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L05G TUBE
  • Product Name: EJ-BM16 Battery Monitor with NMEA2000 output
  • Subtitle:
  • The smart battery monitor EJ-BM16 is a high precision battery monitor and can be used for boats, campers, caravans and other devices using a battery.It is smart type can be made with bluetooth or RS485 or CANBus communication.The BM16 measures the voltage, current, ampere-hours consumed and the remaining time at the current rate of discharge. It provides a wide range of battery information, and the programmable alarm allows users to setup the capacity/voltage warning buzzer. The BM16 is compatible with most types of batteries on the market including: lithium batteries, lithium iron phosphate batteries, lead-acid batteries, and nickel-metal hydride batteries.The BM16 outputs the standard NMEA2000 format messages so the current, voltage and capacity information can be combined with the NMEA2K system on the boat.

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Detail specificaiton of smart battery monitor EJ-BM16, pls check the below link:

Specification of EJ-BM16 for download.

  • High precision battery monitor that measures voltage, current and capacity
  • Displays the remaining time at the current rate of discharge and charge status
  • NMEA 2000 format messages output
  • Wide input voltage range: 8V – 60V
  • Capaity Range: 0.1-9999Ah
  • Suitable for most types of batteries including lithium battery, lead-acid battery,AGM battery,Gel battery
  • High current measurement resolution, 0.01Amp, with current shunt
  • Shunt selection capability up to 500 Amps (100A and 500A variations available)
  • User programmable alarm function


  • Remaining capacity percentage – this shows the percentage of the actual full-charge capacity of the battery.
  • Remaining capacity in Amp-hours.
  • Real voltage – displays of the real voltage level of the battery.
  • Real current – the current display informs of the current load or charge of the battery.
  • Real Power – this shows the power rate being consumed while discharging or supplied while charging.
  • Time-to-go – shows an estimate of how long the battery will sustain a load. Indicates the time remaining until battery is completely discharged when the battery is discharging. The remaining time will be calculated from the residual capacity and the real time current.
  • Battery symbol – when the battery is being charged it will cycle to show it is filling. When the battery is full the symbol will be shaded.