{"product_id":"ej-bm21-smart-battery-monitor-with-bluetooth-soc-meter","title":"E\u0026J BM21 Battery Monitor | LCD, Bluetooth \u0026 500A Shunt","description":"\u003ch2\u003eSee your battery status on a separate display\u003c\/h2\u003e\n\u003cp\u003eAdd an easy-to-read LCD battery display to your caravan, 4WD or off-grid setup. The E\u0026amp;J BM21 uses a 500A shunt to measure charge and discharge current, with Bluetooth access through the Smart Battery Monitor app.\u003c\/p\u003e\n\u003cp\u003eIt is a useful optional upgrade when you want a fixed display, including on ATG lithium batteries that already provide Bluetooth monitoring.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDisplays battery state of charge, voltage, current and capacity\u003c\/li\u003e\n\u003cli\u003eMeasures energy flowing into and out of the battery through the shunt\u003c\/li\u003e\n\u003cli\u003eLCD display and Bluetooth monitoring\u003c\/li\u003e\n\u003cli\u003eSuitable for compatible LiFePO4, lithium and lead-acid battery systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat’s included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBM21 LCD battery monitor\u003c\/li\u003e\n\u003cli\u003e500A current shunt\u003c\/li\u003e\n\u003cli\u003e5m display cable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation\u003c\/h3\u003e\u003cp\u003eInstall and configure the shunt and monitor according to the supplied instructions. Main battery\/shunt connection leads are sold separately and must match the terminal sizes and circuit current. The monitor does not replace your battery’s BMS or circuit protection.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/atg-batteries\"\u003eShop ATG lithium batteries\u003c\/a\u003e · \u003ca href=\"\/pages\/contact\"\u003eAsk about installation compatibility\u003c\/a\u003e\u003c\/p\u003e","brand":"E\u0026J","offers":[{"title":"Default Title","offer_id":41224192098363,"sku":"BMS-EJ-BM21-500","price":169.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0571\/5777\/9515\/files\/EJ-BM21-Smart-Battery-Monitor-with-Bluetooth-SOC-meter_e7ad8c89-2300-4992-90ca-5862b3524624.jpg?v=1682663457","url":"https:\/\/www.access12voltwarehouse.com.au\/products\/ej-bm21-smart-battery-monitor-with-bluetooth-soc-meter","provider":"Access 12 Volt Warehouse","version":"1.0","type":"link"}