BMPRO JControl 12V Display & Control Unit
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BMPRO JControl 12V Display & Control Unit


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BMPRO JControl 12V Display & Control Unit

The 12V digital battery monitor JControl is a display and control unit that connects to a J35 and displays a range of battery and water tank information. It acts as a fuel gauge by monitoring the current going in and out of the battery. It also displays information such as battery volts, solar and AUX input current, charge and discharge status, remaining battery capacity and water tank levels. JControl can be mounted on any internal wall of your caravan.


  • Battery voltage and charge status
  • Battery charging and discharging currents
  • Auxiliary and solar charging currents
  • Time remaining to discharge
  • Level indication of up to 4 water tanks
  • Time am/pm
  • Water pump status
  • Battery on/off status


Features also include:

  • Button to control a water pump through J35
  • Button to disconnect the battery from the loads



  • Output 0.9/3.0/4.0 Amps
  • Input 240V, 50Hz
  • Battery Size 12-12 Ah
  • Battery Type Lead Acid, LiFePO4
  • Battery Chemistry AGM, Gel, Calcium or Wet, LiFePO4
  • Charger Type Multi-stage
  • Power Supply Mode 12V


The table below illustrates the compatibility of the different BMPRO products and if any prerequisites apply to a combination

Please CLICK HERE to view more information




Product Category Batteries Other

Dimensions (WxHxD): 156mm x 94mm x 22mm

NOTE: see full product specifications & further product info in the Description section on this page.

Warranty Period: 2 Years

Warranty Details: Please CLICK HERE for Warranty Information on this product

  • We ship Australia-wide with national road express freight companies such as Star Track, TNT and Toll.
  • Small Items are sent with Australia Post via regular post.
  • Delivery times are generally 3-5 days from day of dispatch for major cities (sometimes quicker). Please allow longer for regional and remote areas.
  • Once your item(s) have been dispatched, we will provide you freight tracking information so you can track your delivery to your door.
  • Items are fully insured during the freight process.
  • Unfortunately we cannot deliver to PO Boxes.
  • For further details on our Delivery Process you can visit our Delivery Page HERE.

Important Covid-19 Comment: during these difficult times, our dispatch and delivery times are longer than normal. Please allow additional days for delivery over and above the normal estimates outlined above.

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