Preventative Maintenance Services

There are many factors that affect battery efficiency such as heat, age and battery chemistry.  A preventative maintenance program will help lengthen the life of a battery system.  Below is highlights of a typical preventative maintenance program.  All maintenance activities conform to NERC PRC-005 standards.

Vented Lead Acid Batteries

Every 4 calendar months

  • Verify station DC voltage
  • Inspect electrolyte level
  • Inspect for unintentional grounds

Every 18 calendar months

  • Verify float voltage of battery charger
  • Verify battery continuity
  • Verify battery terminal connection resistance
  • Verify battery intercell or unit to unit connection resistance
  • Inspect cell condition of all individual battery cells (where visible)
  • Inspect physical condition of rack

Valve Regulated Lead Acid Batteries

Every 4 calendar months

  • Verify station DC voltage
  • Inspect for unintentional grounds

Every 6 calendar months

  • Measure battery/cell internal ohmic values

Every 18 calendar months

  • Verify float voltage of battery charger
  • Verify battery continuity
  • Verify battery terminal connection resistance
  • Verify battery intercell or unit to unit connection resistance
  • Inspect physical condition of rack

Nickel Cadmium Batteries

Every 4 calendar months

  • Verify station DC voltage
  • Inspect electrolyte level
  • Inspect for unintentional grounds

Every 18 calendar months

  • Verify float voltage of battery charger
  • Verify battery continuity
  • Verify battery terminal connection resistance
  • Verify battery intercell or unit to unit connection resistance
  • Inspect cell condition of all individual battery cells (where visible)
  • Inspect physical condition of rack

 

Per NERC PRC-005 Standards – A capacity test on every battery system shall be completed at least every 6 years.