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LIFEPAK 500 automated external defibrillator Battery Maintenance
10-4
Battery Maintenance Page 3 of 12
Nonrechargeable
Battery Pak
The nonrechargeable lithium battery pak requires less maintenance than the
SLA battery pak since it never requires recharging. With the lithium battery pak
installed, the LIFEPAK 500 AED automatically turns on to test the battery once
every two weeks as part of an Auto Test.
To check the battery level, turn on the AED for at least 10 seconds and check for
battery fault indications. Do not check the status of more than 3 batteries within a
5-minute period. The AED may not accommodate more frequent battery checks.
Note: (LIFEPAK 500 Biphasic AED with Readiness Display only.) The OK
indication on the Readiness Display is equivalent to BATTERY OK on the AED.
A new lithium battery pak has a shelf life of 5 years if stored at the proper
temperature. At room temperature (+20°C or +68°F), a new lithium sulphur
dioxide battery pak can typically deliver 312 discharges at 360 joules, with a
minimum of 230 discharges at 360 joules. A new lithium manganese dioxide
battery pak can typically deliver 416 discharges at 360 joules, with a minimum of
306 discharges at 360 joules.
A new lithium sulphur dioxide battery will deliver approximately 14 hours of unit
operation and a new lithium manganese dioxide battery will deliver
approximately 18 hours of unit operation. Frequent routine testing/training on the
unit with either lithium battery will prematurely deplete the battery. Although a
lithium battery may be stored for up to 5 years (4 years in airline service), it self-
discharges over time.
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