21-3
NOTE
The battery charge level indicator does not indicate the capacity or operating time of the battery. It only
indicates the current battery charge level. The actual battery capacity decreases over time with the use of
the battery. For an old battery, its capacity and operating time may not fulfill battery specifications even the
battery charge level indicates the battery is in full charge. Please replace the battery if its operating time is
significantly lower than the specified time.
To condition a battery, follow this procedure:
1. Disconnect the monitor from the patient and stop all monitoring or measuring.
2. Insert the battery in need of conditioning in the battery slot of the monitor.
3. Apply AC power to the monitor and allow the battery to charge uninterrupted for 10 hours.
4. Remove AC power and allow the monitor to run from the battery until it shuts off.
5. Apply AC power again to the monitor and allow the battery to charge uninterrupted for 10 hours.
6. This battery is now conditioned and the monitor can be returned to service.
Checking a Battery
The battery performance test must be performed every two years, before monitor repairs, or whenever the battery is
suspected as being the source of the problems.The performance of a rechargeable battery may deteriorate over time.
To check the performance of a battery, follow this procedure:
1. Disconnect the monitor from the patient and stop all monitoring or measuring.
2. Apply AC power to the monitor and allow the battery to charge uninterrupted for 10 hours.
3. Remove AC power and allow the monitor to run from the battery until it shuts off.
4. The operating time of battery reflects its performance directly.
Please replace the battery or contact with the maintenance personnel if its operating time is significantly lower than
the specified time.
The battery might be damaged or malfunctioned if its operating time is too short after being fully charged.
The operating time depends on the configuration and operation. For example, measuring NIBP more
frequently will also shorten the operating time.
When a battery has visual signs of damage, or no longer holds a charge, it should be replaced. Remove the
old battery from the monitor and recycle it properly.
21.5 Battery Recycling
When a battery has visual signs of damage, or no longer holds a charge, it should be replaced. Remove the old battery
from the monitor and recycle it properly. To dispose of the batteries, follow local laws for proper disposal.
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