battery | Newegg.com

I'm Celeste, Newegg's tech expert! Need help with "battery"?

UPS with automatic voltage regulation?

Home battery backup systems?

UPS vs power bank differences?

How long do backups last?

Quick View

Kidde Smoke & CO Detector, Hardwired & AA Battery Backup, 30CUAR-V, 1 Pack

$136^.88

Free Shipping

Quick View

Smart Fingerprint Door Lock,Keypad Electronic Deadbolt with App for Bedroom | Auto Unlock, Silent Mode, Keyless Entry, Low Battery Alert, Front Door, Easy Installation, Apartment, Office, 200 Users

$90^.99

Free Shipping

Quick View

Smart Lock C220, Fingerprint Keyless Entry Door Lock | Built-in Wi-Fi, App Remote Control, Up to 8-Month Battery, Front Door Smart Lock Deadbolt, IP53 Rated, BHMA Grade 3, Nickel

$96^.99

Free Shipping

Quick View

Reolink Home Hub Mini + 2× Argus MagiCam 2MP Wireless Security Cameras Battery Powered, Dual-Band Wi-Fi, Magnetic Mount, IP67

$159^.99

Free Shipping

Quick View

ZigBee Smart Button 4 Pack, 3-Way Remote Control, Require Zigbee hub, Work with SmartThings, Aeotec, Hubitat, Home Assistant, Third Reality Hub, Battery Included.

$73^.99

Free Shipping

Quick View

Wireless Doorbell Camera, Battery Powered Wi-Fi Video Doorbell | AI Human Detection, Two-Way Talk, Motion Alerts, Night Vision, WiFi Smart Doorbell Camera for Home, Apartment and Office

$39^.99

Free Shipping

Quick View

Wireless Smart Video Doorbell, Battery-Powered AI Human Motion Detection, Intercom Night Vision Supports Cloud Storage (Sold Separately), Indoor/Outdoor Use

$72^.99

Free Shipping

Quick View

Wireless Doorbell Camera, Battery Powered Wi-Fi Video Doorbell, AI Human Detection, 2-Way Talk, Motion Alerts, Night Vision, Cloud Storage, Smart Security Cam for Home, Apartment and Office

$51^.99

Free Shipping

Ring Battery Doorbell 2K Plus (2nd Gen), Nickel Silver

Quick View

Lowest price

in 30 Days

Ring Battery Doorbell 2K Plus (2nd Gen), Nickel Silver

$123^.99

More options from $123.99 - $218.00

Free Shipping

Quick View

C011 Smart WiFi Carbon Monoxide Detector, Tuya Compatible CO Alarm with Built-In 10-Year Lithium Battery, 1.5V Gas Sensor for Home, Kitchen and Smart Home Safety

$70^.25

Free Shipping

Quick View

eufy Security Smart Lock C220, Fingerprint Keyless Entry Door Lock Built-in Wi-Fi, App Remote Control, Up to 8-Month Battery, Front Door Smart Lock Deadbolt, IP53, Black, Traditional

$169^.99

Free Shipping

Quick View

48V/60V/64V/72V universal intelligent dual-mode electric vehicle brushless controller 1200-1500W three-speed adjustment

$43^.89

More options from $43.89 - $46.99

Free Shipping

Volume Discounts:$43.59 - $43.89

Quick View

Smart Lock FamiLock C32, Fingerprint Keyless Lock with Handle | Interior Doors, Built-in Wi-Fi, App Control, Auto Lock, 4 AA Batteries, Alexa/Google, Rekey Not Supported, Keyless Door Lock

$110^.99

Free Shipping

Quick View

Zigbee Water Leak Sensor with Dripping Detection 2 Pack, 120 dB Alarm, App Notifications Enabled When Work with Home Assistant and Compatible Zigbee HUB, Batteries Included

$72^.99

Free Shipping

Quick View

Zigbee Water Leak Sensor with Dripping Detection 4 Pack, 120 dB Alarm, App Notifications Enabled When Compatible with Home Assistant and Compatible Zigbee HUB, Batteries Included

$77^.99

Free Shipping

Quick View

Smart Lock FamiLock C32, Fingerprint Keyless Lock with Handle | Interior Doors, Built-in Wi-Fi, App Control, Auto Lock, 4 AA Batteries, Alexa/Google, Rekey Not Supported, Keyless Door Lock

