Eagle Eye Power Solutions

Tech Note | Stationary Battery Monitoring Vs. Battery Maintenance: Must They Go Hand-in-Hand?


Battery monitoring has been around for a while. This author first got interested in the subject in the early 1990s when Albér came out with a device that measured the internal dc resistance of a battery cell/unit. To me, this was a giant step forward in battery maintenance. Afterall, with the advent of Valve-Regulated Lead-Acid (VRLA) batteries, it had become difficult to determine the state-of-health (SOH) of a battery because of the inability to see inside the cell/unit and determine the condition of the plates and electrolyte level. Since then, battery monitoring has evolved, with new players and technologies coming into play that included various ohmic measurements.

While battery monitoring does not fully replace periodic battery maintenance, it does provide very useful information as to the battery state-of-health.

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