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Blogs

With decades of experience in the industrial battery industry to draw from, we are passionate about sharing our range of knowledge with anyone who wants to hear it. Upon reviewing our latest blogs, please feel free to comment or ask questions, because we would definitely enjoy hearing from you.

  • Did You Know? November 2020

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    Did you know, according to Siemens, NERC PRC-005 is the most violated NERC Reliability Standard? It states that “Part of the difficulty is the detail to which a generator or transmission owner must understand and interpret the sometimes vague and confusing language of the standard into actionable and well documented maintenance plans.” Furthermore, PRC-005 – for all covered battery types – requires that the float charge voltage be measured at the charger output. What about voltage drop? This is especially true with low-voltage DC where the voltage drop can be significant, especially if the cabling to the battery has been undersized. The charge voltage should be measured at the battery […]

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  • Why Do We Need Battery Monitoring If We Do Discharge Testing?

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    Introduction This is a question that is often asked, and the answer is relatively simple. A discharge test measures the capacity of the battery and a battery monitoring system is a maintenance tool. Let me explain further. Capacity Testing A lead acid battery is a collection of lead-based electrochemical cells, each with a nominal voltage of 2 Volts, assembled in series to achieve the operating voltage and in parallel to obtain the capacity required for the load they are intended to power. Depending on the application, the battery will have a predicted life of between five and twenty years. For example, a VRLA high-rate battery with a fifteen minute runtime […]

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  • Did You Know? October 2020

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    Switch Mode Rectifiers Did you know that the first Switch Mode Rectifier was invented 110 years ago and was a mechanically switched version used in the Cadillac motor car? The most common technology in use today for stationary battery charging is the Switch Mode Rectifier (SMR). They offer a higher efficiency and are smaller and lighter than the legacy Ferro Resonant and Silicone Controlled Rectifier (SCR) types. More importantly, they are easily field-swappable. Did you know that the SMR was first invented 110 years ago and was a mechanically switched version used in the Cadillac motor car? Did you know that the Cadillac was named after a French explorer named […]

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  • “Sealed Maintenance-Free” Batteries. What a Myth!

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    The term “Sealed Maintenance-Free,” in my opinion, is a marketing-driven term. In the early 1980’s, when telephone Private Branch Exchanges (PBX’s) were being deployed into customer premises, computer mainframes were migrating out of dedicated computer rooms, and smaller computers were being situated in occupied office space. Consequently, users were demanding that the battery manufacturers come up with backup batteries that were smaller, lighter, more user-friendly, and could safely be used co-located with electronic equipment outside of a dedicated battery room. Well, the manufacturers and their marketing arms came up with what the users wanted, and they touted them as “Sealed Maintenance-Free Batteries.” However, nothing could be further from the truth. […]

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  • Codes, Standards, Practices and Guides: An Overview

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    There are a myriad of codes, standards, guides and practices associated with lead-acid and nickel cadmium stationary batteries. A former colleague of mine and a code expert, used to say that, “the good thing about codes and standards is that there are so many of them to choose from.” The following is an extract from a paper that the author presented at the 2010 International Telecommunications Energy Conference (Intelec)1. “The manufacture, transportation, installation, operation, maintenance and disposal of stationary batteries are governed by a myriad of Codes, Standards, Guides and Practices. It can really be a confusing maze leading to a potentially legal minefield. The basic code is typically the […]

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  • How to Perform Lead Acid Battery Maintenance: A step-by-step guide to visual battery inspection

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    Preventative lead acid battery maintenance should always be viewed as a priority, addressed and executed by knowledgeable personnel with proper, training, safety tools and protective equipment.2 For any additional information about battery maintenance and visual batter inspections, please review our recent webinar on this topic. 1Source: B-Tech, Inc. 2Source: IEEE Std 1188™-2005 […]

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  • A Heated Discussion on Lead-Acid Batteries

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      Having just endured one of the hottest Julys on record, many people have been subjected to extremely hot environments lately. And, in some cases, where their bodies have produced or absorbed more heat than they could dissipate, people have been experiencing an abnormally high body temperature due to the failure of their body to thermoregulate. This is called hyperthermia. In fact, as I wrote this piece, the outside temperature was 92°F with 65% relative humidity, which according to the NOAA chart, indicates a heat index of 108°F – in the “danger zone.” The National Weather Services will usually issue an alert when the heat index is expected to reach […]

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  • Celebrating American Made

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    At Eagle Eye, as we celebrate Independence Day, we take great pride in offering those products made right here in the USA. Some of those products are our stationary battery float chargers – manufactured in America’s Heartland, for over 50 years. After all, we all know there are certain things that just can’t be replicated by products made anywhere else – things like reliability, durability and long-lasting performance. The American Standard still stands for something, and these battery chargers are no exception. They are industry-leading products that are a direct reflection of the hard-working people who make them. THE IMPORTANCE OF BATTERY CHARGERS Charging critical battery-powered systems should never be […]

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  • Celebrate Summer Solstice with Solar Battery Backup

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    It’s that time of year again. Tomorrow is the Summer Solstice, aka the first day of summer, the longest day of the year, and the day of the year with more sunlight than any other in the Northern Hemisphere. For most of us in the U.S., we will experience somewhere around 15 hours or so of daylight tomorrow. But, did you know, more energy from the sun will reach the surface of the Earth in just one of those hours than the entire population uses in a year1? This means the opportunities to utilize solar energy as a renewable source of power are completely untapped. And using solar systems in […]

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  • How it all Started – The “Unauthorized” History of Battcon

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    Note: Allen recognizes that there were also some other influences from the defunct New England Battery Conference and some other entities and these are not covered in this perspective. Others may have some input on this. At the 5th International Power Quality Conference held in Irvine, CA during a Power Quality Forum discussion, it was the general consensus of the participants that the battery, particularly the Valve – Regulated Lead-Acid battery (VRLA), had become the “Achilles’ heel” of the electrical power back-up systems. This prompted myself and George Pedersen, now an Eagle Eye colleague, to present a paper in 1993, at the annual Building Industry Consulting Service International (BICSI) Conference, […]

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