le batterie più care sono le più convenienti?

[gedeone marco]

Mah.
A me pare che:
Il tratto seguente riporti dai sbagliati, anzi non ne riporti alcuno, si mischiano alcune verità con dati non supportati da nessuna citazione se non un 'fantomatico' dato di un produttore.
Oggi i grafici di confronto sono abbastanza pubblici, si vedono con precisione i rating di scarica e le potenzialità di cicli.
La questione è (secondo me) tutta qui: avevo anche postato un confronto dei costi in rapporto all'energia prelevata
http://forum.amicidellavela.it/topic.asp...701#708822
Ovviamente, si può pensare che siano dati falsi o taroccati, ma anche il Sig Sterling non è mica uno stinco di santo...
ciao
Marco

Citazione:Battery sales companies quote battery cycles such as 6000 cycles for the battery. This looks good on the surface, however it will be 6000 cycles at say 10% discharge. This is a meaningless figure. All batteries have a manufacturers' graph, which odds are, you will not see in full; as the embarrassing section tends to end up on the advertising company’s editing floor. The graph will have % discharge on one side and cycles on the other. This graph is sometimes shown on glossy battery information, but is normally censored at about 30 – 40% discharge, where the figures can still show 4000 cycles. What they fail to show is the 100% discharge cycle (which they of course say you should never go to and I am not for one moment suggesting you should). This, at the end of the day is the only ultimate datum point. Whichever battery performs the best at 100% discharge, will perform best at 50% etc. The interesting fact is that they are all about the same, that is, because they are all basically the same battery. A Gel and conventional starter battery go down the same production line until one has a gel substance put in it and the other liquid. The shock with this figure is that for Gel, Sealed, or leisure, etc, the constant figure is about 30 – 60 cycles, whereas true traction with thicker plates is over 300+. (However, don't expect to see this graph on glossy literature, as they are way too frightened of this graph and will not release it). It is however available from correctly specked commercial batteries.