we can send rockets to mars and have them operate rovers for YEARS - maybe 1/2 the size of the dumb battery"
I dough you would be willing to pay 20 thousand plus for the batteries made for mars unlike the government some of us don't have open borrowed checkbook. Those batteries are solar powered. NO clouds in the sky on mars. You can get NiCad and Li-ion Batteries now (which are only made in China due to the hazards and cheap labor)( also have to wonder where NASA got these batteries made?) But at 3 to 10 higher Cost in the USofA probably cheap in china. No guarantee they will last any longer than you lead acid Batteries which for the most part are recyclable and recycled and most made in the USA. China trying to corner the lithium market Afgan's have Hugh supply get who's will probably walk right in and take it?
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