{"product_id":"smart-12v-80v-500a-bluetooth-battery-shunt-monitor-app","title":"Smart 12V-80V 500A Bluetooth Battery Shunt Monitor with App Data Logging for RV, Marine \u0026 LiFePO4 Off-Grid Systems","description":"\u003cstyle type=\"text\/css\"\u003e#detail_decorate_root .magic-0{border-bottom-style:solid;border-bottom-color:#53647a;font-family:Roboto;font-size:24px;color:#53647a;font-style:normal;border-bottom-width:2px;padding-top:8px;padding-bottom:4px}#detail_decorate_root .magic-1{width:750px}#detail_decorate_root .magic-2{overflow:hidden;width:750px;height:562.5px;margin-top:0;margin-bottom:0;margin-left:0;margin-right:0}#detail_decorate_root .magic-3{margin-top:0;margin-left:0;width:750px;height:562.5px}#detail_decorate_root .magic-4{width:750px;border-collapse:collapse}#detail_decorate_root .magic-5{min-height:28px;padding:5px 10px;width:294px;min-height:28px;box-sizing:content-box}#detail_decorate_root .magic-6{min-height:28px;padding:5px 10px;width:392px;min-height:28px;box-sizing:content-box}#detail_decorate_root .magic-7{margin-bottom:10px;line-height:0}#detail_decorate_root .magic-8{margin-bottom:0}#detail_decorate_root .magic-9{position:relative;width:100%}#detail_decorate_root .magic-10{overflow:hidden;width:750px;height:376.82038834951453px;margin-top:0;margin-bottom:0;margin-left:0;margin-right:0}#detail_decorate_root .magic-11{margin-top:0;margin-left:0;width:750px;height:376.82038834951453px}#detail_decorate_root .magic-12{overflow:hidden;width:750px;height:664.6266829865361px;margin-top:0;margin-bottom:0;margin-left:0;margin-right:0}#detail_decorate_root .magic-13{margin-top:0;margin-left:0;width:750px;height:664.6266829865361px}#detail_decorate_root .magic-14{overflow:hidden;width:750px;height:257.8979343863913px;margin-top:0;margin-bottom:0;margin-left:0;margin-right:0}#detail_decorate_root .magic-15{margin-top:0;margin-left:0;width:750px;height:257.8979343863913px}#detail_decorate_root .magic-16{overflow:hidden;width:750px;height:903.8461538461538px;margin-top:0;margin-bottom:0;margin-left:0;margin-right:0}#detail_decorate_root .magic-17{margin-top:0;margin-left:0;width:750px;height:903.8461538461538px}\n\u003c\/style\u003e\n\u003cdiv data-magic-global=\"%7B%22bizId%22%3A3192042982%2C%22pageId%22%3A21204164773%2C%22siteId%22%3A5005204112%7D\" id=\"detail_decorate_root\"\u003e\n\u003cdiv class=\"J_module\" module-id=\"32816872440\" module-title=\"detailProductNavigation\" render=\"true\"\u003e\n\u003cdiv class=\"magic-0\" data-section=\"AliMagic-xnvhsp\" data-section-title=\"Products Description\" id=\"ali-anchor-AliMagic-xnvhsp\"\u003e\n\u003ch2 data-path-to-node=\"16\"\u003eGFL Tech™ Smart 12V-80V 500A Bluetooth Battery Shunt Monitor\u003c\/h2\u003e\n\n\u003cp data-path-to-node=\"17\"\u003eStop guessing how much house battery power you have left. Designed for RVs, camper vans, marine vessels, and off-grid solar setups, this heavy-duty 500A smart battery shunt measures real-time current, voltage, remaining capacity (Ah), and state-of-charge (SOC). Integrated Bluetooth 5.0 streams precision battery health analytics and historical trend logs straight to your smartphone.\u003c\/p\u003e\n\n\u003ch3 data-path-to-node=\"19\"\u003eWhy DIYers \u0026amp; Rig Builders Choose This Shunt\u003c\/h3\u003e\n\n\u003cul data-path-to-node=\"20\"\u003e\n\t\u003cli\u003e\n\t\u003cp data-path-to-node=\"20,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"20,0,0\"\u003ePrecision High-Current Monitoring:\u003c\/b\u003e Includes a heavy-duty 500A brass shunt with ±1% current and voltage accuracy, ensuring reliable measurement under heavy inverter loads or high-amp alternator charging.