The 12 Best Battery Backup Alarm Clock in 2023

【Larger Numbers & Night Light】- Notable features different to other alarm clocks - 1.5'' large numbers easy to see across the room, larger night light for more glowing.

【Colored & Dimmable Night Light 】- Cycle 7 color night light to add a vibrant ambiance to bedroom and give kids more fun, with 5 levels of brightness (even completely off).

【Adjustable Display Brightness & Volume with Dial Control】- Simply slide the dials to adjust the display brightness from very bright to fully dark and alarm volume, rather than repeatedly pressing buttons. Super easy to set up even for kids or seniors.

【Customizable Countdown Timer】- 1, 2, 3... 5... 30... 60 minutes, customize countdown timer to help you stay focused or remind you of the pending tasks, fit for cooking, teaching, homework, laundry, gaming, exercise and more.

【Outlet Powered & True Battery Backup】- Outlet powered and can be backup with 3*AAA batteries (NOT INCLUDED). Not just saving settings, battery backup even allows the clock to run well when power is out - time will show, alarm and night light will still work.

Large Display with Full Range Dimmer: 5“ Large LCD screen with nice eye care number display. Time, date and temperature display. Almost full range brightness settable (6 levels + auto dim ), you can easily change to have the view bright or dim it to extremely low.

Advance autoset time : The alarm clock will set itself to right time, date and temperature immediately once plugged in. The long lasting button cell backup battery (installed ) will holds all settings and ensure the time always be accurate in case of main power interrupted. What you need to do is set your time zone and wake up time. Simple as that. Even miss the right time, you are still able to set it manually.

Auto DST and selectable time zone : Automatically adjusts to Daylight Savings Time while set the DST on .Seven USA time zone (EST/ CST/ MST/ PST/AST/HAT/AKT) and one newfoundland time zone NST selectable for your location.

Ascending beeping alarm with snooze: Ascending alarm sound wake you up naturally . Additional snooze to counter oversleeping, simply press the snooze button once and go back to sleep. 8 minutes later the alarm will ring again .

Plug in clock with USB charging port: Powered by USB port by plug in outlet. Extra USB charging port for charging cellphone and other electronic device. 3*AAA batteries( not included) as backup, which will store the setting and keep the time works in case of main power outage.

EASY TO SETUP & 0-100% DIMMABLE DISPLAY - All buttons do one task and are clearly labeled makes setting the time or alarm extremely intuitive and straightforward. Large easy to read white LED digits(1.5-inch tall) that can be easily viewed from a distance and the brightness can be easily adjusted from very bright to fully dark with the simple dimmer dial, which is nice for sleeping so you don't have a bright light in the room. 12 or 24 hour time display optional.

CUSTOMIZABLE DUAL ALARM - Set two separate alarms to suit your different schedules and 7-5-2 alarm mode lets you set alarms for every day, weekdays or weekend. Waking you up in the morning with enjoyable way through one of the 3 built-in pleasant alarm tones(birds chirping, soft music, piano), or you can choose other 2 classic wake up sounds(beep and buzzer), which begins quietly and gradually become louder up to the level(30dB-90dB optional) you set, so you don’t get abruptly woken up.

EASY SNOOZE & EASY TO TURN ON/OFF ALARMS - With its big and easy to reach Snooze button, you can get 9 minutes extra rest without fumbling around. And the two buttons to turn the alarms off are easy to reach from the front even when you are half-asleep. And with a large 4.9-inch display but compact size(5.3"x2.9"x1.95") makes it easy-to-read but space-saving, perfect for your bedroom, bedside, nightstand, desk, shelf, table or living room.

USB PORT FOR CHARGING & BATTERY BACKUP - 1 USB port located at the back will charge your phone or other mobile device while you sleep. AC-powered, but you have the option to back it up with 3 AAA batteries (NOT included) in case of power outage. Not only time and settings are restored, but alarms are also supported (USB will not work). Please be noted that the clock may drain batteries quickly, so ONLY use as a backup but isn't viable for regular use.

BUY WITH CONFIDENCE & GIFT IDEAS - All Odokee products offer a hassle-free 18-month warranty, easy return policy and friendly customer service. The stylish design makes it both functional and decorative, so it’s a great gift for kids, seniors, teens, boys, girls, friends or families.

Digital alarm clock with a 0.7-inch green LED display for easily checking the time at a glance

Built-in nightlight gently illuminates a dark room

Repeating snooze function makes it possible to sleep a little longer

AC powered with integrated power supply. Batteries may be used as a backup power source to ensure time and alarms are retained in memory for 8 hours (refer to User Manual for details)

Measures 4.5 x 3.5 x 2.4 inches (LxWxH); weighs 0.51 pounds (8.2 oz) Note: Batteries are not included

Small footprint(5.9"x3.11"x1.65") with big white LED numbers easy to read day or night, and display brightness can be easily adjusted from 0 to 100%, depending on personal preference. 12 or 24 hour time display optional.

