---
product_id: 100325802
title: "Solex SB1240 12V 4Ah Alarm Battery Replacement (12V 5Ah - Higher Capacity Replacement - Lasts Longer Than Original!)"
brand: "beiter dc power"
price: "2047299₫"
currency: VND
in_stock: true
reviews_count: 8
url: https://www.desertcart.vn/products/100325802-solex-sb1240-12v-4ah-alarm-battery-replacement-12v-5ah-higher
store_origin: VN
region: Vietnam
---

# 20 Hour Life 12V Power Spill-Proof Design Solex SB1240 12V 4Ah Alarm Battery Replacement (12V 5Ah - Higher Capacity Replacement - Lasts Longer Than Original!)

**Brand:** beiter dc power
**Price:** 2047299₫
**Availability:** ✅ In Stock

## Summary

> 🔋 Power Up Your Life with Beiter!

## Quick Answers

- **What is this?** Solex SB1240 12V 4Ah Alarm Battery Replacement (12V 5Ah - Higher Capacity Replacement - Lasts Longer Than Original!) by beiter dc power
- **How much does it cost?** 2047299₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/100325802-solex-sb1240-12v-4ah-alarm-battery-replacement-12v-5ah-higher)

## Best For

- beiter dc power enthusiasts

## Why This Product

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

## Key Features

- • **Safe & Reliable:** Enjoy peace of mind with our valve-regulated, spill-proof design.
- • **Trusted Quality:** Join the ranks of satisfied users with one of the highest-reviewed batteries!
- • **Unmatched Longevity:** Experience a longer-lasting power solution with our 5Ah replacement!
- • **Versatile Orientation:** Install it anywhere—our battery operates safely in any position.
- • **Fiberglass Mat Technology:** Benefit from advanced fiberglass mat for superior performance.

## Overview

The Beiter DC Power Solex SB1240 is a high-quality 12V 4Ah sealed lead acid battery replacement, designed for extended use and reliability. With a higher capacity option available, this battery ensures longer life and safe operation in any orientation, making it a trusted choice for various applications.

## Description

Beiter DC Power Solex SB1240 12V 4Ah Alarm Battery Replacement (12V 5Ah - Higher Capacity Replacement - Lasts Longer Than Original!)

## Features

- Genuine Beiter DC Power Battery û One of the Most Trusted and Highest Reviewed Sealed Lead Acid Batteries on desertcart
- Battery Type - 20 Hour Sealed Lead Acid Battery
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- A Very Fine Fiberglass Mat. This Along with The Valve Regulated, Spill-Proof Design of Our Batteries Allows Trouble-Free, Safe Operation in Any Orientation

## Images

![Solex SB1240 12V 4Ah Alarm Battery Replacement (12V 5Ah - Higher Capacity Replacement - Lasts Longer Than Original!) - Image 1](https://m.media-amazon.com/images/I/61QfsuwvLnS.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Good value
  

*by M***D on Reviewed in the United States on April 23, 2022*

Used to update my alarm system.Then used it as a replacement battery in my chamberlain garage door opener.Worked well both situation

### ⭐⭐⭐ 3.0 out of 5 stars







  
  
    New battery and Transformer?!?!
  

*by S***4 on Reviewed in the United States on June 14, 2019*

Honestly,i dont know what's going on. Neither the said bought new battery and just purchased transformer doest work. Transformer seems warm when plugged in with hummering sounds.Guessed that's how it itends to work.But overal,my alrm system doesnt comes on at all! I might probably install a complete whole unit than above.

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Working fine.
  

*by M***D on Reviewed in the United States on November 11, 2020*

Seems to be working fine. No more low-battery alarms.

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**Shop now:** [https://www.desertcart.vn/products/100325802-solex-sb1240-12v-4ah-alarm-battery-replacement-12v-5ah-higher](https://www.desertcart.vn/products/100325802-solex-sb1240-12v-4ah-alarm-battery-replacement-12v-5ah-higher)

---

*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-06-03*