My toilet (Kohler, in the US) has a battery that's supposed to last 100 flushes if the power goes out. When we first got it I always found it funny to ask othe

My toilet (Kohler, in the US) has a battery that's supposed to last 100 flushes if the power goes out. When we first got it I always found it funny to ask other people if their toilet had a battery backup.