Pick your favorite sound among the 5 alarm sound options(Beep/Buzzer/Bird Sound/Piano Music/Soft Music), and wake up to adjustable alarm volume from 30-90db.

Easy-to-use digital alarm clock. Easy snooze with a simple press of the top button and experience zero stress when setting the time or alarm.

Integrated USB port charges your compatible smartphone while you sleep. Start your fresh day with a fully-charged phone.

BATTERY BACKUP - Outlet powered, but you have the option to back it up with 3 AAA batteries (NOT included) in case of power outage. Not only time and settings are restored, alarm are also supported (USB will not charge). Please be noted that the clock may drain batteries fast, so ONLY use as a backup but NOT everyday operation.

⏰ 𝗘𝗔𝗦𝗬 𝗧𝗢 𝗨𝗦𝗘 DUAL ALARM CLOCK: This 𝗱𝗶𝗴𝗶𝘁𝗮𝗹 𝗱𝘂𝗮𝗹 𝗮𝗹𝗮𝗿𝗺𝘀 𝗰𝗹𝗼𝗰𝗸 𝗳𝗼𝗿 𝗯𝗲𝗱𝗿𝗼𝗼𝗺 can set 2 different alarms, convenient for family members with a different schedule. A 𝗯𝗮𝘀𝗶𝗰 𝗰𝗹𝗼𝗰𝗸 with enough practical functions for daily use: 4-level adjustable alarm volume, 5-level digits brightness dimmer, built-in USB charging port, SNOOZE function for extra 9 mins sleep, outlet operated with battery backup settings, 12/24H & DST function also available.

⏰ LARGE DISPLAY WITH ADJUSTABLE VOLUME & DIMMER: 𝗩𝗲𝗿𝘆 𝗹𝗼𝘂𝗱 𝗮𝗹𝗮𝗿𝗺 𝗰𝗹𝗼𝗰𝗸 𝗳𝗼𝗿 𝗵𝗲𝗮𝘃𝘆 𝘀𝗹𝗲𝗲𝗽𝗲𝗿𝘀 with 7" LED 𝗹𝗮𝗿𝗴𝗲 𝗰𝗹𝗲𝗮𝗿 𝗱𝗶𝘀𝗽𝗹𝗮𝘆 for vision impaired people, easy to check time from across the room. Alarm volume can be adjusted to 4 levels according to your depth of sleep, louder for heavy sleepers while slight for light sleepers. 5 level adjustable digits brightness dimmer for easy reading, brighter for day while darker for night.

⏰ NO WORRY BATTERY BACKUP SETTINGS WITH SNOOZE: This 𝗽𝗹𝘂𝗴 𝗶𝗻 𝗮𝗹𝗮𝗿𝗺 𝗰𝗹𝗼𝗰𝗸𝘀 𝗳𝗼𝗿 𝗯𝗲𝗱𝗿𝗼𝗼𝗺 is outlet operated for ALL functions working, such as USB charging, alarm and time display. 𝗗𝘂𝗮𝗹 𝗮𝗹𝗮𝗿𝗺 𝗰𝗹𝗼𝗰𝗸 𝘄𝗶𝘁𝗵 𝗯𝗮𝘁𝘁𝗲𝗿𝘆 𝗯𝗮𝗰𝗸𝘂𝗽 time and alarm settings as well as trigger the alarm when power failure. Simply press the “SNOOZE” button on the top to get extra 9 min sleep before it alerts again.

⏰ USB PHONE CHARGER & 12/24H TIME FORMAT & DST: 𝗟𝗲𝗱 𝗯𝗲𝗱𝘀𝗶𝗱𝗲 𝗮𝗹𝗮𝗿𝗺 𝗰𝗹𝗼𝗰𝗸 𝘄𝗶𝘁𝗵 𝗽𝗵𝗼𝗻𝗲 𝗰𝗵𝗮𝗿𝗴𝗲𝗿 allows you to charge your smartphone, iPad or other smart devices, no need to plug them in the wall. 12 or 24 hour time format &Daylight Saving Time is also available. Clear understandable buttons make it 𝗲𝗮𝘀𝘆 𝘁𝗼 𝘀𝗲𝘁, perfect for 𝗸𝗶𝗱𝘀 𝘀𝗲𝗻𝗶𝗼𝗿𝘀. Stylish appearance is suitable for 𝘁𝗲𝗲𝗻𝘀 𝗯𝗼𝘆𝘀 𝗴𝗶𝗿𝗹𝘀 too!

⏰ 𝗚𝗥𝗘𝗔𝗧 𝗚𝗜𝗙𝗧 𝗜𝗗𝗘𝗔 𝗪𝗜𝗧𝗛 𝟯𝟲𝟱 𝗗𝗔𝗬𝗦 𝗣𝗥𝗢𝗗𝗨𝗖𝗧 𝗪𝗔𝗥𝗥𝗔𝗡𝗧𝗬: This cool stuff is not only suitable for your room, but also a great gift for Christmas, New Year or Birthday. It has no limitation, you can give it to kids or seniors, boys or girls, friends or families. PPLEE 𝗱𝘂𝗮𝗹 𝗮𝗹𝗮𝗿𝗺𝘀 𝗰𝗹𝗼𝗰𝗸 also provides 365 days product warranty, any questions, pls contact us via Amazon, we will response in 24H.

