80-0078-00-MO-RevD 2018-08-02 SunTech CT50 User Manual | 54
8. Battery
8.1 Introduction
The monitor can be fitted with a rechargeable battery to ensure continuous operation in the event of a power outage.
The battery requires no special maintenance under normal conditions. While the monitor is connected to an external
power source, the battery will charge, regardless of whether the device is on or off. In the case of a sudden power
outage, the monitor will automatically switch to battery power without any interruption of measurement.
Battery status can be found at the top right corner of the touch screen.
indicates that the battery is fully charged.
indicates the battery is depleted and needs recharging.
indicates the battery is recharging.
indicates the battery is abnormal.
Battery power lasts for a limited time. When battery power is very low, the monitor will issue a technical alarm. The
user should immediately connect the device to a power supply to charge the battery.
Caution: If the monitor is unlikely to be used for an extended time period, remove the battery prior to shipping or
storage.
Warnings:
• Use only the battery specified in this manual.
• Keep the batteries out of children’s reach.
• Check the battery regularly to guarantee its normal function.
• Replace the battery at the end of its service life.
• The battery can only be replaced or maintained by professional personnel specified by SunTech Medical, or
the device may not be operational.
8.2 Installing a Battery
The battery compartment is located on the bottom of the monitor. Follow these steps when installing the battery:
1. Turn off the monitor and disconnect the power cable and other connected wires and cables.
2. Open the battery door in the direction indicated on the door label.
3. Take out the old battery.
4. Insert the new battery in the direction indicated.
5. Close the battery door.
8.3 Optimizing Battery Performance
A battery needs at least two optimizing cycles when it is put into use for the first time. A battery cycle is one
complete, uninterrupted charge of the battery, followed by a complete, uninterrupted discharge of the battery. A
