CS60-USB/CS60/C65 Troubleshooting: Do I need to replace the battery
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Do I need to replace the battery in my CS60-USB, CS60 & C65?
If your headset does not turn on (no green light), then your battery has no charge.Place your headset on the charging base, and look for the base's amber light. If the amber light blinks, then your headset needs to charge. When the headset is fully charged, the amber light will become solid. If, after a full day, the amber light continues to blink, it may indicate a charging problem with the battery.If your headset never fully charges, or if your fully charged headset gives less than 8 hours of talk time, then your battery may need to be replaced. The battery part number is64399-01.To replace the battery:
Remove any ear loops or headbands from the headset.
Locate the two sets of grooves on the sides of the headset. Squeeze them both and pull outward to remove the battery door. (Occasionally, these battery doors stick. You may need to pull or wiggle with considerable force.)
Beneath the battery door, you will see a rectangular battery attached to the headset with two white plastic connecters. Slide these connectors apart to detach the battery.
If you have a replacement battery, attach it by clicking the two white plastic connectors together. Then reassemble the headset by replacing the battery door. Reattach any ear loops or headbands.