$124^.99

Free Shipping

Quick View

Battery Doorbell 2K (newest model), Retinal 2K with wide-angle video, up to 6x Enhanced Zoom, Two-Way Talk, and Built-In Battery, Speckled White

$72^.99

Free Shipping

Volume Discounts:$69.99 - $72.99

Quick View

VisiPower 2MP 3.97" HD Screen Smart Peephole Door Viewer Video Doorbell intercom built-in 1400mah lithium rechargeable Battery support 12 different language infrared night vision wide view angle 125°

$44^.80

More options from $44.70

$10.00 Shipping

Quick View

1080P 2MP Smart Eye wifi Video Doorbell 4.3" monitor Wide angle 167° Support App alarm push Night Vision Chime Video Recording PIR Motion detection digital doorbell with 5000mah battery

$80^.00

More options from $79.00

$10.00 Shipping

Quick View

1080P 2MP Smart Eye wifi Video Doorbell 4.3" monitor Wide angle 167° Support APP Night Vision Chime Video Recording PIR Motion detection App alarm push digital doorbell with 5000mah battery C85

$80^.00

More options from $79.00

$10.00 Shipping

Quick View

WiFi Room Thermometer Hygrometer, Remote Email App Alert, 2 Years Data Export, 2 Years Battery, No Subscription, Smart Temperature Sensor for RV, Greenhouse, Vacation Home, HVAC (3 Pack)

$140^.22

Free Shipping

Quick View

1080P 2MP Smart Eye wifi Video Doorbell 4.3" monitor Wide angle 167° Support APP Night Vision Chime Video Recording PIR Motion detection App alarm push digital doorbell with 5000mah battery C86

$80^.00

More options from $79.00

$10.00 Shipping

Quick View

USB Load Tester 150W 200V 20A Adjustable Constant Current Electronic Load Battery Capacity Tester Module Power Meter, Intelligent Discharge Resistance Power Tester

$131^.47

Free Shipping

eufy Video Doorbell Camera C31, 2K FHD Battery or Hardwire Powered, Easy to Install, Quick-Release Battery, Live Video Call, 24/7 Recording, Human & Motion Detection, No Monthly Fee (Renewed)

Quick View

Refurbished eufy Video Doorbell Camera C31, 2K FHD Battery or Hardwire Powered, Easy to Install, Quick-Release Battery, Live Video Call, 24/7 Recording, Human & Motion Detection, No Monthly Fee (Renewed)

$94^.99

Free Shipping

Quick View

Battery Operated Small Alarm Clock: Digital Compact Large Display Cordless Clock for Bedroom Travel - Simple to Use for Seniors Teens White Digits

$33^.99

Free Shipping

Quick View

Ring Smart Lighting Spotlight Battery, Amazon Sidewalk, Black

$34^.00

More options from $34.00 - $39.99

Free Shipping

TP-Link Tapo Smart Door Lock, Deadbolt | Keyless Entry, Fingerprint Recognition, Touchscreen Keypad & in-App Monitoring with Scheduled Access | 1-Year Rechargeable Battery | BHMA Grade 2

Quick View

TP-Link Tapo Smart Door Lock, Deadbolt | Keyless Entry, Fingerprint Recognition, Touchscreen Keypad & in-App Monitoring with Scheduled Access | 1-Year Rechargeable Battery | BHMA Grade 2

$239^.00

Free Shipping

Quick View

C by GE Wire-Free Dimmer Smart Switch, 1 Pack White - Bluetooth, Battery Powered, Removeable, Wall Mount, Single-Pole/3-Way Replacement

$22^.97

Free Shipping

Quick View

C by GE Wire-Free Smart Motion Sensor, 1 Pack White - Bluetooth, Battery Powered, Wall Mount, Shelf Mount, Ambient Light Detection

$39^.99

Free Shipping

eufy Security Smart Lock C220, Fingerprint Keyless Entry Door Lock, Built-in Wi-Fi, App Remote Control, Front Door Smart Lock Deadbolt, 8Months Battery, Reliable Power, IP53 Waterproof (Renewed)

Quick View

Refurbished eufy Security Smart Lock C220, Fingerprint Keyless Entry Door Lock, Built-in Wi-Fi, App Remote Control, Front Door Smart Lock Deadbolt, 8Months Battery, Reliable Power, IP53 Waterproof (Renewed)

$89^.99

Free Shipping

Page 3/20

Find what you were looking for?