Liebert ITA UPS 16kVA User Manual page 3

Battery voltage exceeds 400Vdc
Tools or keys should be used for all batteries maintenance, which should be carried out by trained personnel.
Battery use requires special care. After the battery is connected, the voltage of the battery terminal will exceed 400Vdc, and
physical contact would be fatal.
Battery manufacturers supply details of the necessary precautions to be observed when working on, or in the vicinity of the
battery strings. These precautions should be followed implicitly at all times. Particular attention should be paid to the
recommendations concerning local environmental conditions and the provision of protective clothing, first aid and
fire-fighting facilities.