It mainly includes the following contents:
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1. Device appearance: Check whether the overall appearance of the battery string is intact, whether the battery connection is tight, and whether the battery is properly ventilated.
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2. Battery status indicator: Check the working status of the battery status indicator, including the red alarm indicator, yellow maintenance indicator, and green normal indicator, to ensure that the battery status indicator works properly.
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3. Battery performance: Test the battery pack to check its capacity, output voltage, discharge time and other performance indicators to ensure that it can meet the requirements of the fire emergency lighting system.
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4. Charging status: Check the charging status of the battery pack, including charging times, charging time, etc., to ensure that the battery can be fully charged in time and maintain a proper charging status.
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5. Overall operation: Connect the battery pack to the fire emergency lighting system, check the overall operation, and observe whether the battery pack can normally start and maintain power supply.