Proface AGP3500 - 10.4 DIO HMI" - Manual (Page 60)

Chapter 3 Specifications
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• When the message “RAAA051 Low battery” is displayed, supply power to the display
unit and fully charge the battery. The battery charges within 24 hours to a level which
allows backup operation. Completing a full charge requires about 96 hours (4 days).
• A Lithium battery’s lifetime is: 10 years when the battery’s ambient temperature is 40°C
or less. 4.1 years when the battery’s ambient temperature is 50°C or less. 1.5 years when
the battery’s ambient temperature is 60°C or less.
When used for backup:
Approximately 100 days, with a fully charged battery.
Approximately 6 days, with a half-charged battery.