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Chris general rule with electrical cables and plugs is that the live (supply) side should have the female connector (ie the sockets) and the load side has the male connector (the part with pins sticking out).
This way if exposed pins are shorted or bent it won’t do much harm.
Shorting a battery can be quite hazardous - the high current will weld metal bits together, produce extreme localised heat (burns or fire), and if the electrolyte inside boils they can explode. Fuses are to protect the battery from short circuits and can be quite generous; they are not for protecting wiring, connections or the load.
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