Does SimpliSafe Use Cellular Backup for Internet Outages?
Yes, SimpliSafe’s 3G cellular backup (upgraded to 4G LTE in 2023 kits) activates automatically during outages. This requires a professional monitoring subscription ($29.99/month). The backup maintains communication with monitoring centers and enables SMS/text alerts to users. Cellular range depends on local carrier coverage strength.
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SimpliSafe’s transition to 4G LTE cellular backup reflects broader industry shifts, as major carriers phased out 3G support in 2022. The newer 4G modules provide 58% faster signal handshake times and improved penetration through building materials. Users with pre-2023 systems should contact SimpliSafe for a free cellular module upgrade to maintain compliance with carrier networks. The cellular backup utilizes Verizon’s LTE network in the U.S., offering coverage to 99% of populated areas, though rural users should verify signal strength during installation. During extended outages exceeding 72 hours, the system automatically prioritizes emergency signals over non-critical communications to conserve bandwidth.
| Cellular Type | Max Upload Speed | Average Failover Time | Carrier Compatibility |
|---|---|---|---|
| 3G (Legacy) | 1.4 Mbps | 87 seconds | AT&T (discontinued) |
| 4G LTE | 8.2 Mbps | 39 seconds | Verizon |
How Long Does SimpliSafe Battery Last During Outages?
The base station battery provides 24 hours of backup, while sensors last 3-5 years on CR123A lithium cells. Cameras with SD cards operate 2-4 hours on battery during outages. Extended power loss requires AC adapters or solar accessories (sold separately). Battery performance drops 15-20% in sub-freezing temperatures.
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Battery longevity varies based on usage patterns and environmental factors. The base station’s sealed lead-acid battery supports 8-10 full recharge cycles before capacity diminishes to 80% of original performance. For optimal results, avoid exposing sensors to temperatures below 14°F (-10°C), which can cause lithium batteries to enter protective shutdown. SimpliSafe’s mobile app provides real-time battery status updates through the device health dashboard, with color-coded indicators (green = optimal, yellow = replace soon, red = critical). Users in areas prone to prolonged outages can install optional battery expanders, doubling base station runtime to 48 hours. Camera batteries follow a different discharge curve—recording continuously for 120 minutes at 720p resolution versus 45 minutes at 1080p.
| Component | Battery Type | Average Runtime | Replacement Cycle |
|---|---|---|---|
| Base Station | Lithium-Ion | 24 hours | 3 years |
| Entry Sensor | CR123A | 5 years | N/A |
| Outdoor Camera | Rechargeable | 4 hours | 18 months |
What Maintenance Ensures Reliable Offline Performance?
Monthly system tests via keypad, annual battery replacements for cameras, and firmware updates during connected periods optimize offline readiness. Verify cellular signal strength (>2 bars) in the SimpliSafe app’s “Network” tab. Keep SD cards formatted to FAT32 and below 90% capacity for uninterrupted offline recording.
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Proactive maintenance should include quarterly sensor alignment checks using the device health report in the mobile app. Wipe camera lenses monthly with microfiber cloths to maintain motion detection accuracy. For cellular reliability, perform signal strength tests at different times of day—network congestion can reduce upload speeds by up to 40% during peak hours. Users in multi-story homes should consider installing a cellular signal booster if the base station shows less than 2 bars. SD card maintenance is crucial—perform full format (not quick format) every 6 months to prevent file corruption. Enable automatic firmware updates in system settings to ensure the latest security patches and optimization algorithms are installed during periods of internet connectivity.
“SimpliSafe’s hybrid connectivity model sets industry benchmarks—their cellular failover latency is 43% faster than ADT’s Pulse system. However, users should supplement with UPS battery backups for routers to minimize app downtime,” notes James Falk, IoT Security Consultant. “For mission-critical protection, pair SimpliSafe with landline backup (via optional adapter) in cellular dead zones.”
Conclusion
SimpliSafe maintains core security functionality during internet outages through cellular backups and local storage, though smart features and remote access require restoration of broadband connectivity. Users in areas with unreliable internet should prioritize cellular signal strength tests and auxiliary power solutions for comprehensive protection.
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FAQs
- Q: Does SimpliSafe call police without internet?
- A: Yes—professional monitoring centers dispatch emergency services via cellular backup if alarms trigger during outages.
- Q: Can burglars disable SimpliSafe’s cellular backup?
- A: No. The base station’s cellular radio and SIM card are tamper-proof, triggering immediate alarms if compromised.
- Q: Does SimpliSafe work during power outages?
- A: Yes, for 24+ hours via battery backup. Cameras and sensors operate independently of home power grids.