Anything that has a very low power draw. You already listed one of the common examples: a clock. Due to rechargeable NiMH batteries having a high self-discharge rate you would have to replace the battery every year, whilst an Alkaline battery would last 5 to 10 years. Other common household items that are a good example would be TV remotes, smoke alarms, or smart home devices like light switches.
Anything that has a very low power draw. You already listed one of the common examples: a clock. Due to rechargeable NiMH batteries having a high self-discharge rate you would have to replace the battery every year, whilst an Alkaline battery would last 5 to 10 years. Other common household items that are a good example would be TV remotes, smoke alarms, or smart home devices like light switches.