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Yes, that is a nice advertisement; especially for those that do not wish to spend $400 on lifepo4's....
However, I see the same batteries elsewhere for about $29 !
In addition, the actual question asked was "any handily available links to buy perhaps decently priced "F" size NiCads to build one's own power pack?"
I might now add the question: Is there a decent link one is willing to offer for Lifepo4 batteries, as they are still $100's out of range?
Thanks to all that contribute.
Your help is immensely appreciated.
~Clabo~
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