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Operation
Battery Operating Time
The amount of time the ventilator will operate on the internal battery
depends primarily on the machine settings being used. The following
table shows the approximate internal battery life expectancy for a fully
charged battery.
CPAP or IPAP Setting
10 cmH
O
2
15 cmH
O
2
20 cmH
O
2
25 cmH
O
2
30 cmH
O
2
WARNING: When running on battery, the high flows that occur
during a patient disconnect will cause the battery to deplete in as
little as 2 minutes. Connect AC power immediately if the Battery
Depleted Alarm sounds to avoid total loss of power.
Battery Charging
The internal battery technology is NiMH (Nickel Metal Hydride). The
battery will automatically charge when the unit is connected to mains
power (AC) via the DC power supply and when the power switch on the
back of the ventilator is in the ON ( | ) position. The ON AC POWER LED
will illuminate indicating that mains is connected and the BATTERY
CHARGING LED will illuminate indicating that the charging cycle is in
progress. The battery is fully charged when the BATTERY CHARGING
LED turns off.
The charging cycle operates in Normal mode and in Standby mode.
Battery charge time is typically less than 5 hours, but can be longer
depending on environmental conditions (primarily temperature).
It is important to maintain a fully charged internal battery in case of a
mains power outage. Any time the BiPAP Focus has been in storage, a
44
Table 3: Internal Battery Life Expectancy
Approximate Battery Life
60 minutes
50 minutes
40 minutes
30 minutes
20 minutes
®
BiPAP
Focus™ Noninvasive Ventilator System
1027404 Rev K
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