When the power density of a single cabinet is greater than 10kl/R, which cooling method is recommended?

During the use of the battery, in order to reduce the deterioration of the trend of voltage imbalance between batteries, it is necessary to increase the charging voltage of the battery pack, activate and charge the battery, and prolong the battery life. The maintenance method is called ().

When calculating the battery capacity, the battery discharge capacity system at different backup time is the same.

When Huawei air-cooled air conditioner is installed, the required time for maintaining positive pressure in the refrigerant pipeline is () hours.

When the battery status of the UPS2000G is NA, it may be ().