If AC power is not applied to the device after it triggers the high priority technical alarm,
the device will shut down at or close to 0 minutes of remaining battery charge.
Battery charging is provided by the device’s internal power supply. The power reserve
threshold is determined by the device's software.
For a complete list of battery specifications, see the device’s directions for use.
Best practices
The following practices help to extend the life of the battery and the device.
WARNING Safety risk. When handling and storing Lithium-ion batteries:
Avoid mechanical or electrical abuse. Batteries may explode or cause burns
if disassembled, crushed, or exposed to fire or high temperatures. Do not
short or install with incorrect polarity.
• Whenever possible, keep the monitor plugged in to charge the battery.
• Remove the battery when storing the device for an extended amount of time.
• Replace batteries that trigger a low battery status message when fully charged.
• Do not use damaged or leaking batteries.
• Store batteries with a 30 to 50 percent charge.
• Store batteries within the temperature range indicated for each period:
○
For storage less than 30 days: Maintain temperature between –4 °F and 122 °F
(–20 °C and 50 °C).
○
For storage between 30 days and 90 days: Maintain temperature between –4 °F
and 104 °F (–20 °C and 40 °C).
○
For storage more than 90 days up to 2 years: Maintain temperature between –4
°F and 95 °F (–20 °C and 35 °C).
• Recycle batteries where ever possible. In the United States call 1-877-723-1297 for
information about recycling your Lithium-ion battery or go to the Call2Recycle
website at
http://www.call2recycle.org for additional information.
• When recycling is not an option dispose of batteries in an environmentally safe
manner consistent with local regulations.
Factors affecting battery operating time
The following table presents settings and conditions that affect the battery operating
time and recommendations to maximize battery life.
Setting / Condition Recommended setting
Display brightness setting 5
Sleep mode setting 1 minute
Automatic power-down setting 15 minutes
Service manual Overview 17
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