battery backup | Newegg.com

Hi! I'm Newegg's Battery Backup (UPS) expert. Go ahead and ask me any questions you might have. I'm here to help.

UPS with automatic voltage regulation?

Home battery backup systems?

UPS vs power bank differences?

How long do backups last?

Quick View

JCR-375 Stereo Digital Dual-Alarm Clock with Top-Loading CD Player, FM Tuner, USB Charging Port, and Battery Backup

$71^.99

Free Shipping

Quick View

VoltSync RH-PD100W Power Adapter for Video Light

$44^.53

Free Shipping

Quick View

FOR 5V 1A UPS Uninterrupted Power Supply Module 3.7V Polymer 18650 Lithium Step Up Reverse Overvoltage Protection Board

$10^.99

Free Shipping

Quick View

RITRON BP-PT18-L Repl Battery Pack,Lithium Ion,For Ritron

$87^.29

Quick View

Stereo Shelf Systems Compact CD Shelf System with Digital FM Stereo Radio, Bluetooth Wireless Technology, and Remote Control LCD Display MP3 & AUX Port Compatible USB Playback (Rose Gold)

$139^.99

Free Shipping

Quick View

Philco Stereo Shelf Systems Compact CD Shelf System with Digital FM Stereo Radio, Bluetooth Wireless Technology, and Remote Control ^^ LCD Display ^^ MP3 & AUX Port Compatible ^^ USB Playback (

$116^.99

$5.99 Shipping

Quick View

Bluetooth Under Cabinet CD Player with FM Radio, Clock & Remote Bluetooth Audio CD Player FM Radio Kitchen Timer Mounting Kit

$159^.99

Free Shipping

Quick View

Stereo System (White)

$139^.99

Free Shipping

Quick View

Stereo Shelf Systems Compact CD Shelf System with Digital FM Stereo Radio, Bluetooth Wireless Technology, and Remote Control | LCD Display | MP3 & AUX Port Compatible | USB Playback (Rose Gold)

$104^.99

Free Shipping

Quick View

SmartSet Dual Alarm Clock Radio with PLL AM/FM, Auto Time Setting, Sleep Timer, Snooze, 20 Presets, Easy-to-Read 0.9-inch Blue Dimmable LED Display, CKS1500

$29^.99

Free Shipping

Quick View

FOR BQ25504 Energy Harvesting Module CJMCU-25504 Boost Step Up Converter Solar Photovoltaic Cell Management Energy Collector

$20^.99

Free Shipping

Quick View

FOR Step Up Booster Module Dc 5v-12v To 9v/12v For 18650 Lithium Ups Voltage Protection Converter Charge Discharge

$10^.99

Free Shipping

Quick View

FOR DC UPS 5V 12V 15W Uninterrupted Module 18650 Lithium Boost Step Up Power Supply Voltage Converter Board

$12^.99

Free Shipping

Quick View

FOR Type-C 15W 3A 18650 Lithium Charger Module DC-DC Step up Booster Fast Charge UPS Power Supply Converter 5V 9V 12V

$12^.99

Free Shipping

Quick View

Oeveo VESA PC Mount 120-FDMI MIS-D VESA Standard | Adjustable VESA Mount for Mini Computers, AV Components, Media Devices, and Other Small Electronic Devices | UNVM-120

$79^.65

Free Shipping

Quick View

12 Outlet Power Strip Surge Protector Aluminum 300J AC15A 125V 1875W

$44^.64

Free Shipping

Quick View

PZL New Replacement Remote Control for Fiio RM3 R9 R7 M11Plus M15S M11S M17

$50^.99

Free Shipping

Quick View

FOR DC 3V-6V bis 400kV 400000V Boost Step up Power Module High Voltage Generator

$12^.99

Free Shipping

Quick View

FOR 6-60v 10A Lead-acid Solar Storage Charge Controller Module Protection Board charger Time Switch Capacity

$14^.99

Free Shipping

Quick View

Extra Wireless Receiver for Alarms- Up to 4 Channels and 35 Optional Melodies- 5 Adjustable Volume Levels Includes Mute Mode

$74^.97

Free Shipping

Quick View

Battery Pack, Li-Ion, 7.4V, For Jobcom

$98^.99

Quick View

Glow Small Alarm Clock Radio for Bedrooms with 7 Color Night Light, Dual Alarm, Dimmer, USB Charger, Battery Backup, Nap Timer, FM Radio with Auto-Off Timer for BedsideWhite

OUT OF STOCK

Sold Price: $53.99

Free Shipping

Quick View

Digital Alarm Clock Radio with AM/FM Radio, Multi-Colors 1.4 LED Digits, Preset, Sleep Timer and Clear Display with Dimmer for Bedroom Bedside, Outlet Powered with Battery Backup (White)

OUT OF STOCK

Sold Price: $53.99

Free Shipping

Quick View

Digital Alarm Clock Radio with AM/FM Radio, Multi-Colors 1.4 LED Digits, Preset, Sleep Timer and Clear Display with Dimmer for Bedroom Bedside, Outlet Powered with Battery Backup (White)

OUT OF STOCK

Sold Price: $53.99

Free Shipping

Quick View

Digital Dual Alarm Clock Radio for Bedrooms with 0-100% Dimmer FM Radio with Weekday/Weekend Mode & 2 USB Charging Port & 6 Sound Adjustable Volume & Sleep Timer Temperature Battery Backup

OUT OF STOCK

Sold Price: $51.99

Free Shipping

Quick View

Digital Alarm Clock Radio for Bedrooms with Night Light Phone-Free Wake-Up with Dual Alarm, FM Radio for Favorite Stations, Small Radio Clock for Bedside, Battery Backup

OUT OF STOCK

Sold Price: $51.99

Free Shipping

Quick View

Digital Dual Alarm Clock Radio for Bedrooms with Weekday/Weekend Mode Large Numbers with 0-100% Dimmer - FM Radio with 2 USB Charging Port & 6 Sound Adjustable Volume & Sleep Timer Battery Backup

OUT OF STOCK

Sold Price: $55.99

Free Shipping

Quick View

Outdoor Speakers Solar Powered & USB-C Rechargeable, Rock Speakers TWS Pairing Wireless Outdoor Speaker Bluetooth 5.4, LED Light Show, Waterproof, ideal for Backyard BBQ, Garden, Poolside (2-Pc,Grey)

OUT OF STOCK

Sold Price: $259.99

Free Shipping

Quick View

2-Pack 16 AWG 4 Outlet Power Splitter, AC Plug Splitter 1.5ft 16 AWG, Outlet Saver, NEMA 5-15P to 4x NEMA 5-15R

OUT OF STOCK

Sold Price: $39.99

Free Shipping

Quick View

Rock Speakers Outdoor Waterproof 2 Pack - IPX5 Water-Resistant Speaker with True Wireless Stereo - 33ft Range, Aux Port, Rechargeable Battery - Outdoor Speakers Bluetooth Waterproof Patio Use

OUT OF STOCK

Sold Price: $145.99

Free Shipping

Find what you were looking for?

Home Audio & Home Theater