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FD20 & FD60 Battery and Solar Production Information

Understand your FarmDroid's battery, solar production, and power flow to quickly assess energy performance and keep your robot operating efficiently.

Keeping an eye on your FarmDroid's energy system helps you understand how your robot is performing in the field and ensures it always has enough power to complete its tasks.

You can check your robot's battery and solar production information in three different ways:

  1. Directly on the robot's HMI via the Energy page (2.1.2).
  2. In the FarmDroid App on your smartphone.
  3. In the VictronConnect App for more detailed solar system information (see the related article).

Understanding Energy Status on the Robot Screen

To access battery and energy information, open the Energy page (2.1.2) on the HMI.

 

This page gives you a complete overview of your robot's current energy situation, including:

  • Current battery voltage and charge level
  • Solar energy production
  • Energy consumption
  • Power bank activity
  • Battery thresholds that affect robot operation

What the Values Mean

For example, if the display shows:

  • Battery voltage: 27.21V
    Your batteries are fully charged and ready for operation.
  • Pause of autonomous operations at 24V
    If battery voltage drops to 24V, the robot will temporarily pause operations to protect the batteries.
  • Shutdown at 23V
    If voltage reaches 23V, the robot will shut down automatically.
  • Solar production: 0 kW
    This can be completely normal if the batteries are already fully charged. Once the batteries reach maximum capacity, they cannot accept additional energy from the solar panels.
  • Consumption: 0.08 kW
    The robot is powered on but currently not performing field work.
  • Power bank output: 0.04 kW
    The power bank is supplying energy to the system.

The key takeaway is that battery voltage often provides the best indication of your robot's overall energy status.


Understanding Energy Status in the FarmDroid App

The FarmDroid App makes it easy to check your robot's energy status remotely.

Quick Battery Overview

On the main screen, scroll down to Battery Voltage for a quick snapshot of the battery pack's current condition.

Detailed Power Information

For deeper insights, open the Power menu.

Here you can monitor:

  • Robot energy consumption – how much power the robot is currently using.
  • Solar energy production – how much energy is being generated by the solar panels.
  • Battery status – whether the battery pack is charging or discharging.
  • Power bank status – whether the power bank is supplying or storing energy.

This information can help you determine whether the robot is receiving enough solar energy and how energy is moving through the system.

  


Common Question: Why Is Solar Production Low on a Sunny Day?

If you notice low or zero solar production despite bright sunshine, don't assume there's a problem.

First, check the battery voltage.

If the batteries are already fully charged (around 27V), the system may intentionally limit solar input because the batteries cannot store additional energy. In this situation, it is normal to see:

  • Very low or zero solar production readings
  • A small battery discharge of approximately 60-80W
  • The robot operating normally

In other words, low solar production on a sunny day can actually be a sign that your batteries are already full, not that your solar system is underperforming.

💡 Customer Tip: Always check battery voltage before troubleshooting solar production. A full battery often explains low production readings and can save unnecessary investigation.


What Should I Check First?

When reviewing your robot's energy status, start with these three questions:

  1. What is the battery voltage?
  2. Is the battery charging or discharging?
  3. Is the robot currently working, idle, or paused?

Understanding these three indicators will help you quickly determine whether your robot's energy system is operating normally.