{"product_id":"obdmonster-bm210-waterproof-led-battery-meter-for-12v-72v-systems-10-segment-bar-graph-numeric-volt-display","title":"OBDMONSTER BM210 Waterproof LED Battery Meter for 12V–72V Systems — 10‑Segment Bar Graph \u0026 Numeric Volt Display","description":"\u003cp\u003e\u003cstrong\u003eThe OBDMONSTER BM210 is a waterproof LED battery meter that accurately displays remaining voltage for 12V–72V lead‑acid and lithium batteries on golf carts, cars, boats and more.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe BM210 is a compact, easy‑to‑install voltage display designed to give a clear, continuous readout of a battery pack’s state of charge. It uses a 10‑segment LED bar graph (one red, two yellow, seven green) and a numeric volt readout to help you monitor battery condition at a glance. Built with a PVC waterproof protector, low power draw and reverse polarity protection, this gauge fits a wide range of vehicles and battery systems that require straightforward voltage monitoring.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the BM210 show battery charge so I can interpret it quickly?\u003c\/h3\u003e\n\u003cp\u003eThe meter combines a 10‑segment LED bar graph with a numeric voltage display so you get both a visual percentage approximation and a precise voltage reading. Each LED segment represents roughly 10% of capacity; color changes signal low, caution, or healthy charge ranges.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e10‑segment LED bar: 1 red, 2 yellow, 7 green for quick status checks\u003c\/li\u003e\n  \u003cli\u003eNumeric volt display for exact battery voltage\u003c\/li\u003e\n  \u003cli\u003eEach segment approximates 10% of usable capacity\u003c\/li\u003e\n  \u003cli\u003eBacklit LCD for visibility in low light\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill it work with my golf cart, car, boat, or electric vehicle?\u003c\/h3\u003e\n\u003cp\u003eThe BM210 supports multiple nominal battery systems: 12V, 24V, 36V, 48V, 60V and 72V, making it a flexible choice for many vehicle types. It’s compatible with both acid and lithium chemistries when wired and scaled to the correct nominal voltage.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWorks with 12–72V nominal battery packs\u003c\/li\u003e\n  \u003cli\u003eCompatible with golf carts, cars, boats, RVs, motorcycles and more\u003c\/li\u003e\n  \u003cli\u003eSuitable for lead‑acid and lithium battery systems when configured correctly\u003c\/li\u003e\n  \u003cli\u003eManual voltage setting adjustment to match your pack\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable and easy to install is the BM210 for everyday use?\u003c\/h3\u003e\n\u003cp\u003eThe meter is built for practical field use: a PVC waterproof screen protector shields the readout from moisture while the unit itself consumes minimal power. Installation hardware is included and the design protects against reversed wiring to reduce installation mistakes.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePVC waterproof protector for readable display in wet conditions\u003c\/li\u003e\n  \u003cli\u003eLow operating current (approx. 5mA max) to limit drain\u003c\/li\u003e\n  \u003cli\u003eReverse polarity protection prevents damage if wired backwards\u003c\/li\u003e\n  \u003cli\u003eIncludes mounting and wiring accessories for straightforward fitment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I do if readings seem incorrect or always show full?\u003c\/h3\u003e\n\u003cp\u003eIf the meter persistently shows full charge after use, the cause is often an incorrect voltage selection or wiring. The unit allows adjustment of the voltage code; follow the included diagram to set the correct nominal voltage for your battery pack.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify wiring and connector polarity first\u003c\/li\u003e\n  \u003cli\u003eSet the correct nominal voltage code per the instructions (refer to diagram)\u003c\/li\u003e\n  \u003cli\u003eCheck voltage under load and at rest for accurate comparison\u003c\/li\u003e\n  \u003cli\u003eContact support if adjustments don’t resolve the issue\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: The OBDMONSTER BM210 is ideal for owners and operators who need a simple, rugged voltage readout across a range of battery systems—especially golf cart owners, marine users, RV and off‑grid vehicle enthusiasts, and fleet managers who want a low‑power, waterproof gauge. It suits DIY installers and professional technicians who value a clear LED bar, numeric voltage display, and built‑in protective features. For any buyer, ensure you select the correct nominal voltage setting and follow the wiring diagram for reliable performance.\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: Which voltages does the BM210 support?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The BM210 supports nominal 12V, 24V, 36V, 48V, 60V and 72V battery systems when configured correctly.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What if the meter displays full all the time?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Check wiring and set the correct voltage code per the diagram; contact support if the issue persists.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"OBDMONSTER","offers":[{"title":"Default Title","offer_id":48084499660958,"sku":"B0CNCHB6LY","price":29.13,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/obdmonster-bm210-front-panel.jpg?v=1785857606","url":"https:\/\/northtrailauto.ca\/products\/obdmonster-bm210-waterproof-led-battery-meter-for-12v-72v-systems-10-segment-bar-graph-numeric-volt-display","provider":"North Trail Auto","version":"1.0","type":"link"}