Survivalism & Self Sufficiency Topics > Amateur Radio Gear Reviews

Sealed Lead Acid vs A123 and Bioenno LiFePO4 Performance Comparison

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Greekman:
we have definetely have entered the age of the lithiums.

https://www.youtube.com/watch?v=psjQ-FT6KY0

in some cases the cost vs performance  is right upto the AGM batteries

Alan Georges:
Yeah, pretty much that clinches the case.  And the blue ones even come with PowerPoles already installed. 8)

Thanks for posting that video link.

Carl:
Shows that NOW lithiums are worth the extra money due to HIGHER VOLTAGE 12.8 ,longer lifetime,and great capacity.

Greekman:
also regarding the LifePO4 chemistry....
they have the flattest voltage-state of charge curve.

the difference is 3.7-3.5 per cell.
Lihium Cobalt/magnanese is 4.2-3.6 (3.6 being conservative, to get al the capacity yuo must go lower)
AGM, I do not have the time to look up.

With Li-Co you soon enter the voltage range that the radio suffers 3x3.6 or you may be too high when 4s when full (4x4.2). So a DC-Dc converter is need. Not with LiFePO4

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