\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp data-path-to-node=\"20,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"20,1,0\"\u003eReal-Time Bluetooth App Tracking:\u003c\/b\u003e Syncs instantly via the mobile App (iOS\/Android) to monitor instant watts, current draw, time remaining, and historical discharge cycles—no bulky dashboard cutout required.\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp data-path-to-node=\"20,2,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"20,2,0\"\u003eUltra-Wide Voltage Compatibility:\u003c\/b\u003e Operates natively from 8V to 80V DC, making it fully compatible with 12V, 24V, 36V, and 48V battery banks.\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp data-path-to-node=\"20,3,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"20,3,0\"\u003eUniversal Battery Chemistry Support:\u003c\/b\u003e Fully programmable parameters for LiFePO4 (Lithium Iron Phosphate), AGM, Gel, and Flooded Lead-Acid battery chemistry setups.\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp data-path-to-node=\"20,4,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"20,4,0\"\u003eUltra-Low Power Draw:\u003c\/b\u003e Consumes only 1-2mA in standby, preventing parasitic battery drain during seasonal storage.\u003c\/p\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 data-path-to-node=\"22\"\u003eTechnical Specifications\u003c\/h3\u003e\n\n\u003cul data-path-to-node=\"23\"\u003e\n\t\u003cli\u003e\n\t\u003cp data-path-to-node=\"23,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"23,0,0\"\u003eWorking Voltage Range:\u003c\/b\u003e 8V – 80V DC\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp data-path-to-node=\"23,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"23,1,0\"\u003eContinuous Operating Current:\u003c\/b\u003e 0 – 500 Amps (Peak 500A Shunt)\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp data-path-to-node=\"23,2,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"23,2,0\"\u003eMeasurement Accuracy:\u003c\/b\u003e Voltage ±1%, Current ±1%, Capacity ±1%\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp data-path-to-node=\"23,3,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"23,3,0\"\u003eStandby Power Consumption:\u003c\/b\u003e 1.0 – 2.0 mA\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp data-path-to-node=\"23,4,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"23,4,0\"\u003eWireless Connectivity:\u003c\/b\u003e Bluetooth 5.0 BLE (Range: ~10-15m \/ 30-50ft)\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp data-path-to-node=\"23,5,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"23,5,0\"\u003eOperating Temperature:\u003c\/b\u003e -20°C to 70°C (-4°F to 158°F)\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp data-path-to-node=\"23,6,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"23,6,0\"\u003eCompatible Battery Types:\u003c\/b\u003e LiFePO4, Lithium-ion, AGM, GEL, Wet\/Flooded Lead-Acid\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp data-path-to-node=\"23,7,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"23,7,0\"\u003eApplications:\u003c\/b\u003e RVs, Motorhomes, Marine Boats, Yachts, 4WD Overland Trucks, Off-Grid Solar Storage\u003c\/p\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 data-path-to-node=\"25\"\u003eWhat's in the Box\u003c\/h3\u003e\n\n\u003cul data-path-to-node=\"26\"\u003e\n\t\u003cli\u003e\n\t\u003cp data-path-to-node=\"26,0,0\"\u003e1 x Smart Bluetooth Battery Shunt Module (500A)\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp data-path-to-node=\"26,1,0\"\u003e1 x Precision 500A Brass Shunt\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp data-path-to-node=\"26,2,0\"\u003e1 x Voltage Sensing Cable\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp data-path-to-node=\"26,3,0\"\u003e1 x User Manual \u0026amp; App Pairing