A5/A3™ Operating Instructions 046-003777-00 1 - 7
Product Description General System Overview
NOTE: Inspect and replace the battery supply at regular service intervals.
Long-term battery life depends on how frequent and how long the
battery supply is used. For a properly maintained and stored lithium-
ion battery, its long-term life expectancy is approximately three (3)
years. In more aggressive usage, life expectancy can be shortened.
Replacing lithium-ion batteries every three (3) years is recommended.
NOTE: The operating time of a battery depends on equipment configuration
and operation.
NOTE: In case of battery failure, contact Mindray service personnel for battery
supply replacement.
NOTE: When a battery has been stored for a long time, or the battery is
depleted, recharge the battery at once. Otherwise, the low battery may
not be sufficient to power the A5 if the AC power is unavailable.
CAUTION: Please replace your battery when it reaches the end of its service life.
Failure to replace the battery may cause serious damage to your device
from battery overheating.
The A5/A3 Anesthesia System is designed to operate on battery power whenever AC power is
interrupted. When the A5/A3 is connected to an AC power source, the battery supply is charged
whether or not the A5/A3 is turned on. In case of power failure, the A5/A3 will automatically switch to
run from the internal battery supply. When AC power source is restored within the specified time, the
battery supply begins recharging, and power is switched from battery to AC automatically to ensure
continuous system use.
When power is lost for less than or equal to 60 s, the alarm settings prior to the power loss shall be
restored automatically.
The on-screen battery symbol indicates the battery status (see FIGURE 1-1).
PART(S) DESCRIPTION
Battery supply is fully charged.
AC power is connected.
The A5/A3 is being powered by AC power.
Battery supply is partially charged.
AC power is connected and charging battery supply.
The A5/A3 is being powered by AC power. The solid portion
represents the current charge level of the batteries in proportion
to its maximum charge level.
Battery supply is fully charged.
AC power is not connected.
The A5/A3 is being powered by internal battery supply.
Battery supply is partially charged.
AC power is not connected.
The A5/A3 is being powered by internal battery supply.
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