10 Best Cr123a Batteries For Sensors And Alarm Systems

10 Best cr123a batteries for sensors and alarm systems - December 2025

checkIcon 19M consumers helped this year.

Last Updated: 13-12-2025

Advertising Disclosure

Rapthor 1650mAh CR123A 3V Lithium Battery CR123 / 123A / 123 / CR17345 with Built-in PTC for Flashlight Toys Smoke Sensor Alarm System Microphones (32Pack)

rapthor

9.8

CHECK PRICE

more deals (1)

Battsea CR123A 3V Lithium Battery, 1650mAh 20 Pack CR17345 / CR123 / 123A / 123 Photo Batteries PTC Protected with 10 Year Shelf Life for Cameras Flashlights Sensors Keyless Locks Alarm Systems

battsea

9.6

CHECK PRICE

more deals (1)

GRbatty CR123A Lithium Battery 1700mAh High Power Non-Rechargeable CR123A Battery for Alarm Systems, Smoke Detectors, Walkie Talkies and Many More（16 Pack）

GRbatty

9.5

CHECK PRICE

more deals (1)

Best value

31% Off

CR123A 3V Lithium Battery, 1600mAh CR123 Disposable Batteries for Alarm System Motion Sensor Camera Torch Remote Toys Single Use 6 Pack

Batteriol

9.2

CHECK PRICE

more deals (1)

Enegitech CR123A Batteries, CR17345 3V Lithium Battery 1600mAh for Home Smoke Alarm, Carbon Monoxide Detector, Motion Sensor, Security Alarm System, Smart Sensor Non-Rechargeable (CR123A 4 Pack)

Enegitech

9.1

CHECK PRICE

more deals (1)

19% Off

POWEROWL - CR123A (16 Pack) High Power Lithium Battery 3V - Long life guarantee – For Cameras, Flashlights, Smoke Detectors & Small Devices

POWEROWL

8.8

CHECK PRICE

more deals (1)

ANSMANN CR123A 3V Lithium Battery [Pack of 8] CR123A/CR123/CR17345/DL123/EL123A Ideal For Alarm Systems, Smoke Detectors, Remote Controls, Keyless Locks, Walkie Talkies and Many More

Ansmann

8.6

CHECK PRICE

more deals (1)

22% Off

POWEROWL - CR123A (8 Pack) High Power Lithium Battery 3V - Long life guarantee – For Cameras, Flashlights, Smoke Detectors & Small Devices

POWEROWL

8.4

CHECK PRICE

more deals (1)

Enegitech CR123A 3V Lithium Battery, CR17345 123 3 Volt Disposable Battery for Smoke Alarm, Motion Sensor, Security Alarm Sensor, Camera Non-Rechargeable (CR123A 2 Pack)

Enegitech

8.2

CHECK PRICE

more deals (1)

28% Off

ANSMANN CR123A 3V Lithium Battery [Pack of 1] CR123A/CR123/CR17345/DL123/EL123A Ideal For Alarm Systems, Smoke Detectors, Remote Controls, Keyless Locks, Walkie Talkies and Many More, 5020012

Ansmann

8.1

CHECK PRICE

more deals (1)

Rapthor 1650mAh CR123A 3V Lithium Battery CR123 / 123A / 123 / CR17345 with Built-in PTC for Flashlight Toys Smoke Sensor Alarm System Microphones (32Pack)

Battsea CR123A 3V Lithium Battery, 1650mAh 20 Pack CR17345 / CR123 / 123A / 123 Photo Batteries PTC Protected with 10 Year Shelf Life for Cameras Flashlights Sensors Keyless Locks Alarm Systems

GRbatty CR123A Lithium Battery 1700mAh High Power Non-Rechargeable CR123A Battery for Alarm Systems, Smoke Detectors, Walkie Talkies and Many More（16 Pack）

CR123A 3V Lithium Battery, 1600mAh CR123 Disposable Batteries for Alarm System Motion Sensor Camera Torch Remote Toys Single Use 6 Pack

Enegitech CR123A Batteries, CR17345 3V Lithium Battery 1600mAh for Home Smoke Alarm, Carbon Monoxide Detector, Motion Sensor, Security Alarm System, Smart Sensor Non-Rechargeable (CR123A 4 Pack)

POWEROWL - CR123A (16 Pack) High Power Lithium Battery 3V - Long life guarantee – For Cameras, Flashlights, Smoke Detectors & Small Devices

ANSMANN CR123A 3V Lithium Battery [Pack of 8] CR123A/CR123/CR17345/DL123/EL123A Ideal For Alarm Systems, Smoke Detectors, Remote Controls, Keyless Locks, Walkie Talkies and Many More

POWEROWL - CR123A (8 Pack) High Power Lithium Battery 3V - Long life guarantee – For Cameras, Flashlights, Smoke Detectors & Small Devices

Enegitech CR123A 3V Lithium Battery, CR17345 123 3 Volt Disposable Battery for Smoke Alarm, Motion Sensor, Security Alarm Sensor, Camera Non-Rechargeable (CR123A 2 Pack)

ANSMANN CR123A 3V Lithium Battery [Pack of 1] CR123A/CR123/CR17345/DL123/EL123A Ideal For Alarm Systems, Smoke Detectors, Remote Controls, Keyless Locks, Walkie Talkies and Many More, 5020012

Related Products