Guide\u003c\/p\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"J_module\" module-id=\"32816872441\" module-title=\"detailSingleImage\" render=\"true\"\u003e\n\u003cdiv class=\"icbu-pc-images magic-1\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"flex-layout-v\"\u003e\n\u003cdiv class=\"flex-layout-h magic-1\"\u003e\n\u003cdiv class=\"magic-2\"\u003e\u003cdiv\u003e\u003cimg cke-id=\"img72\" class=\"magic-3\" data-src=\"\/\/sc04.alicdn.com\/kf\/H7f2462677a1f43faa0f231999a7feca4J\/230357161\/H7f2462677a1f43faa0f231999a7feca4J.jpg\" referrerpolicy=\"no-referrer\" src=\"\/\/sc04.alicdn.com\/kf\/H7f2462677a1f43faa0f231999a7feca4J\/230357161\/H7f2462677a1f43faa0f231999a7feca4J.jpg\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"J_module\" module-id=\"32816872444\" module-title=\"detailProductNavigation\" render=\"true\"\u003e\n\u003cdiv class=\"magic-0\" data-section=\"AliMagic-ex7urh\" data-section-title=\"Product Paramenters\" id=\"ali-anchor-AliMagic-ex7urh\"\u003eProduct Paramenters\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"J_module\" module-id=\"44866989170\" module-title=\"detailTableTitleHightLight\" render=\"true\"\u003e\n\u003cdiv class=\"ife-detail-decorate-table\"\u003e\n\u003ctable class=\"has-title hight-light-first-column all magic-4\"\u003e\n\t\u003ctbody\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\t\t\t\u003cdiv class=\"magic-5\"\u003eWorking Voltage\u003c\/div\u003e\n\t\t\t\u003c\/td\u003e\n\t\t\t\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\t\t\t\u003cdiv class=\"magic-6\"\u003e8V-80V\u003c\/div\u003e\n\t\t\t\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\t\t\t\u003cdiv class=\"magic-5\"\u003eWorking Current\u003c\/div\u003e\n\t\t\t\u003c\/td\u003e\n\t\t\t\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\t\t\t\u003cdiv class=\"magic-6\"\u003e0 -500 amps\u003c\/div\u003e\n\t\t\t\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\t\t\t\u003cdiv class=\"magic-5\"\u003eStandby Dissipation\u003c\/div\u003e\n\t\t\t\u003c\/td\u003e\n\t\t\t\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\t\t\t\u003cdiv class=\"magic-6\"\u003e1-2mA\u003c\/div\u003e\n\t\t\t\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\t\t\t\u003cdiv class=\"magic-5\"\u003eVoltage Accuracy\u003c\/div\u003e\n\t\t\t\u003c\/td\u003e\n\t\t\t\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\t\t\t\u003cdiv class=\"magic-6\"\u003e± 1%\u003c\/div\u003e\n\t\t\t\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\t\t\t\u003cdiv class=\"magic-5\"\u003eCurrent Accuracy\u003c\/div\u003e\n\t\t\t\u003c\/td\u003e\n\t\t\t\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\t\t\t\u003cdiv class=\"magic-6\"\u003e± 1%\u003c\/div\u003e\n\t\t\t\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\t\t\t\u003cdiv class=\"magic-5\"\u003eCapacity Accuracy\u003c\/div\u003e\n\t\t\t\u003c\/td\u003e\n\t\t\t\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\t\t\t\u003cdiv class=\"magic-6\"\u003e± 1%\u003c\/div\u003e\n\t\t\t\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\t\t\t\u003cdiv class=\"magic-5\"\u003eBacklight on current (50A)\u003c\/div\u003e\n\t\t\t\u003c\/td\u003e\n\t\t\t\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\t\t\t\u003cdiv class=\"magic-6\"\u003e30-60mA\u003c\/div\u003e\n\t\t\t\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\t\t\t\u003cdiv class=\"magic-5\"\u003eBacklight on current (\u0026gt;50A)\u003c\/div\u003e\n\t\t\t\u003c\/td\u003e\n\t\t\t\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\t\t\t\u003cdiv class=\"magic-6\"\u003e8\/0-120mA\u003c\/div\u003e\n\t\t\t\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\t\t\t\u003cdiv class=\"magic-5\"\u003ePreset capacity value\u003c\/div\u003e\n\t\t\t\u003c\/td\u003e\n\t\t\t\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\t\t\t\u003cdiv