Short Circuit Battery Installation Damage

Introduction An electrical contractor created a short circuit during a battery installation. In 2016, we received a called for assistance from one of our customers when their “embedded” electrical contractor installed two battery systems in a new unit at their...

Testing Internal Resistance of VRLA Batteries

Introduction Battery system maintenance and monitoring are key elements in the reliability of any DC battery powered system and are IEEE and NERC requirements. Also, most battery manufacturers require regular maintenance and maintenance records of purchased batteries...

Tubular vs. Flat Plate Battery Design

Introduction Lead-acid batteries have been around for more than 150 years. While flat plate models with a lattice grid represented a technological leap forward in 1881, tubular construction is a more robust technology with many advantages. With advancements such as...

Battery Damage Caused by Unqualified Installers

Introduction An electrical contractor damaged jars during installation resulting in delayed leaks surfacing after new battery and battery building was turned over to plant operations. In 2017 we received a call from a utility customer who reported leaking cells in a...

Battery Warranties Explained

Introduction: Battery Warranties The idea of the 20-year warranty began in the 1960s as a marketing campaign for lead calcium batteries. With newer battery technologies being developed with different design, performance and construction principles, the industry finds...