12-8
12.8 Battery Maintenance
CAUTION
The batteries can only be charged by this ventilator.
NOTE
Use batteries at least once every month to extend their lives. Charge the batteries
before they are depleted.
Inspect and replace batteries regularly. Battery life depends on how frequent and
how long battery is used. For a properly maintained and stored lithium battery, its
life expectancy is approximately 2 years. For more aggressive use models, life
expectancy can be shortened. We recommend replacing lithium batteries every 2
years.
In case of battery failure, contact us or have your service personnel replace it. Do
not replace the battery without permission.
Check battery performance once every six months. Checking battery performance
is also required before ventilator repair is carried out or when battery is doubted
to be the source for ventilator failure.
Condition batteries once every time when they have been used for three months or
when the battery running time becomes noticeably short.
The ventilator is designed to operate on battery power whenever power supply becomes
interrupted. When the ventilator is connected to the external power source, the batteries are
charged regardless of whether the ventilator is currently on or not. In case of power failure,
the ventilator will automatically be powered by the internal batteries. When external power
source is restored within the specified time, power supply is switched from battery to external
power supply automatically to ensure continuous system use.
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General