The power storage cabinet can be locked

Do battery cabinets need to be locked?

Battery cabinets must enclose the batteries behind locked doors accessible only to authorized personnel. As long as the cabinets are kept locked, they can be located in a computer room or other rooms accessible by non-battery technicians.

Why do you need a battery cabinet?

Ease of use is one of the principle selling points for battery cabinets. It is convenient to service the equipment when the UPS and the battery (ies) are right next to each other. Conversely, it is inconvenient to have to go to a separate room when open-rack batteries are installed.

How many cells can a battery cabinet hold?

One cabinet should be able to hold at least one complete string of cells. Best practice is that strings should not be split between two cabinets in order to ensure reliability of the entire string. Figure 1 - Battery cabinet with top terminal cells A battery disconnect switch should be located as closely as possible to the end of a string.

Do battery cabinets have top clearance?

Battery cabinets are frequently criticized for their lack of top clearance. For example, in a cabinet containing multiple strings of low ampere-hour batteries, there might be several shelves, each with one string of cells. The cell units on each shelf might be arranged two, three, or more cells deep.

Are open rack batteries safe?

Open rack batteries expose potentially lethal voltage to any person coming in contact with them. Therefore they must be installed in battery rooms in which room access is restricted to authorized personnel only. Authorized personnel must be trained in battery safety.

Can a battery be installed on an open rack?

Batteries installed on open racks almost always require installation in a battery room. Sometimes they are installed in the same room as the UPS (i.e., electrical equipment room). Local or regional codes may dictate whether batteries are permitted in an electrical room.