Frequently Asked Questions

Battery not charging

*Important: As mentioned in tutorials, software terms of use, and box instruction insert, the battery of your robot must be charged before use. This must be the first thing you do before assembling and using your new EZ-Robot. Additionally, do not disregard the "My battery is low" message. Power down the robot when you hear this message. The battery saver was engineered to maintain battery longevity. There are in-depth details regarding care for your EZ-Robot in the tutorials of the learn section.

The smart microprocessor LiPo charger included with your ez-robot will provide diagnostic information to help identify problems. Your smart LiPo charger may flash all three red LEDs in a certain pattern to notify you of what the problem might be. All lessons within the robot tutorials section are important, including this Battery Tutorial. We highly recommend reviewing all lessons for your robot as well as the Battery Tutorial. Below is an overview of the smart LiPo charger diagnostic light patterns...

  1. All LEDs repeat flashing red once, and stopping for 1 second. This means that your battery is connected improperly. Make sure the battery cable fits properly into the charger and is plugged into the port on the right side of the charger.
  2. All LEDs repeat flashing red twice, and stopping for 1 second. This means that your charger encountered an overload or a short circuit. Check your charger and battery cables and make sure that they are in good condition. If any cables are exposed please Contact Us.
  3. All LEDs repeat flashing red four times, and stopping for 1 second. This means that the voltage of a single cell is too high or too low. This is most likely due to leaving your robot powered on for an extended period while the low voltage battery warning was playing. This will over discharge the battery and cause problems like this. If you have this problem you can either try re-balancing the cells at a local hobby store, or purchase a new battery.
  4. All LEDs repeat flashing red six times, and stopping for 1 second. This means that there is a 300mv difference between the voltage of the two cells. This is can be due to leaving your robot powered on for an extended period while the low voltage battery warning was playing. This will over discharge the battery and cause problems like this. Another cause of this issue is a manufacturer defect.

    If you receive this error, wait 30 minutes for the battery to cool down and try charging again.

    If that does not work, remove the EZ-B v4 from the robot and try charging the battery again.

    If the error persists perform the following steps:

    1. Open EZ-Builder
    2. Turn on robot (With nothing connected to the ez-b) (Ignore the battery is low warning for now)
    3. Connect to the robot's WiFi on your computer
    4. Connect to the robot with EZ-Builder
    5. Click the project tab
    6. Press Add Controls
    7. Under the General category, press EZ-B v4 Info
    8. Read and record the "Input voltage" value
    9. Turn off your robot to prevent further battery damage
    10. Contact Us and report the input voltage.
*Note: Damaged LiPo batteries due to neglecting the instructions, tutorials and terms of use do not qualify for warranty replacement. Replacement batteries may be purchased from our store here. To maintain LiPo battery life, be sure to not drain the battery by respecting the battery saver monitor. Follow the directions provided to you in the software's terms of use, website tutorials, and the included instruction sheet.
Return to Top