BathFullOfDucks t1_j256stx wrote
Reply to comment by wombatlegs in ELI5 why do electric vehicles have one big battery that's hard to replace once it's expired, rather than lots of smaller ones that could be swapped out based on need (to trade off range/power/weight)? by ginonofalg
Tesla batteries are literally just a lot of Panasonic 18650 batteries (ie, the lithium aa) wired together. They're not modular because it's a mess.
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