big wire from the negative battery post to the engine block / vehicle frame

make sure both ends have a good clean connection

big wire from the positive battery post to the starter relay / solenoid

make sure both ends have a good clean connection

in either case the battery can have a the voltage and amperage it needs
but if the connection is weak, can result in the condition you are experiencing

there is only two (in most cases) so try them first

visual inspection is not enough, remove / clean / replace