Welch Allyn Spot Vital Signs 4400 Service Manual page 24

20 Overview
• Whenever possible, keep the device 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:
○
○
○
• 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
www.call2recycle.org
• 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
Display brightness setting
Sleep mode setting
Automatic power-down setting
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).
for additional information.
Recommended setting
5
1 minute
15 minutes
https://