EASY TO USE DIGITAL ALARM CLOCK WITH SIMPLE KEYBOARD CONTORLS - This clock has been designed with absolute simplicity in mind and is very easy to operate. Perfect for adults, children, teens, seniors and the elderly.

ALARM AND SNOOZE - The bedside alarm clock comes with a loud alarm to wake you up. There is also a 9 minute snooze that can be continually pressed until the alarm itself is switched off

9 Minute Snooze - Get a few more minutes of sleep with built in snooze function!

ALARM BATTERY BACK UP (requires 2x AAA battery, sold separately) Sleep with confidence knowing that your alarm will continue to function even in the event of a power outage. The display will be lit after power is restored.

EASY TO READ ILLUMINATED RED LED DIGITS - Easy to Read Red Numbers on the clock are very clear with extra bright quality, See from across the room or even without glasses in the middle of the night!

FULL DIMMABLE DISPLAY - The brightness of the 3.4-inch compact LCD is dial-controlled and adjustable from 0 to 100%, from cast-no-glow at midnight to bright enough that the time can easily be read from across the room during the day. Other features displayed on the screen include: day, 12 or 24hr mode, temperature (°F or °C), status and ringtone for alarm 1 and 2.

CUSTOMIZABLE ALARM - Dual alarms with separate weekend/weekday/all-7-day mode satisfy the needs of everyone and every family. You may choose one of the 5 built-in tones (Beep/Piano/Buzzer/Bird/Soft Music) or radio as wake up sound, which gradually increases in volume from gentle to the level you set (options from level 1 to 15). Snooze allows extra 9 minutes of slumber.

MORE THAN JUST AN ALARM - FM radio saves up to 40 stations, and the sleep timer function (10-150min) offers the luxury to fall asleep with your favorite station playing. 3.5mm headphone jack comes handy not disturbing others nearby. 2 USB ports will charge your phone or other mobile devices while you sleep. (Headphones and charging cable NOT included).

QUICK AND EASY TO SETUP - Unique designed large rotary button as a dial, making setting time/alarm easier and faster. All buttons and dials are clearly labeled with function or icon, and everything is clearly displayed on the screen. So it is a breeze to use right out of the box and change settings.

BATTERY BACKUP - AC-powered, but you have the option to back it up with 3 AAA batteries (NOT included) in case of power outage. Not only time and settings are restored, alarm and radio are also supported (USB will not charge). Please be noted that the clock may drain batteries fast, so ONLY use as a backup but NOT everyday operation.

If you have any questions or comments, please don’t hesitate to contact us - we are always here to help.

【3 IN 1 CLOCK RADIOS WITH DIAL DIMMER】- Glow is an alarm clock, nightlight, and FM radio, all in one. Customizable nightlight color, brightness, alarm sound, volume level. Glow also features a variable dial display dimmer that allows you to set it as bright or dim as you wish easily

【NIGHTLIGHT & RADIO WITH AUTO OFF TIMER】- Glow provides 7 color nightlight with 5 level brightness to add an element of charm to your bedroom. Plus a radio for bedtime music to enjoy a soothing and pleasant bedtime before sleeping. You can also set sleep timer to turn off both nightlight & FM radio automatically

【DUAL ALARM WITH 3 WAKE UP SOUNDS】- GLow provides dual alarm to wake you up with your favorite radio station, built-in beep sound or birds chirping. The alarm volume is adjustable and it increases in volume slowly so that it doesn’t startle you awake

【UNIQUE LIGHTED BUTTONS & NAP TIMER】- The lighted in-the-dark buttons, perfect for when you want to adjust the volume and such at night without having to turn on any harsh lights. Glow also features a nap timer, just push a single button to set a nap from 10mins to 120mins without having to reset your regular alarm programs

【OUTLET POWERED AND REAL BATTERY BACKUP】- Glow is outlet powered and can be backup with 3*AAA batteries (battery is not included). Glow stays fully functional, time will show and your alarm will still wake you up in the morning while running off batteries. Buy it you will love it !

EASY TO USE DIGITAL ALARM CLOCK WITH DUAL ALARM - This clock has been designed with absolute simplicity in mind and is very easy to operate. Perfect for adults, children, teens, seniors and the elderly.

EASY TO SET DUAL ALARM - Set one for weekdays and the other for weekend!

ASCENDING ALARM VOLUME - The ascending alarm begins sound faintly and then grew increasingly louder for gently wake up without being awakened abruptly

ALARM BATTERY BACK UP (requires 2x AA battery, sold separately) Sleep with confidence knowing that your alarm will continue to function even in the event of a power outage. The display will be lit after power is restored.

EASY TO READ ILLUMINATED RED LED DIGITS - Easy to Read Red Numbers on the clock are very clear with extra bright quality, See from across the room or even without glasses in the middle of the night!