4.9 Based on 1181 reviews 
Description
🛡️ Espire Optical Smoke Alarm with 10-Year Battery
💡 Reliable Safety with ESP ES1SL – Battery Powered Optical Smoke Alarm for Bedrooms and Escape Routes
The ESP ES1SL is a battery powered optical smoke alarm with a 10-year lithium battery, designed for bedrooms, lounges, stairways, and escape routes. It detects smoke using an optical sensor and includes a loud 85dB sounder and clear LED status lights.
This model is RF-Link compatible (requires ES1RF2 module, sold separately), allowing up to 28 Espire alarms to wirelessly interconnect for full-home protection — even if there’s no wiring between rooms.
🔧 Key Features – Battery Powered Optical Smoke Alarm with 10 Year Battery
- Power Supply: 3V lithium battery (non-replaceable)
- Battery Life: 10 years
- Sensor Type: Optical smoke
- Sound Level: 85dB at 3 metres
- LED Indicators: Yellow (Fault), Red (Fire)
- RF-Link Compatibility:
- ✅ Compatible with RF-Link (requires ES1RF2, sold separately)
- ➤ Links up to 28 alarms wirelessly
- Functions: Test button, alarm hush (10 min), fault hush (12 hr)
- Smart Features: Dust compensation, insect mesh, lock-in base, 24-hour memory
- Mounting: Wall or ceiling
- Size & Weight: Ø132 x 53mm, 0.248 kg
- Material: UV-stabilised UL94-V0 ABS
- Certified To: EN 14604:2005 +AC:2008
- Warranty: 5 years
🏡 Best For
- Bedrooms and living rooms
- Stairwells and escape routes
- Homes without wired alarm systems
- Property upgrades and retrofits
- Wireless alarm network setups
📦 What’s in the Box
- ESP ES1SL smoke alarm
- Sealed 10-year lithium battery
- Mounting base and fixings
- Instruction leaflet
✅ Why Choose the ESP ES1SL?
This optical smoke alarm is ideal for key living areas and can be wirelessly linked to other Espire alarms using the ES1RF2 module. With a sealed 10-year battery and built-in features like dust compensation and LED indicators, it provides reliable long-term protection.
🔗 Related Products
Need a mains version? See the ESP ES1SLV Smoke Alarm.
Want heat detection too? Try the ESP ES1MULV Smoke & Heat Alarm.
📝 Summary – Battery Powered Optical Smoke Alarm with 10 Year Battery
Optical smoke alarm with sealed 10-year battery. RF-Link compatible with ES1RF2 module. Ideal for bedrooms, lounges, and escape routes. Easy, wireless protection.
