pianotuna wrote:
Lifeline has thicker plates.
Don,
Certain folks keep saying the above, but without knowing the plate thickness of competing AGM batteries - some brands equally or nearly as expensive as Lifeline batteries and from well known world class manufacturers - how can it be an absolute fact that Lifeline plates are "thicker" than any other manufacturer's AGM battery plates?
I support the statement that Lifeline batteries have a given thickness of it's plates if a published Lifeline document states what it is (I haven't been able to find that document yet) ... but use of the word "thicker" implies that competing batteries have known plate thickness specifications to compare to.
I'm thinking that manufacturers not publishing their AGM battery plate thickness may not always be admission of thin-plate guilt.
By the way .... other than good heat dissipation construction .... what other electrical or electro-chemical parameters, other that internal resistance, determine how fast an AGM battery can be recharged? Many AGM batteries have very low published internal resistance specs - that's one of the characteristics of their design and construction. Do some AGM batteries have cooling fins on their cases?
I'm willing to bet that many AGM batteries can be charged "very fast" if: 1) The battery charger has the capacity to maintain 14.4 to 14.8 volts on the battery's terminals while at the same time delivering hundreds of amps to the battery (a rare charger, indeed) and, 2) The battery charger has a battery temperature transducer that can be temporarily attached to the case of the battery (or a person manually checking the battery case temperature closely during charging) so that the charger's circuits or it's adjustment knobs can fold back the current that's being delivered, as required, to keep the battery from overheating.