Piranha Offroad Battery Monitors

Dual Battery Monitor – Model DBM5D

This Dual Battery Monitor is designed to provide a guide indicating voltages on your Main and Auxiliary batteries in a dual battery set up or just a Main or just an Auxiliary when used in a single battery set up.

Dual Battery Monitor - Model DBM5D
Dual Battery Monitor – Model DBM5D


  • 3 digit display with bar graph.
  • Visual warnings for Low and Over voltage.
  • Compact design both Main & Auxiliary available simultaneously.
  • Can be used for single battery as well.
  • Automatic dimming.
  • Easy mounting.

Installation Instructions – DBM5D

Download Installation Instructions

Please read these operating instructions before use!

Your new DBM5D Dual Battery Monitor is designed to give you a guide indicating the voltages on your Main and Auxiliary batteries in a dual battery setup or just a main or auxiliary battery in a single battery setup.

  • Mount the unit where it can be comfortably seen in the cabin of the vehicle with supplied hook and loop tape. Please use provided alcohol swab to remove any excess dirt or contaminates and allow to completely dry before appling tape. Apply 30 seconds of pressure to the tape during application and allow 24 hours curing time before mounting the display. Where possible please choose a plastic location for strongest mounting.
  • Do not mount near excessive moisture or heat.
  • Route cable as necessary to main and auxiliary batteries as required. Extending the cable may be required. (Note: Extra cabling not supplied)
  • Connect wires as per the colour cable guide below.
  • Unit features auto-dimming feature. Do not block sensor to left of screen for correct operation of dimming feature.
  • Care should be taken when installing the unit to optimise the viewing angle for the driver.

Cable Colour Guide:

Cable colour guide for the Piranha Offroad DBM5D battery monitor
Cable colour guide for the Piranha Offroad DBM5D battery monitor

Note: The White wire (Not shown above) is used for factory programming and calibration. It is not to be connected during the wiring and installation of the unit.

Technical Specifications:

Input Voltage (DC)5VDC to 17VDC
High Voltage Warning>15.00VDC
Low Voltage Warning<11.00VDC
Current Draw35mA Running, 0.4mA Standby
DisplayDual 3 Digit Graphical with Bargraph
Physical Dimensions59mm x 44mm x 21mm
Connections1.5M 4-Core Cable

Operation Guidelines:

The following displays show the normal operation of the device and its warning features for Low Battery and Over Voltage. Note: These are visual warnings only. Unit will not disconnect or connect the system.

Over Voltage Indication
Over Voltage Indication
Figure 1: Over Voltage Indication

Nominal Operation Indication
Figure 2: Nominal Operation Indication

Under Voltage Indication
Under Voltage Indication
Figure 3: Under Voltage Indication

The product is warranted to be free from defects in materials and workmanship under normal use and service for a period of 24 months from the date of sale. This warranty covers defective parts and workmanship provided that the product is shipped prepaid to the seller within 24 months of purchase of goods. Our products come with guarantees that cannot be excluded under the Australian Consumer Law. The customer is entitled to a replacement or refund for a major failure and compensation for any other reasonably foreseeable loss or damage. The customer is also entitled to have the products repaired or replaced if the products fail to be of acceptable quality and the failure does not amount to a major failure.

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Battery Monitor – Model DBM3D

The Digital Battery Monitor is designed as a simple but effective way to keep an eye on the voltages of your Main and Aux battery systems.

Battery Monitor - Model DBM3D
Battery Monitor – Model DBM3D
  • Accurate Digital Voltage readout.
  • Hi reading when above 15 Volts.
  • Lo reading when below 10 Volts.
  • Dims with headlights.
  • Can be connected directly to DBE180SX.


  • 7 Segment green led Display
  • Dimmer facility
  • Battery voltage accurate to 0.10 Volt
  • Alternator voltage accurate to 0.30 Volt
  • Main and Auxiliary Battery Monitoring
  • Mounting Kit and Bracket included
  • Slim Design
  • Under / On / Over Dash Mountable
  • Three Position Switch
  • Wiring Loom with Flat cable section
  • Extremely low current draw

Installation Instructions – DBM3D

Download Installation Instructions

Simple four wire connection.

  Black Wire – Earth

  Orange Wire – Dash Light

  Red Wire – Main Battery

  White Wire – Auxiliary Battery

High Voltage Display
High Voltage Display
Low Voltage Display
Low Voltage Display

For best results in reading this monitor, we recommend mounting the monitor in a horizontal position, so that the switch is in a vertical position.

DBM3D Digital Wiring Diagram

DBM3D Digital Wiring Diagram
DBM3D Battery Monitor Digital Wiring Diagram

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