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bm2 battery monitor
The BM2 battery monitor is a Bluetooth-enabled device designed to track the health, voltage, and performance of a vehicle’s 12‑volt battery. It typically works by connecting to the battery terminals and using a smartphone app to display real-time information such as voltage levels, charging status, and historical data, helping users monitor battery condition and detect potential issues early.
Does anyone have any recommendations for a one of these? I've never used one but they seem to be a worthwhile thing for EVs and are conveniently priced for asking for one as a Christmas present.
There are loads on Amazon and the same on Ebay for a bit cheaper so spoilt for choice, hence asking...
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