12
Maintenance and Storage
33
12.
Maintenance and Storage
Cleaning
It is recommended that the battery system be cleaned periodically. If the enclosure is dirty, please
use a soft, dry brush or a dust collector to remove the dust. Liquids such as solvents, abrasives, or
corrosive liquids should not be used to clean the enclosure.
Maintenance
The battery module should be stored in an environment with a temperature range between -10°C～
+50°C, and charged regularly according to the table below with no more than 0.5 C (A C-rate is a
measure of the rate at which a battery is discharged relative to its maximum capacity. ) to the SOC
of 40% after a long time of storage.
Storage environment
temperature
Relative humidity of the
storage environment
Storage time
SOC
Below -10℃
/
Not allowed
/
-10~25℃
5%~70%
≤ 12 months
25%≤SOC≤60%
25~35℃
5%~70%
≤ 6 months
25%≤SOC≤60%
35~50℃
5%~70%
≤ 3 months
25%≤SOC≤60%
Above 50℃
/
Not allowed
/
Damage to the battery system due to under voltages
• If the battery system doesn't start at all, please contact BYD local after-sales service within 48
hours. Otherwise, the battery could be permanently damaged.
Shen
z
hen BYD Electronic Co.
,
L
TD
