00:00Batteries usually fail in extreme cold or heat, but new tech changes everything.
00:06Graphene and lithium cobalt oxide now make batteries work from negative 40 degrees Celsius to positive 80 degrees Celsius.
00:14This means your phone won't die in snow and electric cars will drive anywhere.
00:19Want to know how this impossible battery tech works?
00:21Find the secrets at the link in bio.
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