Battery Testing Reference

Data record tests.battery-internal-ohmic-measurement.equipment.battery-vrla.maintenance

Verified 2026-10-29 Confidence: High

Battery Internal Ohmic Measurement is specified for valve-regulated lead-acid batteries in maintenance testing at clause 7.18.1.3.B.5 of ANSI/NETA MTS-2023.

Value: valve-regulated lead-acid batteries

ProvenanceANSI/NETA MTS-2023 supports data record tests.battery-internal-ohmic-measurement.equipment.battery-vrla.maintenance, which is cited on the entry Battery Internal Ohmic Measurement.SOURCEANSI/NETA MTS-2023ANSI/NETA MTS-2023Licensed standard, clause 7.18.1.3.B.5DATA RECORDtests.battery-internal-ohmic-measurement.equipment.battery-vrla.maintenancetests.battery-internal-o..Verified 2026-10-29ENTRYBattery Internal Ohmic MeasurementBattery Internal Ohmic M..No revisions
Provenance. Where this record comes from and where it is used: the cited source, the record itself and the entry that cites it.
Provenance: the chain from source to entry.
StepItemDetail
SourceANSI/NETA MTS-2023Licensed standard, clause 7.18.1.3.B.5
Data recordtests.battery-internal-ohmic-measurement.equipment.battery-vrla.maintenanceVerified 2026-10-29
EntryBattery Internal Ohmic MeasurementNo revisions
Subject
Battery Internal Ohmic Measurement (Test methods)
Kind
Equipment fact
Source
ANSI/NETA MTS-2023, clause 7.18.1.3.B.5, Maintenance Testing Specifications for Electrical Power Equipment and Systems, NETA. Publisher page for ANSI/NETA MTS-2023Publisher information page
Also stated in
  • FIST 3-6, section 4.5.5.2, page 60 (braces in the original) (April 2020).
    Read the reference passage

    4.0 Valve-Regulated Lead-Acid (VRLA) Batteries (Gel Cells) - 4.5.5.2 Periodic Maintenance

    "Measure and record the internal resistance on each cell."

    FIST 3-6, section 4.5.5.2, page 60 (braces in the original), April 2020. Agency copy of FIST 3-6

    The current standard governs; this passage is a public-domain description of the practice dated April 2020.

  • FIST 3-6, section 4.5.5, page 60 (April 2020).
    Read the reference passage

    4.0 Valve-Regulated Lead-Acid (VRLA) Batteries (Gel Cells) - 4.5.5 Internal Resistance

    "Internal resistance is a good indication of the state of charge and a substitute for specific gravity readings taken on flooded, lead-acid type cells. Measuring the internal resistance of a module monitors the two main failure modes: grid corrosion and dry out."

    FIST 3-6, section 4.5.5, page 60, April 2020. Agency copy of FIST 3-6

    The current standard governs; this passage is a public-domain description of the practice dated April 2020.

  • FIST 3-6, section 4.6.2, page 63 (step 4) (April 2020).
    Read the reference passage

    4.0 Valve-Regulated Lead-Acid (VRLA) Batteries (Gel Cells) - 4.6.2 Capacity Tests to Determine Replacement

    "Measure and record the internal resistance of all cells/units."

    FIST 3-6, section 4.6.2, page 63 (step 4), April 2020. Agency copy of FIST 3-6

    The current standard governs; this passage is a public-domain description of the practice dated April 2020.

History

Every recorded change to this data record, oldest first.
DateChange
2026-10-29created

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Cite the governing standard for the fact itself; cite this page as the finding aid.

"Data record tests.battery-internal-ohmic-measurement.equipment.battery-vrla.maintenance." Battery Testing Reference. 2026-10-29. https://www.batterytestingreference.com/data/tests.battery-internal-ohmic-measurement.equipment.battery-vrla.maintenance/.