Posted by 440roadrunner on January 19, 2010 at 08:47:28 from (98.145.86.12):
In Reply to: Jell Batteries posted by farmersbase on January 19, 2010 at 05:49:20:
jdemaris said: (quoted from post at 09:26:12 01/19/10)
There are conventional flooded lead acid batteries available that last well over 30 years. .................................Many telecom companies use them, and buy them in 2 volt cells. .
Many of the big Telco battery banks are not lead--acid, but rather "Edison cells" but regardless of the type, these are normally in VERY controlled situations, that is, not subject to the high and low extremes of temps that auto/ truck batteries are, and certainly not the mechanical shock of either auto or "mobility" rigs. The charging systems are expensive and VERY well thought out and regulated, AND they are normally not even cycled. They normally just "sit" there on a tightly controlled float charge.
This is a far cry from the average car/ truck/ garden tractor/ bike/ mobility battery that are subjected to a huge array of conditions.
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