Which of the following are the features of the PDU for the UPS2000-G series (6 kVA to 20 kVA)? (Multiple Choice)

For traditional UPSs, the number of batteries cannot be adjusted, and the battery maintenance cost is high because one faulty battery can result in replacement of the whole battery string.
For the UPS5000-A, the number of batteries can be adjusted between ().

Which of the following statements are correct about the UPS5000-A-400/500K usability? (Multiple Choice)

Which of the following statements are correct about UPS5000-E bypass overload capacity?
(Multiple Choice)

When using a UPS5000-E (50 kVA power module) with the actual load of 160 kW, 1+1 rack redundancy, and single UPS backup solution, each rack uses three battery strings, each battery string consists of 40 batteries, and the main switch box capacity is ().