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Typical BULK and FLOAT Setpoints for Common Battery Types (12 VDC System)
Battery Type Bulk Volts Float Volts
Gelled Lead-Acid (sealed ) 14.1 volts 13.5 volts
Liquid Lead-Acid (not-sealed) 14.5 volts 13.4 volts
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TIME
12
12.5
13
13.5
14
14.5
15
DC CURRENT
BATT VOLTS