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| Exposed view of AGM Battery |
An article from trucker.com caught out eye:
[I]n testing at 50 deg. C, an EFB battery was able to absorb 52% more energy than a comparable AGM [Absorbed Glass Mat] battery before collapse. In practice, he explained further, an EFB will last 52% longer than an AGM in high temperature environments before thermal stability and water loss failure is realized. In addition, in over 18 weeks of testing, the total average capacity output of the EFB was 50% greater than an equally sized AGM battery.To be clear, rbbattery.com says an EFB is a rechargeable battery that contains a liquid electrolyte. This is what a is typically thought of as an automobile/truck lead-acid battery.
So an obvious question is: How is this different?
Reliable Power (rbbattery.com) describes it as such:
Exploded EFB battery
Enhanced flooded batteries have two main characteristics, namely scrim and acid circulator.The Scrim is a polyester element added between the plate and the separator. Its purpose is to prevent the erosion of mass by holding the reactive material in its place.
This results in an enhanced deep cyclic resistance and a superior charge acceptance.
The acid circulator prevents the stratification of the acid. This modification utilizes the inertial movements of the vehicle to maintain a constant circulation of the acid.
Due to the homogenous density levels of the acid, charge acceptance and overall battery life are improve
Interestingly, this is an article by a specialty website (trucker.com). As such, we will watch this technology unknown to us more closely.
SOURCES
Battery technology developments for heavy-duty truckshttps://www.trucker.com/technology/article/21147960/battery-technology-developments
Nov 17, 2020
EFB Battery Guide: Everything You Need to Know About EFB Technology
https://www.rbbattery.com/efb-battery-guide-everything-you-need-to-know-about-efb-technology/
April 29, 2019
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