How long do SimpliSafe systems last?

Author: Vivienne Doyle  |  Last update: Saturday, October 4, 2025

In accordance with National Fire Protection Agency (NFPA) guidance, SimpliSafe® recommends replacing Smoke Detectors every ten years, and replacing Carbon Monoxide Detectors every five years.

How long does SimpliSafe last?

A SimpliSafe camera battery should last anywhere from 3-6 months. Sensors can last years. Systems vary based on usage, but it notifies you when any battery needs to be replaced.

What is the downside of SimpliSafe?

Integrating SimpliSafe with other smart home brands requires a subscription. Professional monitoring costs have gone up three times in four years. Limited selection of security cameras.

What happens when SimpliSafe goes off?

Depending on your notification settings, when a burglary sensor is triggered (Entry, Motion, Glassbreak, or a Panic Button), our Monitoring Center is informed immediately. You'll also be immediately notified through App Push Notifications and/or Alarm Text Messages. You can confirm or cancel most quickly from there.

What causes a SimpliSafe device to go offline?

If your Entry Sensor is showing as offline on the SimpliSafe® Mobile App, this is an indicator that the battery within the device needs to be replaced. The Entry Sensor takes a single (1) CR-2032 Lithium 3V battery and has a life expectancy of up to 5 years depending on placement and usage.

How long does SimpliSafe Outdoor Security Camera Battery Last - real life test

Why are some of my devices not responding to SimpliSafe?

We typically see this happen for one of two reasons: The battery within your Entry Sensor needs to be replaced. The Entry Sensor is too far away from the Base Station and is unable to communicate from its current location effectively.

What happens to SimpliSafe when power goes out?

Check your home security system during a power cut

The system operates on a cellular network and will automatically switch to battery power, meaning that it's still able to operate and keep your home secure, even in the event your WiFi goes down.

How long do SimpliSafe entry sensors last?

The expected lifetime of the Entry Sensor's battery is up to 10 years, but that may vary depending on how frequently the sensor is used. A low battery can cause an Entry Sensor to go offline, but it can also be caused by interference.

What does it mean when SimpliSafe is red?

Red means a minor error or a recent alarm.

What happens when you unplug SimpliSafe?

If it's unplugged or the power goes out, the 24-hour backup battery keeps you covered.

Can burglars disable SimpliSafe?

According to Andrew Zonenberg, a researcher with security consultancy firm IOActive, attackers can easily disable SimpliSafe alarms from up to 30 meters away, using a device that costs around $250 to create a replay attack.

What system is better than SimpliSafe?

The best SimpliSafe alternative depends on the reason you're looking for an alternative to SimpliSafe. If you want better professional installation and monitoring, we recommend ADT. For better smart home capabilities, Vivint offers some of the most advanced smart features available.

Can SimpliSafe hear conversations?

If a potential threat is detected, SimpliSafe's professional monitoring agents can: View a live feed and communicate with potential intruders using two-way audio.

Does SimpliSafe work if the internet is down?

In the event of a power outage, your SimpliSafe® Base Station is equipped with a backup rechargeable battery supply that will keep your Base Station powered for up to 24 hrs. It also features a cellular module and with a professional monitoirng plan will operate on a cellular network instead of Wi-Fi.

How much per month does SimpliSafe cost?

The Standard Monitoring plan is $21.99 per month and comes with 24/7 emergency dispatch, among other useful features. We'll get into more detail on SimpliSafe's monitoring plans later.

How often should I replace SimpliSafe batteries?

The Smoke & CO Detector takes two CR-123A Lithium 3V batteries and has a life expectancy of up to 2 years, depending on placement and usage.

How long does a SimpliSafe system last?

Each SimpliSafe product has its battery life expectancy. Except for the entry sensor, all burglary sensors will last around three to five years. The entry sensor will last up to 10 years. The hazard sensors will also last that same three- to five-year lifespan.

How do I get rid of SimpliSafe?

For over 11 years, SafeWise experts have conducted independent research and testing to write unbiased, human reviews (not robots). Learn more. To cancel SimpliSafe, call the SimpliSafe customer service line at +1-888-783-8441.

How long should a home alarm system last?

If your system is now over 10 or 15 years old, it is definitely worth considering an upgrade, regardless of how well it has been maintained.

How long do SimpliSafe base stations last?

My existing sensor batteries last 7 to 10 years, and the base station backup battery 5 to 6 years.

Does SimpliSafe call police when alarm goes off?

The security team will call you directly to inform you of what has happened with your alarm and check you're ok. The team checks cameras to visually verify an incident and will request police response. If an incident can't be visually verified, the monitoring centre will dispatch one of their guards to the property.

How far will SimpliSafe work?

Results may vary in a home environment, so we recommend you keep your sensors within 400ft.

What happens when you press SimpliSafe panic button?

Your direct line to 9-1-1

If you're at home during a break-in, pressing the Panic Button instantly triggers your alarm. With professional monitoring, our monitoring center will call and check if you're okay.

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