8.2 Pre-installation Check
68
8 Installing Batteries (AC Power Supply)
Check Item Requirement
Battery outline • No distortion, flaw or disrepair is detected in the appearance of the battery.
• The terminals are protected properly.
• There is no stain or acid liquid on the surface of the battery .
• The battery terminals are protected against erosion.
Battery structure • The positive and negative leads on the battery are marked to facilitate
connections.
• The polarities, terminals and visual dimensions of batteries must be consistent
with the sample product picture.
• Spare parts, such as bolts, nuts, washers, and connection cables that are
delivered should be consistent with the delivery list.
Battery storage period (overtime
or not)
period since the last charging.)
If the batteries are stored overtime, make a record and consult professional
personnel for processing. Perform the following operations by referring to
Maintenance Guide of Outdoor Cabinets:
• If the storage period of the batteries is 8-12 months, recharge the batteries.
• If the storage period of the batteries is 12-18 months, activate the batteries.
Battery usability check A battery must be replaced if one of the following situations occurs:
• The battery has been stored for more than 18 months without any processing
(battery recharging is required when the storage period of the batteries is 8-12
months, and battery activation is required when the storage period of the
batteries
is 12-18 months).
• The small-current discharge time (when the power module is connected to the
batteries but is not powered on) is over two months.
• The open circuit voltage is lower than 12 V.
Battery maintenance record The power-on time must be recorded.
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