BRK SMI105-AC BRK Hardwire Smoke Alarm with 10-Year Battery Backup (12

Q: How quickly will my order ship?

Most in-stock orders are processed within 1–3 business days . Standard shipping typically takes 1–5 business days , depending on your location.

Q: Can I return this product?

Yes. Most products can be returned within 30 days of your order date , provided they are new and unused . Some exclusions and conditions apply. Please review our Return Policy for complete details.

Q: Are there restocking fees?

Yes. A 30% restocking fee applies to eligible returns. Original shipping charges are non-refundable, and customers are responsible for return shipping costs. The restocking fee can be waived with a new order .

Q: Can I request bulk pricing?

Yes. Use the Add to Quote option on any product page to request a custom quote, or contact us directly for volume pricing and project-specific quotes.

BRK SMI105-AC BRK Hardwire Smoke Alarm with 10-Year Battery Backup (12-pack)

Brand: BRK
Part #: SMI105-AC

BRK SMI105-AC BRK Hardwire Smoke Alarm with 10-Year Battery Backup (12-pack)

$311.00

Pack: 12-Pack

12-Pack

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BRK SMI105-AC BRK Hardwire Smoke Alarm with 10-Year Battery Backup (12-pack)

12-Pack

$311.00

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Product Details

Description

BRK SMI105-AC Hardwired Smoke Alarm with 10-Year Battery Backup (12-Pack) – Ionization Sensor, SC5 Compatible

Upgrade your fire safety system with the BRK SMI105-AC Hardwired Smoke Alarm (12-Pack)—engineered for long-term reliability, advanced detection, and minimal maintenance. Designed with a 10-year sealed lithium battery backup, this unit provides continuous protection without the need for battery replacements, even during power outages.

Built for modern installations, this alarm integrates seamlessly with SC5 Smart Alarm systems and is compatible with most First Alert and BRK hardwired alarms. With interconnect capability, when one alarm is triggered, all connected units sound—ensuring full-property coverage and faster response times.

The advanced ionization sensing technology delivers quick detection of fast-flaming fires while minimizing nuisance alarms from everyday cooking. The latching alarm indicator allows you to quickly identify which unit initiated the alarm or has a low battery, making troubleshooting simple and efficient.

Key Features:

10-Year sealed lithium battery backup – no replacements required
Hardwired with interconnect capability – connects up to 12 smoke alarms + 6 additional devices
Compatible with SC5 Smart Alarm systems
Works with most First Alert & BRK alarms
Ionization sensor for fast-flaming fire detection
85 dB alarm at 10 feet for clear alerts
Latching alarm indicator for easy identification
Test/Silence button for quick control
End-of-life warning for timely replacement
Quick connect adapter plug included for easy installation
Dust cover included – ideal for construction environments
12-pack configuration – perfect for multi-unit or full-property installations

Specifications:

Model: SMI105-AC
SKU: 1046849
Type: Hardwired Smoke Alarm
Sensor: Ionization
Sound Output: 85 dB at 10 ft
Power Source: Hardwired with sealed 10-year lithium battery backup
Interconnect: Yes
Battery Replaceable: No
Dimensions: 5.69" L x 5.69" W x 2.25" H
Weight: 0.61 lb (each unit)
Color: White
UPC: 029054022516
Warranty: 10-Year Limited
Replaces Model: 9120LBL

Certifications & Compliance:

UL 217 8th Edition Listed
Meets current residential safety and building code requirements

Ideal For:
Residential homes, apartments, multi-family units, and contractors needing a reliable, low-maintenance interconnected smoke alarm system with long-term battery backup.

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Is this product in stock?

Inventory is updated regularly, but availability may change. Contact us for current stock on large orders.

How quickly will my order ship?

Most in-stock orders are processed within 1–3 business days. Standard shipping typically takes 1–5 business days, depending on your location.

Can I return this product?

Yes. Most products can be returned within 30 days of your order date, provided they are new and unused. Some exclusions and conditions apply. Please review our Return Policy for complete details.

Are there restocking fees?

Yes. A 30% restocking fee applies to eligible returns. Original shipping charges are non-refundable, and customers are responsible for return shipping costs. The restocking fee can be waived with a new order.

Is this product UL Listed or ETL Listed?

Certifications vary by product. Please review the product specifications or contact us to confirm certification details.

Does this item include a manufacturer warranty?

Most products are covered by the manufacturer's warranty. Warranty terms and coverage vary by brand and product.

Do you offer contractor pricing?

Yes. All products already include contractor pricing. Select a multi-pack option to save up to 10%. Your discount is automatically applied when you choose a qualifying multi-pack quantity.

Can I request bulk pricing?

Yes. Use the Add to Quote option on any product page to request a custom quote, or contact us directly for volume pricing and project-specific quotes.