to limit, fine for most use\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e2000W\u003c\/td\u003e\n\u003ctd\u003e~167A continuous, ~330A surge\u003c\/td\u003e\n\u003ctd\u003eBorderline — surges can clip; consider 500A IP65\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e3000W\u003c\/td\u003e\n\u003ctd\u003e~250A continuous, ~500A surge\u003c\/td\u003e\n\u003ctd\u003eNo — choose the 500A IP65 or 1000A IP65\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhy the SmartShunt 300A IP65\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIP65 sealed enclosure\u003c\/strong\u003e — dust-tight and rated against low-pressure water spray from any direction. Survives engine room humidity, salt spray, and outdoor weather.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSame accuracy as the BMV-712\u003c\/strong\u003e — ±0.4% precision on lithium, AGM, gel, and flooded batteries.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBluetooth built-in\u003c\/strong\u003e — pair directly with VictronConnect on iPhone or Android.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTrue state-of-charge\u003c\/strong\u003e — counts every amp in and out for fuel-gauge accuracy, not voltage guessing.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVE.Direct port for Cerbo GX\u003c\/strong\u003e — plug into a Cerbo GX for full system integration and VRM Portal remote monitoring.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVE.Smart Networking\u003c\/strong\u003e — shares battery data wirelessly with other Victron devices to coordinate charging.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProgrammable auxiliary input\u003c\/strong\u003e — temperature, midpoint voltage, or second battery monitoring.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact install footprint\u003c\/strong\u003e — smaller physical shunt, easier to fit in tight engine bays and battery compartments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat's in the box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eSmartShunt 300A \/ 50mV IP65 precision shunt with built-in electronics and Bluetooth\u003c\/li\u003e\n  \u003cli\u003eBattery cable with M10 fuse holder\u003c\/li\u003e\n  \u003cli\u003eUTP cable for auxiliary input\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003cth\u003eBattery voltage range\u003c\/th\u003e\n\u003ctd\u003e6.5–70 VDC (works on 12V, 24V, 48V systems)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eCurrent measurement range\u003c\/th\u003e\n\u003ctd\u003e-300 to +300A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eShunt rating\u003c\/th\u003e\n\u003ctd\u003e300A \/ 50mV\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eAccuracy\u003c\/th\u003e\n\u003ctd\u003e±0.4%\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eResolution\u003c\/th\u003e\n\u003ctd\u003e10 mA \/ 0.01V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eBluetooth\u003c\/th\u003e\n\u003ctd\u003eBuilt-in (VictronConnect app)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eVE.Direct port\u003c\/th\u003e\n\u003ctd\u003eYes (for Cerbo GX integration)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eVE.Smart Networking\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eAuxiliary input\u003c\/th\u003e\n\u003ctd\u003eTemperature \/ midpoint \/ second battery voltage\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eDisplay\u003c\/th\u003e\n\u003ctd\u003eNone — uses your phone via Bluetooth\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eEnclosure rating\u003c\/th\u003e\n\u003ctd\u003eIP65 (dust-tight, water spray protected)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eOperating temperature\u003c\/th\u003e\n\u003ctd\u003e-40°C to +50°C (-40°F to +122°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eManufacturer SKU\u003c\/th\u003e\n\u003ctd\u003eSHU065130050\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003e5 years (manufacturer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eRecommended applications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMarine\u003c\/strong\u003e — small sailboats, day-sailers, fishing boats with the shunt mounted near the engine or in the lazarette\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVan life\u003c\/strong\u003e — engine bay or wheel-well mounted, where humidity and road spray are concerns\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSmall RV \/ teardrop trailer\u003c\/strong\u003e — exterior battery compartment installs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutdoor solar\u003c\/strong\u003e — small ground-mount or shed-mount systems with weather-exposed combiner\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTrolling motors\u003c\/strong\u003e — bass boats with the shunt mounted in the bow battery box\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOff-grid pump shed\u003c\/strong\u003e — well pumps, irrigation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eEvery Jonsson Tech order ships within 5 days nationwide from our Houston, Texas warehouse. Free pre-purchase sizing consultation — call \u003cstrong\u003e346-574-9652\u003c\/strong\u003e or email \u003ca href=\"mailto:support@jonssontech.net\"\u003esupport@jonssontech.net\u003c\/a\u003e with your inverter and battery specs and we'll confirm the right shunt before you buy.\u003c\/p\u003e","brand":"Victron Energy","offers":[{"title":"Default Title","offer_id":48191194333403,"sku":"SHU065130050","price":85.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/3200\/9947\/files\/Smartip65300.jpg?v=1769429849","url":"https:\/\/www.jonssontech.net\/products\/victron-smartshunt-300a-ip65-battery-monitor-bluetooth","provider":"Jonsson Tech LLC ","version":"1.0","type":"link"}