Battery Safety Information 28 Using Batteries
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Charging a Battery
A battery can be charged in monitors used to monitor patients. Charging is quicker in monitors which
are switched off. You can also use the M8043A Smart Battery Charger to charge batteries.
1 Insert the battery into a monitor connected to mains power. The battery LED will light yellow to
indicate that charging is in process (it can take up to three minutes before charging begins).
2 Charge the battery until it is full, the battery LED is green, and the battery power gauge is filled.
In certain situations, where many measurements are in use plus the recorder, the load on the monitor
may be so high that the batteries will not charge. In this case you must use the M8043A Smart Battery
Charger to charge the battery.
Conditioning a Battery
You must condition a battery when its “battery requires maintenance” symbol shows on the Screen. Do
not interrupt the charge or discharge cycle during conditioning.
CAUTION Do not use a monitor being used to monitor patients to condition batteries. The monitor switches off
automatically when there is no battery power left.
You can also use the M8043A Smart Battery Charger for external battery conditioning (requires
adapter, order number 4512 610 17451). For details please see the Instructions for Use for the Smart
Battery Charger. Do not use any other battery chargers or conditioners.
To condition a battery using a monitor,
1 Insert the battery into a monitor connected to mains power.
2 Switch the monitor power off.
3 Charge the battery until it is completely full. Open the Battery Status window and check
that the Batt Fully Charged message is displayed.
4 Disconnect the monitor from mains power, and let the monitor run until there is no battery power
left and the monitor switches itself off.
5 Reconnect the monitor to mains power and charge the battery until it is full for use or charge to
50% for storage.
Storing a Battery
A battery should not remain inside the monitor if it is not used for a longer period of time. Batteries
should be charged to a maximum of 50% for storage.
NOTE The battery will discharge over time if it is stored inside the monitor without AC power connection.
The reported values for “remaining capacity” and “runtime” will become less accurate when the battery
is stored in this way for a longer period of time (that is, several weeks).
Battery Safety Information
WARNING Use only Philips batteries part number M4605A. Use of a different battery may present a risk of fire or
explosion.
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