---
product_id: 435647975
title: "Ei146e Optical Smoke Alarm AC mains power supply and 9V alkaline battery back-up."
brand: "aico"
price: "$102.87"
currency: USD
in_stock: true
reviews_count: 8
category: "Aico"
url: https://www.desertcart.us/products/435647975-ei146e-optical-smoke-alarm-ac-mains-power-supply-and-9v
store_origin: US
region: United States of America
---

# Remote test, locate & silence compatible Dual power: AC mains + 9V battery backup Hardwire interconnect ready Ei146e Optical Smoke Alarm AC mains power supply and 9V alkaline battery back-up.

**Brand:** aico
**Price:** $102.87
**Availability:** ✅ In Stock

## Summary

> 🔥 Stay ahead of danger with smart, seamless smoke detection! 🔥

## Quick Answers

- **What is this?** Ei146e Optical Smoke Alarm AC mains power supply and 9V alkaline battery back-up. by aico
- **How much does it cost?** $102.87 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/435647975-ei146e-optical-smoke-alarm-ac-mains-power-supply-and-9v)

## Best For

- aico enthusiasts

## Why This Product

- Trusted aico brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Effortless Upgrade:** Slide-on installation replaces old alarms quickly—no hassle, no downtime, just instant peace of mind.
- • **Seamless Integration:** Hardwire interconnect capability allows multiple alarms to communicate, amplifying your home’s safety network.
- • **Smart Remote Control:** Compatible with remote test, locate, and silence functions for effortless, modern smoke alarm management.
- • **Compact & Discreet Design:** Sleek 30x30x30mm white profile fits perfectly in hallways and living rooms without disrupting your décor.
- • **Uninterrupted Safety Power:** AC mains supply with 9V alkaline battery backup ensures your home stays protected even during power outages.

## Overview

The Aico Ei146e Optical Smoke Alarm combines reliable 230V AC mains power with a 9V alkaline battery backup, ensuring continuous protection. Featuring remote test, locate, and silence compatibility plus hardwire interconnect capability, it offers modern convenience and scalable safety. Its compact design and easy slide-on installation make it the perfect upgrade for any home’s hallway or living room.

## Description

The Ei146e is an Optical Smoke Alarm with 230V AC mains power supply and 9V alkaline battery back-up. It is ideal for location in the hallways and living rooms.

Review: Easy to install if you are replacing old header. - Fantastically useful to be able to slide of the old out of date alarm and slide on a new one.
Review: A good replacement. - Very easy to fit on the existing base

## Features

- AC mains power supply and 9V alkaline battery back-up.
- Ei146e Optical Smoke Alarm
- Remote Test, Locate and Silence compatible
- Hardwire interconnect
- Detector may vary

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09Z8JTC25 |
| Alarm | Visual |
| Best Sellers Rank | 5,750 in DIY & Tools ( See Top 100 in DIY & Tools ) 38 in Smoke Alarms |
| Brand | Aico |
| Colour | White |
| Compatible Devices | Remote, Smoke Alarm |
| Country of Origin | China |
| Customer Reviews | 4.7 out of 5 stars 526 Reviews |
| Included Components | ei146e |
| Item Dimensions D x W x H | 30D x 30W x 30H millimetres |
| Item Type Name | ei146e |
| Manufacturer | Aico |
| Manufacturer Warranty Description | 1 year. |
| Model Number | Dlzc-qd-29 |
| Power source | Battery Powered |
| Product Style | Single |
| Product dimensions | 30D x 30W x 30H millimetres |
| Style | Single |
| Unit Count | 1.0 count |

## Product Details

- **Brand:** Aico
- **Style:** Single
- **Power source:** Battery Powered
- **Colour:** White
- **Product dimensions:** 30D x 30W x 30H millimetres
- **Alarm:** Visual
- **Compatible devices:** Remote, Smoke Alarm
- **Number of items:** 1
- **Manufacturer:** Aico

## Images

![Ei146e Optical Smoke Alarm AC mains power supply and 9V alkaline battery back-up. - Image 1](https://m.media-amazon.com/images/I/71lzTb4wBOL.jpg)

## Available Options

This product comes in different **Style** options.

## Questions & Answers

**Q: Is this a direct replacement for an Ei 141? Will it go straight onto the existing fitting?**
A: Hi Dave.  Yes this is a direct replacement for the Ei141.  My Ei141 came to its end of life recently.  I contacted AiCo as I wasn't sure but they confirmed the Ei146e is the optical alarm replacement for the Ei141.  The Ei146e will come with the base fitting (which is a standard unit for most of the mains smoke alarms) but you shouldn't need it as the replacement fits to base.

**Q: I fitted this to an existing aico fitting and it just won't stop beeping. I've pressed the test button for 10 seconds but it won't stop**
A: Had no problem when I installed mine on the existing wired Aico base. Whilst on a wired base it usually only bleeps continuously when the battery is low. Try a new battery, see if that works.

**Q: Hi, what is the expiry date please?**
A: You will find the expiry date on the product itself.

**Q: Can the firex model 1240c be replaced with the ei 146e**
A: If it is replacing a unit on its own it will be fine, but it will not interconnect with the Firex if there is more than one you would have to replace with the same manufacture!

## Customer Reviews

### ⭐⭐⭐⭐⭐ Easy to install if you are replacing old header.
*by I***N on 22 January 2026*

Fantastically useful to be able to slide of the old out of date alarm and slide on a new one.

### ⭐⭐⭐⭐⭐ A good replacement.
*by J***N on 13 October 2025*

Very easy to fit on the existing base

### ⭐⭐⭐⭐ Review
*by S***D on 28 January 2024*

Works great, it came with battery and so pleased it slotted easily into old base

## Frequently Bought Together

- Aico Ei146e Optical Smoke Alarm AC mains power supply and 9V alkaline battery back-up.
- Aico EI144e Heat Alarm Mains / 9V Battery Back Up, White
- Aico EI146e Set of 2 Mains Hard Wired Smoke Alarms with 9V Battery Back Up , White

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.us/products/435647975-ei146e-optical-smoke-alarm-ac-mains-power-supply-and-9v](https://www.desertcart.us/products/435647975-ei146e-optical-smoke-alarm-ac-mains-power-supply-and-9v)

---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-03-05*