Valve-regulated Lead Acid (VRLA) Battery Systems

Preventative Maintenance Program

Valve-regulated Lead Acid (VRLA) Battery Systems Preventative Maintenance Program
Description Frequency (Q / S / A)
Record Battery Make/Model and Date Code Q-S-A
Measure and record battery string current and voltage (metered reading for each battery string) Q-S-A
Measure and record voltage from most positive to ground and most negative to ground Q-S-A
Measure and record AC ripple current going into battery Q-S-A
Measure and record ambient temperature Q-S-A
Measure and record pilot cell float voltage Q-S-A
Inspect battery, rack, floor, and battery area and clean as necessary Q-S-A
Clean exposed battery surfaces Q-S-A
Inspect for cracks, leakage, and corrosion Q-S-A
Measure and record voltage of each cell/unit Q-S-A
Measure and record internal resistance of each cell/unit S-A
Visually inspect each connection Q-S-A
Measure and record connection resistances A
Re-torque electrical connections (battery string must be offline) A
Inspect battery rack integrity A
Confirm safety equipment, labels, manuals Q-S-A
Review customer maintenance logs Q-S-A
Record inspection date Q-S-A
Provide completed inspection report Q-S-A