Battery Monitor 12V Bluetooth N2099A

SKU: 9321758238578


This easy to install battery monitor provides live feedback on the condition of your vehicle or auxiliary battery. Ideal for monitoring the capacity of auxiliary batteries connected to loads in 4WDs and caravans such as fridges, lighting and other appliances. Data is displayed in the free BM2 app, providing live voltage readout, cranking voltage, charging system status and a log of vehicle trips. Alternatively, you can buy the BM3 app at a relatively low cost, which will allow you to monitor up to 4 x batteries at once.

Please Note: This item that it is not suitable for lithium batteries


  • Receive notification alerts when Bluetooth in range
  • Check vehicle cranking system automatically while engine starting
  • Check charging system (alternator)
  • List driving periods
  • Alert smartphone if abnormalities occur.
  • Short-circuit and reverse connection protection
  • Data stored in battery monitor for up to 31 days
  • Automatic synchronisation when in Bluetooth range
  • Compatible with all 12V vehicle batteries
  • Graphical historical data display
  • Engine starting detection automatically
  • Free BM2 app for both iOS and Android devices



  • Average Current: 1.5mA
  • Input Voltage: 12V
  • Operating Temperature: -40°C ~ 90°C
  • Physical Dimensions: 5.5 x 3.5 x 1.6cm
  • Voltage Accuracy: ±0.03V
  • Short-circuit protection: Built-in
  • Reverse current protection: Built-in
  • Bluetooth version: V4.0
  • Bluetooth Name: Battery Monitor
  • App Keyword: BM2


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