The Existential Threat To Lead-Acid Batteries

As the battery is discharged, it will have to be recharged. The cycle life durability of a battery defines the stability of the battery through repeated cycles.

Finally, the operating environment of the battery needs to be considered. High or low temperatures, for example, can impact a battery’s performance and safety.

Case Study

Over the next few years, many companies are going to grapple with the decision of whether to transition their applications from lead-acid to more modern battery types. There are several economic considerations, which can be demonstrated with a case study.

Tim Karimov, who is the President at California-based lithium-ion battery supplier OneCharge, has said their customers show “the total cost of ownership for Li-ion averages 20% to 40% lower in just 2 to 4 years.”

Here is how they arrive at that number. While they don’t cite base capacity costs for lithium-ion batteries versus lead-acid batteries, they do note in a presentation that a lead-acid battery can be replaced by a lithium-ion battery with as little as 60% of the same capacity:

Lead-acid to lithium-ion comparison

The reason for this is that the maximum discharge of the lead-acid batteries is 80%, whereas lithium-ion batteries can be discharged to zero. In addition to that, lithium-ion batteries can be charged at various points during the day (breaks, etc.), a practice that would quickly reduce the lifespan of the lead-acid battery.

Author: Robert Rapier

Robert Rapier is a seasoned chemical engineer with three decades of international experience in the energy sector. He holds undergraduate degrees in chemistry and mathematics, and a master’s in chemical engineering. Robert has worked extensively in oil refining, production, synthetic fuels, biomass energy, and alcohol production, earning several patents along the way. As Editor-in-Chief of Shale Magazine and a prolific author for Investing Daily, he shares his expertise through various newsletters and his latest book, American Energy: A History of Power, Progress, and Change. Robert's insights have been featured on 60 Minutes, The History Channel, CNBC, and PBS, among others. His articles have appeared in top publications like the Wall Street Journal, Washington Post, and The Economist. For nearly a decade, he has covered the energy sector for Forbes.