Quote:
Originally Posted by oil pan 4
I haven't seen lithium batteries for the same price as lead acid yet.
Plus I wouldn't want lithium in an off grid application any ways. You over draw the batteries once and they are finished, or their capacity is severely damaged.
Deep cycle lead acid are much more forgiving.
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$25 cheapo 12s lithium BMSes for ebike batteries have a battery protection cutoff.
One would assume the powerwall product has at least this much functionality.