Save Thousands On Medical Batteries Each Year

July 18, 2017

Reports from the Energy Storage Research Program at DOE have found that “every year roughly one-million usable lithium-ion batteries are sent for recycling”. Knowing when to replace a battery is an ongoing concern and date-stamping serves as only a partial and imperfect solution.

It is important to understand and acknowledge the fact that batteries do not fail suddenly, but rather they follow a predicted decline in capacity losing performance over time. Battery life is governed by usage, not time.

A new battery is rated at a nominal capacity of 100%. As the battery ages, the reserve capacity drops and the battery eventually needs replacing when the reserve capacity falls below a certain level to be defined depending on the application of a battery-powered medical device.

Over time, a battery fills up with unusable capacity (memory)

Nickel-based batteries provide about three-years of service; Li-on five. Storage characteristics have also improved. However, under-usage in healthcare is more common than ever, and bio-medical technicians have discovered that many medical batteries that are recycled still have a capacity of above 90%, leading to millions of unchecked batteries being discarded every year. 

The date-stamping approach to batteries has several serious flaws:

The goal of the ISO1285 Certified Cadex C7X00 Battery Analyzers is to ensure that critical medical equipment is ready to go whenever it is needed, while saving hospitals and medical institutions thousands of dollars by replacing only batteries that are no longer useful. Automated systems also reduce labor times by significant amounts.

By replacing the arguably outdated approach to battery replacement, with a greener, more reliable approach, the future of battery management in healthcare will be increasingly optimized.

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