{"product_id":"bunker-indust-battery-monitor-bm2-bm3-bluetooth-4-0-12v-battery-tester","title":"BUNKER INDUST Battery Monitor BM2\/BM3 — Bluetooth 4.0 12V Battery Tester","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eMeet the BUNKER INDUST Battery Monitor BM2 BM3, a compact Bluetooth 4.0 tester designed for 12V automotive batteries. It transforms voltage, charge, and cranking data into clear signals you can act on, directly from your smartphone. Built for everyday use in cars, trucks, RVs, and small fleets, it offers a practical way to gain visibility into battery health without specialized equipment.\u003c\/p\u003e\u003ch2\u003eWhat it monitors\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSIMULTANEOUSLY MONITOR UP TO 4 OF 12V BATTERIES: BM3 supports up to four devices at once, while BM2 covers a single battery. It spans 6 to 20V and uses a fireproof, high temperature resistant housing for durable everyday use.\u003c\/li\u003e\n\u003cli\u003eKEY READINGS: track voltage, state of charge, cranking power, and automatic engine start detection through the app for a comprehensive snapshot of battery health.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eConnectivity and app\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFREE IOS \u0026amp; ANDROID APPS: BM2 uses its own app; BM3 offers expanded capabilities for multiple devices. The interfaces are designed to be intuitive and responsive.\u003c\/li\u003e\n\u003cli\u003eNOTIFICATIONS AT A GLANCE: when the monitor comes within Bluetooth range, battery status updates can appear in your phone's notification area.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eUse cases and scenarios\u003c\/h2\u003e\u003cp\u003eBefore road trips, you can verify battery readiness to reduce last minute surprises. For fleets or multiple vehicles, a single screen may help you spot trends across several batteries. Seasonal storage or after repair checks become quick, repeatable tasks rather than guesswork.\u003c\/p\u003e\u003ch2\u003eBuild and reliability\u003c\/h2\u003e\u003cp\u003eThe BM2 BM3 unit is compact enough to fit in a glove box or cabinet. It uses fireproof materials and supports a broad 6 20V range, making it adaptable to various vehicle setups. Bluetooth 4.0 provides a stable wireless link to mobile devices, enabling convenient monitoring without cables. \u003c\/p\u003e\u003ch2\u003eGetting started\u003c\/h2\u003e\u003cp\u003ePair with the compatible app, connect the device to the battery, and begin monitoring. Real world results depend on battery condition and vehicle load, but the setup is designed to be straightforward and user friendly for ongoing maintenance and quick checks.\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 devices can the BM2\/BM3 monitor?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: BM2 covers a single 12V battery; BM3 handles up to four devices via Bluetooth 4.0.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do I get alerts?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The free mobile app pushes battery status notifications when in Bluetooth range.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"BUNKER INDUST","offers":[{"title":"Default Title","offer_id":42470144639061,"sku":"B07GP1RXYZ","price":44.32,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/bunkerindust-battery-monitor-bm2-compact-design.jpg?v=1778119946","url":"https:\/\/plentytorque.co.uk\/products\/bunker-indust-battery-monitor-bm2-bm3-bluetooth-4-0-12v-battery-tester","provider":"PlentyTorque","version":"1.0","type":"link"}