BYD B-BOX 2.5 - 6 Cleaning and Maintenance; Cleaning; Maintenance

Page 14
6 Cleaning and maintenance
6.1 Cleaning
The B-BOX system is recommended to be cleaned periodically. If the enclosure is in a dirty
condition, please use a soft and dry brush or a vacuum to remove the dirt.
Do not use liquids such as solvents, abrasives or corrosive liquids in the enclosures.
6.2 Maintenance
The B-BOX should be installed in position with the temperature range of -10℃～+50℃.And the humidity is
less than 80%.The load-bearing of battery’s package is less than 300Kg.So don’t let more than 7 modules in
stack.
The capacity of module before delivery is 70%(35AH).So after long time storage the module need do
maintenance. Charge battery with 0.1C (5A) for 5 hours when maintenance.
Storage parameters under different storage conditions-1
Storage
environment
temperature
Relative humidity of
storage environment
Storage
time
SOC
Below -20℃
/
prohibit
/
-20~25℃
5%~70%
≤12 months
30%≤SOC≤60%
25~35℃
5%~70%
≤6months
30%≤SOC≤60%
35~45℃
5%~70%
≤3months
30%≤SOC≤60%
Above 45℃
/
prohibit
/
When SOC is less than 1%,.The module will be damaged after several days if do not charge the module in
time,
Storage parameters under different storage conditions-2
Storage
environment
temperature
Storage time
-20~25℃
≤15 days
25~45℃
≤7 days
CAUTION:
When user needs to clean the B-BOX, please stop the system firstly.