Consider our guide's best silent alarm clocks if you don't want to disturb your partner. Battery backup: If your power goes out in the middle of the night, an alarm with a backup battery or the ...

Our alarm clock offers 8 adjustable sounds that can ... 【USB Charging Port and Battery Backup】- Conveniently charge your smartphones, tablets, or other 5V electronic devices with the built ...

The Amazon clock also has a backup battery, which is normally standard with alarm clocks, but JBL does not mention that its alarm comes with a backup at all. You could also get the Nintendo alarm ...