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

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.

Can a storage battery system be in the same room?

Battery systems shall be allowed to be in the same room with the equipment they support. Storage batteries, prepackaged stationary storage battery systems and preengineered stationary storage battery systems shall be segregated into stationary battery arrays not exceeding 50 kWh (180 megajoules) each.

How many cables should a cabinet hold?

Cable lengths from multiple cabinets should be kept as nearly identical as possible to prevent voltage drop variations. 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.

Where should stationary storage batteries be housed?

Where stationary storage batteries are located in an occupied work center, they shall be housed in a noncombustible cabinet or other enclosure to prevent access by unauthorized personnel.

Should UPS batteries be installed on racks or in cabinets?

Early on in a UPS design a decision must be made on whether batteries should be installed on racks or in cabinets. Both have pros and cons. The following are typical design considerations.