7
Battery Compatibility
Recommended Batteries
Nine‑volt alkaline or lithium batteries are
recommended for use in the CADD‑Prizm
®
PCS II pump. Carbon‑zinc, mercury, nickel‑
cadmium, or zinc‑air 9‑volt batteries should
not be used.
Battery Life
The CADD‑Prizm
®
PCS II pump has been
designed to provide optimal battery life. The
expected battery life in the CADD‑Prizm
®
PCS
II pump depends on the following factors:
• Programmed delivery rate
• Operating temperatures
• Frequency of display backlighting
• Frequency of printing
• Battery type and brand
• Battery age
DURACELL
®
Alkaline Battery Life
The following tables may be used to predict
typical alkaline battery life at different delivery
rates when an alkaline battery is used in the
CADD‑Prizm
®
PCS II pump. As expected,
battery life decreases as the delivery rate
increases. These tables are based on
laboratory tests using fresh DURACELL
®
alkaline batteries in CADD‑Prizm
®
PCS II
pumps while the pumps were operating at
room temperature.
Actual battery life may be significantly shorter
depending on the operating temperature and
the storage conditions of the battery.
Battery life is shortened significantly at very
low operating temperatures. For example,
at 0°C (32°F), an alkaline battery will yield
approximately 30% of its normal capacity.
Alkaline batteries do not need to be stored in a
refrigerator. After four years of storage at 21°C
(70°F), an alkaline battery retains approximately
86% of its original capacity. Battery life will
be shorter if the battery is stored above room
temperature. An alkaline battery stored at 43°C
(110°F) will be down to approximately 80% of its
capacity within one year.
3 Batteries
Recommended storage conditions are 10°C
to 25°C (50°F to 77°F) with no more than 65%
relative humidity noncondensing.
The following tables are based on laboratory
tests conducted at room temperature using fresh
DURACELL
®
alkaline batteries and a CADD
®
administration set. Actual battery life will vary
depending on the brand of battery, battery shelf
life and temperature conditions.
ULTRALIFE
®
Lithium Battery Life
The following tables may be used to predict
typical lithium battery life at different delivery
rates when a lithium battery is used in the
CADD‑Prizm
®
PCS II pump. As expected, battery
life decreases as the delivery rate increases.
These tables are based on laboratory tests
using fresh ULTRALIFE
®
lithium batteries in
CADD‑Prizm
®
PCS II pumps while the pumps
were operating at room temperature.
Actual battery life may be significantly shorter
depending on the operating temperature
and the storage conditions of the battery.
Lithium battery life is dependent upon the
temperature and relative humidity of storage.
Recommended storage conditions are less
than 20°C (68°F) with a desiccant to ensure
less than 10% relative humidity.
The following tables are based on laboratory
tests conducted at room temperature using
fresh ULTRALIFE
®
lithium batteries and a
CADD
®
administration set. Actual battery life
depends upon the brand of battery selected, the
particular battery selected, battery shelf life, and
temperature conditions. Smiths Medical’s testing
indicates a large variability in battery life.