21-1
21 Batteries
21.1 Overview
The battery charges when the system is connected to the AC power supply.
z If the system is turned off; a completely discharged battery will fully charge in 2 to
3 hours; or generally a battery has been charged for 2 hours, it can restore the
quantity of electric charge to above 95%.
z If the system is turned on; a completely discharged battery will fully charge in 14
hours.
NOTE: It is recommended to charge the batteries when the system is turned off,
thus you can quickly charge the batteries and save time.
When the external power supply is not connected, two lithium-ion batteries will provide
the power.
The model of the chargeable lithium-ion batteries (hereinafter called batteries for short) is
LI23I001A.
NOTE: 1 Only use the specified batteries.
2 Charge the batteries periodically if they have not been used for a long
period of time. Otherwise, the performance of the batteries is degraded.
3 If there is only one battery in the system, it cannot supply power and
cannot be charged.
4 Replace both batteries at the same time.
21.2 Precautions
You shall observe the following precautions:
1 Before using the batteries, carefully read the description in the label on the surface
of the batteries.
2 When you use the batteries at the first time and find that they are dirty or emit an
odor, do not use them.
3 Do not expose the batteries to heat sources or high pressure.
4 Do not knock the batteries.
5 Do not leave the batteries in direct sunlight.
6 The batteries are designed to be charged only in this system; charge the batteries
only when the ambient temperature is between 0 and 40
℃.
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