BYD Battery-Box HV User Manual
8
6 Cleaning and Maintenance
6.1 Cleaning
It is recommended that the BYD Battery-Box HV 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.
6.2 Maintenance
6.2.1 Recharge Requirements During Normal Storage
Batteries should be stored in an environment with a temperature range between -10℃～+45℃,
and maintained regularly according to the following table with 0.5C (12.5A) current until 40% SOC
after a long time of storage.
6.2.2 Recharge Requirements When Over Discharged
Please recharge the over discharged batteries in a timeframe that is in accordance to the following
table, otherwise the over discharged battery modules will be damaged.
Recharge conditions when in storage
Storage Environment
Temperature
Relative Humidity of
Storage Environment
Storage Time
SOC
Below -10℃
/
prohibit
/
-10~25℃
5%~70%
≤12 months
30%≤SOC≤60%
25~35℃
5%~70%
≤6 months
30%≤SOC≤60%
35~45℃
5%~70%
≤3 months
30%≤SOC≤60%
Above 45℃
/
prohibit
/
Recharge conditions when battery is over discharged
Storage Environment Temperature
Storage Time
-10~25℃
≤
15 days
25~45℃
≤
7 days
