Dali T9, User Manual, Page: 13 / 40

13
3.1.2 Battery replacement
When the battery symbol is empty and flashes, it indicates that the battery is
exhausted and the battery should be replaced at this time. After the instrument displays
the low battery prompt, it will automatically shut down.
shut down prompt
3.2 Common sense of battery safe use

The battery should be stored as far as possible at an ambient temperature of
-20
℃∽
20
℃
. Because the battery has a small amount of self-discharge during
storage, in order to avoid possible over-discharge during storage and affect the
battery capacity, the battery should be fully charged and stored , And charge it at
regular intervals. The time interval is as follows:

The ambient temperature is -20
℃∽
20
℃
, once every 6 months;
；

The ambient temperature is 20
℃∽
45
℃
, once every 3 months;

The ambient temperature is 45
℃∽
60
℃
, once every 1 month.

Each charge must be more than 50% of the battery capacity.

The battery should be charged at an ambient temperature of 0°C
∽
40°C. Charging at
an ambient temperature of 0°C will reduce the battery capacity. Charging above 40°C
may cause the battery to overheat and cause damage.
! Warning
：