PA Series Biofeedback and Stimulation System User Manual Introduction
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the battery may have failed, check the battery performance.
Please refer to Step 1~Step 3 in section 2.3.4, and record the running time of the battery,
which reflects the battery performance. If the running time is obviously less than the
specified time in the specification, the battery may have reached its service life or
malfunctioned, please change the battery or contact the service personnel. If the running
time meets the specification, then the battery can continue to be used normally.
2.3.7 Recycling the Battery
If the battery is obviously damaged or the battery is exhausted, it should be replaced and
properly recycled. When disposing of used batteries, follow the corresponding
regulations.