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Electrical4less Reviews4.9 Based on 1749 reviews
UK Mainland Free Delivery £100 + VAT
30 Day Return Policy
Next Day Delivery Cut Off Time 3PM

230V + 9V Backup Alarms

Shop 230V + 9V Backup Alarms at Electrical4Less. These mains-powered smoke alarms feature a 9V backup battery, ensuring continued protection during power cuts. Commonly used in both domestic and commercial installations, they provide dependable performance and comply with UK fire safety standards. Electricians prefer 230V + 9V Backup Alarms for their easy installation, long service life, and trusted reliability. Browse our full range of Smoke Alarms for more fire safety options.

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Aico Ei146e Optical Smoke Alarm Aico Ei146e Optical Smoke Alarm 2

Aico Ei146e Optical Smoke Alarm
24 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: Ei146e
£19.99
Aico Ei144e Heat Alarm

Aico Ei144e Heat Alarm
12 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: Ei144e
£28.45
ESP ES1SRV Espire Optical Smoke Alarm Powered by Mains with 9V Battery ESP ES1SRV Espire Optical Smoke Alarm Powered by Mains with 9V Battery 2

ESP ES1SRV Espire Optical Smoke Alarm Powered by Mains with 9V Battery
3 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: ES1SRV
£18.13
ESP ES1HRV Espire Heat Alarm Powered by Mains with Replaceable 9V Battery

ESP ES1HRV Espire Heat Alarm Powered by Mains with Replaceable 9V Battery
7 In Stock
More available within:
Usually 1 - 3 Working Days
Read More
SKU: ES1HRV
£25.78
Axiom ALRFHM Axiom Mains Heat Alarm with Battery Backup

Axiom ALRFHM Mains Heat Alarm with Battery Backup
Available to Order
Estimated Lead Time:
Usually 2 - 3 Working Days
Read More
SKU: ALRFHM
£21.93

Showing all 5 results

Family Business 2

Welcome to Electrical4Less Ltd.

We’re an independent electrical trade counter and online supplier based in Fulham, London SW6 1RP. Every day we support local electricians and construction sites with fast, reliable supply of trusted products. Whether you need same-day collection, local delivery, or next-day courier across the UK, we make it happen without the hassle. Overseas orders? No problem — we’ve got you covered.

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Our Memberships

As proud members of the Independent Buying Association (IBA) and the Electrical Distributors’ Association (EDA), we’re connected to over 100+ approved UK suppliers. That means the buying power of a national wholesaler with the flexibility and personal service of an independent.

Membership gives us more than sharp pricing — it guarantees professional standards, compliance, and best practice, so you can trust every order meets industry requirements.

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Why Choose Us

We’re not a faceless website or call centre — we’re a hands-on team who pick up the phone, answer WhatsApp, and actually listen. No bureaucracy, no endless forms. Just people ready to help you get the job done, quickly and reliably.

  • Easy contact via WhatsApp, phone, or email
  • Friendly, no-nonsense service from people who know the trade
  • Hands-on help finding exactly what you need
  • Fast UK courier delivery plus international shipping available

Proudly serving electricians and construction projects across Fulham, Chelsea, and the wider London area — and nationwide with fast next-day delivery by courier.

📲 Need something sorted fast? Message us on WhatsApp at 07926 999 412 — no waiting, no hassle, just answers.

© 2026 Electrical4less
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Next Day Delivery

Cut-Off Time and Order Information
To ensure your order qualifies for next day delivery, please place your order by 3:00 PM. This is subject to all items being available on the shelf at the time of your order. For orders where the total value exceeds £200 + VAT (double our standard carriage-paid order value of £100 + VAT), we are happy to split the delivery into two shipments if some items are needed urgently and others are not immediately available. If you have any questions or need further assistance, feel free to reach out to us via WhatsApp for live support. We’re here to help!

In Stock Delivery Policy

Free Next-Day Delivery Over £100 + VAT:
Orders above £100 + VAT qualify for free next-day delivery via DPD for in-stock items. While we strive for timely dispatch, we recommend placing orders early to avoid potential delays. Once dispatched, unexpected issues may arise despite the courier’s efforts.

Orders Below £200 + VAT:
To keep costs manageable, we dispatch your order once all items are ready, including products with longer lead times.

Need items faster? You can pay for an additional delivery service to receive in-stock items sooner. Simply email us with your order details, and we’ll send you a payment link for the extra delivery cost.

Orders Above £200 + VAT:
For larger orders, we can split delivery at no extra cost. In-stock items will be sent immediately, with the remaining items dispatched once available.

Supplier Lead Time & Availability

This item may be sourced from our supplier before dispatch.
The lead time shown is an estimate only and is based on the usual supplier timeframe. It is subject to supplier availability and is not a guaranteed delivery date.
We do not have a live supplier stock feed, so supplier stock can change without notice.
Delivery timers and courier estimates apply once the item is available for dispatch.
If the item is unavailable, we will contact you with the available options, including waiting for stock, choosing an alternative product, cancellation, or a refund for the unavailable item.
This does not affect your statutory rights.

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We usually respond within minutes during working hours.

Ordering this product

To purchase this catalogue item, start by adding it to your quote list. Submit your enquiry with the quantity you require, and our team will help you complete your order.

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