W-L01399C Robot Encoder Battery

Original OTC DAIHEN W-L01399C Robot Encoder Battery

OTC DAIHEN W-L01399C Encoder Battery is an indispensable safety component for industrial robot control systems. Typically installed within a dedicated battery box at the rear of the mechanical arm body, its critical task is to provide continuous, micro-current backup power to the absolute value encoders of each axis servo motors when main cabinet power is disconnected. It preserves the robot’s absolute position (origin) data, ensuring the arm immediately resumes precision welding upon startup without requiring tedious manual zero-point recalibration.

🔄 Model Upgrade & Interchangeability Guide

As shown in the comparison above, the legacy battery model W-L02722 has been officially discontinued. OTC DAIHEN has upgraded this replacement part to the new W-L01399C. Although the new model features updated jacket coloration and packaging branding, it is 100% identical and compatible in core voltage, battery capacity, discharge curves, and physical connector dimensions. Users can confidently order the new model for seamless plug-and-play replacement.

⚠️ Battery Replacement Disciplines & Origin Retention Guidelines

• Never Mix Old and New Batteries (Replace in Sets of 3): Robot body batteries operate collaboratively in sets of three (see image above). When replacing, all three units must be renewed simultaneously. Mixing old and new cells causes overall circuit voltage to drop, shortening new battery lifespan and triggering premature encoder low-voltage alarms.
• Adhere to Energized Replacement Protocol: To prevent total encoder power loss and subsequent origin data erasure during battery replacement, standard maintenance guidelines require replacing batteries while the control cabinet is powered ON (with servo power disabled). Always strictly follow the official OTC DAIHEN maintenance manual instructions.
• Reject Inferior Aftermarket Cells: Counterfeit and low-quality batteries suffer from rapid voltage drop and severe electrolyte leakage risks. Corrosive electrolyte leaks can destroy internal wiring harnesses, while voltage instability can damage encoder PCBs, resulting in permanent position data corruption and costly servo motor replacement. Insist on genuine OEM batteries for automated production safety.