Tesla will have an investor battery and powertrain day before the end of 2019, where they will likely discuss the production of Maxwell dry cell batteries. Tesla completed the purchase of Maxwell ...

Like a Thinkpad X series with the 9 cell battery (which is only $50 ... Alternately, 2 6v golf cart batteries are well designed for draining completely flat and typically have more capacity ...

as part of a next-generation 4680 cell design the company is working on bringing to market. Dry electrode is a key piece (one of many pieces) of the puzzle for lowering cost of lithium batteries.