do not replace anything yet ! first check the electrical system . disconnect the negative cable ,. a/ k& [/ A. V: n
connect a test light between cable and battery post . if the test light lights up bright , there could be a short circuit somewhere . pull out each fuse to see until the test light goes dim , 7 c+ k |& g8 I M3 I5 o3 U# W8 Snow you know in which that device is draining the battery .