Exide Technologies GB4013 - Manual (Page 6)

Page 6
The acid resistant, electrolyte level sensor is installed in a central cell of the battery by the GNB
manufacturing facility or distribution center prior to battery shipment. The sensor lead wire is attached
to the negative post of the second cell away from the sensor towards the battery negative terminal.
See the following diagram for a 12-cell battery example.
When the light of the sensor is ON and FLASHING, the electrolyte level is within the recommended
operating range. When the light of the sensor is OFF, water addition to the battery cells is needed.
Operation of the sensor and lead wire connections should be checked quarterly. Sensor operation can
easily be checked by lifting it out of the cell. If the light goes OFF, the sensor is functional and can be
reinserted. When the sensor is removed from the cell, if the light continues to FLASH, check the lead
wire connections. If, after confirming the lead wire connections, the light continues to FLASH while out
of the cell, replace the electrolyte level sensor.
The single point watering system, manufactured by Battery Watering Technologies (BWT), provides a
quick, efficient method for adding water to flooded lead-acid batteries. The system fills all cells to the
proper height with one simple and convenient connection.
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