Does your Keypad look like the one pictured to the left? Then you're in the right place! You've got the Gen 3 SimpliSafe system. If you purchased a system in 2017 or earlier, you have the Original SimpliSafe. Click here to view the article about the Original SimpliSafe. If you're not certain which system you have, you can tell the difference here.
This article is about what types of batteries each of your sensors use. For help replacing these batteries, please see this article.
For our latest SimpliSafe:
Component |
Battery/Batteries Used |
Battery Life Expectancy |
Base Station |
4 NiMH rechargeable AA 1.2V* |
N/A |
Entry Sensor |
1 CR-2032 Lithium 3V |
Up to 10 years |
Motion Sensor |
1 CR-123A Lithium 3V |
3-5 years |
Glassbreak Sensor |
1 CR-123A Lithium 3V |
3-5 years |
Smoke Detector |
1 CR-123A Lithium 3V |
3-5 years |
Keypad |
4 AA Alkaline |
8-12 months |
Auxiliary Siren |
4 AA Alkaline |
8-12 months |
Key Fob** |
1 CR-2032 Lithium 3V** |
3-5 years** |
Panic Button |
1 CR-2032 Lithium 3V |
3-5 years |
Temperature/Freeze Sensor |
1 CR-2032 Lithium 3V |
3-5 years |
Water Sensor |
1 CR-2032 Lithium 3V |
3-5 years |
Carbon Monoxide Detector |
3 Energizer AA “Ultimate Lithium” 1.5V*** |
3-5 years |
DoorLock |
4 AA Alkaline |
8-12 months |
For high usage locations or situations, life expectancy may vary.
* Please do not replace the batteries in your Base Station with batteries that are not rechargeable. This may cause the batteries to corrode.
** The batteries in the Gen 3 SimpliSafe Key Fobs cannot be replaced. If you need to replace your battery, please contact customer support for more information.
***Please contact customer support if you need to replace your Carbon Monoxide Detector batteries; we can send out a new set for you free of charge.