Repairing the Monitor
Efficia CM Series Repair Guide 4-5
Replacing the Battery
Replacing the Battery
Caution • Before you remove the battery, perform a monitor hard shutdown to ensure that
all patient and system data is saved in memory.
• Dispose of used batteries in an environmentally responsible manner. Do not
dispose of the battery in normal waste containers. Consult your hospital
administrator to find out about local arrangements.
Replace the battery if the following conditions occur:
• After reconditioning, if the Max Error exceeds 2%.
• If the battery does not recharge to full capacity after four reconditioning cycles.
• If the battery cycle count exceeds the recommended limit of 300 cycles.
• If the battery is older than three (3) years.
Warning The risk of battery failure increases with age, when a battery remains in use past
300 charge-discharge cycles or 3 years. Such failures can result in overheating that
in rare cases can cause the battery to ignite.
Battery Part Numbers
The following table contains Efficia lithium ion battery part numbers.
Temperature Battery temperature
Full Capacity The predicted capacity of the battery when it is fully
charged
Design Capacity The theoretical or nominal capacity of a new battery
Design Voltage The theoretical voltage of a new battery
State Register The value of the battery state register
Mode Register The value of the battery mode register
Charging Voltage The desired charging voltage
Charging Current The desired charging current
Parameter Description
Description Part Number
3-cell 989803189981
9-cell 989803199221
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