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■ The battery service life expires.
• Lithium batteries replaced by inadequately trained personnel could result in
a hazard, such as excessive temperatures, fire or explosion.
• Properly dispose of the battery according to local regulations.
12.4.3 Charging the Battery
To optimize performance, a fully or nearly fully discharged battery should be charged as
soon as possible.The battery is recharged automatically when the equipment is
connected to AC mains power.
• The battery should be charged only in this equipment.
• When this equipment is used with a Dock, and the Dock is connected to the
AC power source, the battery is charged automatically.
• Check the battery for adequate power when the equipment runs on battery
power. Charging the battery if required.
12.4.4 Conditioning the Battery
The service life of a battery depends on how frequent it is used. When properly used, the
lithium-ion battery has a service life of approximately two years. If improperly used, its
service life can be shorten. We recommend replacing the battery every two years.
The performance of the battery deteriorates over time. You should condition the battery
every two months.
To condition a battery, follow this procedure:
1. Disconnect the equipment from the patient.
2. Turn off the equipment, and connect the equipment to the external power source.
3. Allow the battery to be charged uninterruptedly till it is fully charged.
4. Disconnect the equipment from the external power source, and turn on the
equipment.
5. Allow the equipment to run on the battery until the battery is completely
depleted and the equipment automatically shuts down.
6. Fully charge the battery again for use or charge it to 40 – 60% for storage.
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