Replacing the Robot’s Battery Pack

This tutorial shows you how to correctly and safely change the batteries on a FANUC CRX-25iA collaborative robot. Important: the robot must remain powered on during the entire procedure to prevent loss of encoder information.

In this video, you’ll learn how to:

  • Remove the joint cover carefully using a 4 mm Allen key and a rubber mallet

  • Unscrew the battery cover and access the battery wires

  • Disconnect old batteries and install new ones safely

  • Reassemble the bracket and cover, ensuring all screws are properly tightened

Follow these steps to ensure your CRX-25iA maintains accurate performance and reliability after battery replacement. Perfect for operators and maintenance personnel handling FANUC collaborative robots.

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