VS 8/VS 8A Vital Signs Monitor Operator’s Manual 17 - 5
• Do not use the monitor to monitor a patient during battery conditioning.
• Do not interrupt battery conditioning. Interrupting battery conditioning to
use the monitor will prevent completion of the conditioning cycle and
require repeating the conditioning process completely to properly condition
the battery.
17.7.2 Checking Battery Performance
The performance of a rechargeable battery deteriorates over time. You should check the
battery performance periodically or if you are concerned that the battery may fail.
See steps 1 to 5 of 17.7.1 Conditioning the Battery to check battery performance. The
operating time of the battery reflects their performance directly. If the operating time of
a battery is noticeably shorter than that stated in the specifications, the battery may
reach its service life or malfunction. If the battery performance meets the requirement,
fully charge the battery again for use or charge it to 40 – 60% for storage.
• Battery operating time depends on equipment configuration and operation.
For example, high display brightness or measuring NIBP repeatedly will
shorten the battery operating time.
17.8 Storing Batteries
When storing batteries, make sure that the battery terminals do not come into contact
with metallic objects. If batteries are stored for an extended period of time, place the
batteries in a cool place with a partial charge of 40% to 60% capacity.
Condition the stored batteries every three months. For more information, see
17.7.1 Conditioning the Battery.
• Remove the battery from the equipment if the equipment is not used for a
prolonged time (for example, several weeks). Otherwise the battery may
overdischarge.
• Storing batteries at high temperature for an extended period of time will
significantly shorten their life expectancy.
• Storing batteries in a cool place can slow the aging process. Ideally the
batteries should be stored at 15 °C.
17 - 6 VS 8/VS 8A Vital Signs Monitor Operator’s Manual
17.9 Recycling Batteries
Discard a battery in the following situations:
■ The battery has visual signs of damage.
■ The battery fails.
■ The battery is aged and its runtime significantly less than the specification.
■ The battery service life is reached.
Properly dispose of batteries according to local regulations.
• Do not open batteries, heat batteries above 60 °C, incinerate batteries, or
short the battery terminals. They may ignite, explode, leak or heat up,
causing personal injury.
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