class=\"magic-6\"\u003e1-9999Ah\u003c\/div\u003e\n\t\t\t\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\t\t\t\u003cdiv class=\"magic-5\"\u003eTemperature range\u003c\/div\u003e\n\t\t\t\u003c\/td\u003e\n\t\t\t\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\n\t\t\t\u003cdiv class=\"magic-6\"\u003e0-35°C\u003c\/div\u003e\n\t\t\t\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"J_module\" module-id=\"32816872442\" module-title=\"detailProductNavigation\" render=\"true\"\u003e\n\u003cdiv class=\"magic-0\" data-section=\"AliMagic-qwksku\" data-section-title=\"Item Specification\" id=\"ali-anchor-AliMagic-qwksku\"\u003eItem Specification\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"J_module\" module-id=\"32816872443\" module-title=\"detailManyImage\" render=\"true\"\u003e\n\u003cdiv class=\"icbu-pc-detailManyImage magic-7\"\u003e\n\u003cdiv class=\"magic-8\"\u003e\u003cdiv\u003e\u003cimg cke-id=\"img73\" class=\"magic-9\" data-src=\"\/\/sc04.alicdn.com\/kf\/H4a1826301184420d8cd041449e79ce71i\/230357161\/H4a1826301184420d8cd041449e79ce71i.jpg\" referrerpolicy=\"no-referrer\" src=\"\/\/sc04.alicdn.com\/kf\/H4a1826301184420d8cd041449e79ce71i\/230357161\/H4a1826301184420d8cd041449e79ce71i.jpg\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\n\u003cdiv class=\"magic-8\"\u003e\u003cdiv\u003e\u003cimg cke-id=\"img74\" class=\"magic-9\" data-src=\"\/\/sc04.alicdn.com\/kf\/H958d2a5d3251460fadb6b9aba955b2ban\/230357161\/H958d2a5d3251460fadb6b9aba955b2ban.jpg\" referrerpolicy=\"no-referrer\" src=\"\/\/sc04.alicdn.com\/kf\/H958d2a5d3251460fadb6b9aba955b2ban\/230357161\/H958d2a5d3251460fadb6b9aba955b2ban.jpg\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\n\u003cdiv class=\"magic-8\"\u003e\u003cdiv\u003e\u003cimg cke-id=\"img75\" class=\"magic-9\" data-src=\"\/\/sc04.alicdn.com\/kf\/H88cbe2f701e441a494327df70b89ed40z\/230357161\/H88cbe2f701e441a494327df70b89ed40z.jpg\" referrerpolicy=\"no-referrer\" src=\"\/\/sc04.alicdn.com\/kf\/H88cbe2f701e441a494327df70b89ed40z\/230357161\/H88cbe2f701e441a494327df70b89ed40z.jpg\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\n\u003cdiv class=\"magic-8\"\u003e\u003cdiv\u003e\u003cimg cke-id=\"img76\" class=\"magic-9\" data-src=\"\/\/sc04.alicdn.com\/kf\/H5d8e3f78eb884ed380e4c66c9a89ff38q\/230357161\/H5d8e3f78eb884ed380e4c66c9a89ff38q.jpg\" referrerpolicy=\"no-referrer\" src=\"\/\/sc04.alicdn.com\/kf\/H5d8e3f78eb884ed380e4c66c9a89ff38q\/230357161\/H5d8e3f78eb884ed380e4c66c9a89ff38q.jpg\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\n\u003cdiv class=\"magic-8\"\u003e\u003cdiv\u003e\u003cimg cke-id=\"img77\" class=\"magic-9\" data-src=\"\/\/sc04.alicdn.com\/kf\/H403b5b3c08334832a56ba59f5fcf158ab\/230357161\/H403b5b3c08334832a56ba59f5fcf158ab.jpg\" referrerpolicy=\"no-referrer\" src=\"\/\/sc04.alicdn.com\/kf\/H403b5b3c08334832a56ba59f5fcf158ab\/230357161\/H403b5b3c08334832a56ba59f5fcf158ab.jpg\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\n\u003cdiv class=\"magic-8\"\u003e\u003cdiv\u003e\u003cimg cke-id=\"img82\" class=\"magic-9\" data-src=\"\/\/sc04.alicdn.com\/kf\/Hfefe848d838c4b798f0b12bfd25da9f06\/230357161\/Hfefe848d838c4b798f0b12bfd25da9f06.jpg\" referrerpolicy=\"no-referrer\" src=\"\/\/sc04.alicdn.com\/kf\/Hfefe848d838c4b798f0b12bfd25da9f06\/230357161\/Hfefe848d838c4b798f0b12bfd25da9f06.jpg\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n","brand":"GFL Tech","offers":[{"title":"Default Title","offer_id":67626882170980,"sku":"Smart 12V-80V","price":105.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0806\/0013\/7828\/files\/H4c28f2a132fb423e9bb3c53ad9948e4a2.webp?v=1791113941","url":"https:\/\/guangfeilai.com\/fr\/products\/smart-12v-80v-500a-bluetooth-battery-shunt-monitor-app","provider":"GFL Tech","version":"1.0","type":"link"}