---
product_id: 473748871
title: "Visonic Powermax Battery For MCS-740 Siren Pack of 2"
brand: "visonic"
price: "FREE"
currency: SGD
in_stock: false
url: https://www.desertcart.sg/products/473748871-visonic-powermax-battery-for-mcs-740-siren-pack-of-2
store_origin: SG
region: Singapore
---

# 3.5Ah long-lasting capacity 3.6V high-voltage power Complete connector-ready pack Visonic Powermax Battery For MCS-740 Siren Pack of 2

**Brand:** visonic
**Price:** FREE
**Availability:** ❌ Out of Stock

## Summary

> 🔋 Power your peace of mind with Visonic’s ultimate siren battery pack!

## Quick Answers

- **What is this?** Visonic Powermax Battery For MCS-740 Siren Pack of 2 by visonic
- **How much does it cost?** FREE with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/473748871-visonic-powermax-battery-for-mcs-740-siren-pack-of-2)

## Best For

- visonic enthusiasts

## Why This Product

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

## Key Features

- • **Dual-Pack Value:** Two batteries included to keep your security system running without downtime.
- • **Unmatched Longevity:** 3.5Ah capacity ensures your siren stays powered longer without interruptions.
- • **Plug & Play Convenience:** Comes with the exact connector for seamless installation—no extra parts needed.
- • **Optimized for Powermax MCS-740:** Specifically designed for perfect compatibility with your Visonic siren system.
- • **Reliable Lithium-Thionyl Chemistry:** Premium Li-SOCL2 cells deliver stable, high-energy output for critical alerts.

## Overview

The Visonic Powermax Battery Pack includes two 3.6V, 3.5Ah Lithium-Thionyl Chloride batteries designed exclusively for the MCS-740 siren. Non-rechargeable and connector-ready, this pack guarantees reliable, long-lasting power for wireless external sounders, ensuring your security system never misses a beat.

## Description

Complete battery for the Visonic Powermax MCS-740 siren. 2 packs of 2 batteries (complete mermaid pack). This is the non-rechargeable battery for totally wireless external sounders. The battery is supplied with the appropriate connector for the sounder.

## Features

- System: Primary Lithium Thionyl Chloride
- Type: Lithium Thionyl Chloride
- Voltage: 3.6V
- Capacity: 3.5Ah per battery
- Complete Pack for Siren
- System: Lithium Thionyl Chloride.
- Capacity: 3.5 Ah per battery.
- Complete mermaid pack.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07NQK51WD |
| Amperage | 3.5 Amps |
| Battery Cell Type | Lithium-Thionyl Chloride (Li-SOCL2) |
| Brand | Visonic |
| Compatible Phone Models | MCS 740 Siren |
| Item Weight | 0.1 Kilograms |
| Manufacturer | Visonic |
| Number of Batteries | 1 Lithium Metal batteries required. (included) |
| Reusability | Single Use |
| Voltage | 3.6 Volts |

## Product Details

- **Battery cell composition:** Lithium-Thionyl Chloride (Li-SOCL2)
- **Brand:** Visonic
- **Number of batteries:** 1 Lithium Metal batteries required. (included)
- **Reusability:** Single Use
- **Voltage:** 3.6 Volts

## Images

![Visonic Powermax Battery For MCS-740 Siren Pack of 2 - Image 1](https://m.media-amazon.com/images/I/51p0i3UGoIL.jpg)

## Frequently Bought Together

- Visonic Powermax Battery For MCS-740 Siren Pack of 2
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**Shop now:** [https://www.desertcart.sg/products/473748871-visonic-powermax-battery-for-mcs-740-siren-pack-of-2](https://www.desertcart.sg/products/473748871-visonic-powermax-battery-for-mcs-740-siren-pack-of-2)

---

*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-10-20*