---
product_id: 664669219
title: "2 x Visonic Powermax Battery for MCS-740 Pack of 2 Siren Alarm SR-740 PG2 PowerMax Box 2XER18505M 103-304742 Pair"
brand: "battereasy"
price: "$2911"
currency: MXN
in_stock: true
url: https://www.desertcart.mx/products/664669219-2-x-visonic-powermax-battery-for-mcs-740-pack-2
store_origin: MX
region: Mexico
---

# 7.0Ah Extended Life Reliable Dual Pack 3.6V Lithium Power 2 x Visonic Powermax Battery for MCS-740 Pack of 2 Siren Alarm SR-740 PG2 PowerMax Box 2XER18505M 103-304742 Pair

**Brand:** battereasy
**Price:** $2911
**Availability:** ✅ In Stock

## Summary

> 🔋 Power your peace of mind with batteries that never quit!

## Quick Answers

- **What is this?** 2 x Visonic Powermax Battery for MCS-740 Pack of 2 Siren Alarm SR-740 PG2 PowerMax Box 2XER18505M 103-304742 Pair by battereasy
- **How much does it cost?** $2911 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.mx](https://www.desertcart.mx/products/664669219-2-x-visonic-powermax-battery-for-mcs-740-pack-2)

## Best For

- battereasy enthusiasts

## Why This Product

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

## Key Features

- • **Dual Battery Pack:** Designed specifically for MCS-740 & SR-740 PG2 sirens requiring two batteries.
- • **Compact & Lightweight:** 6x6x3 cm, 100g size fits seamlessly into your security setup.
- • **Extended 7.0Ah Capacity:** Up to 3 years of reliable siren operation without frequent replacements.
- • **Trusted OEM Replacement:** BatterEasy quality guarantees compatibility and peace of mind.
- • **Long-Lasting Lithium Power:** 3.6V voltage ensures consistent, high-performance energy delivery.

## Overview

This pack of 2 Visonic Powermax lithium AA batteries (3.6V, 7.0Ah) is engineered for MCS-740 and SR-740 PG2 sirens, delivering up to 3 years of dependable power. Compact and lightweight, these OEM-grade replacements ensure your security system stays alert and uninterrupted.

## Description

2 x Visonic Powermax Battery for MCS-740 Pack of 2 Siren Alarm SR-740 PG2 PowerMax Box 2XER18505M 103-304742 Pair

## Features

- Type: Lithium AA Battery, ER18505M
- P/N: 103-304742, 2XER18505M
- Cable Length: 50mm
- Rating: 3.6v, 7.0Ah
- High Quality Replacement Battery

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Voltage | 3.6 Volts (DC) |
| Control method | Touch |
| Mounting type | Wall Mount |
| EU Spare Part Availability Duration | 3 Years |
| Manufacturer | BatterEasy |
| Product Dimensions | 6 x 6 x 3 cm; 100 g |
| Batteries | 1 Lithium Ion batteries required. |
| Item model number | 5 |
| Included Components | Batteries |
| Batteries included? | No |
| Batteries Required? | No |
| Battery Cell Type | Lithium Ion |
| Item Weight | 100 g |

## Product Details

- **Colour:** Blue
- **Brand:** BatterEasy
- **Power source:** Battery Powered
- **Battery description:** Lithium
- **Number of batteries:** 1 Lithium Ion batteries required.

## Images

![2 x Visonic Powermax Battery for MCS-740 Pack of 2 Siren Alarm SR-740 PG2 PowerMax Box 2XER18505M 103-304742 Pair - Image 1](https://m.media-amazon.com/images/I/41YOOQDDMhL.jpg)

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**Shop now:** [https://www.desertcart.mx/products/664669219-2-x-visonic-powermax-battery-for-mcs-740-pack-2](https://www.desertcart.mx/products/664669219-2-x-visonic-powermax-battery-for-mcs-740-pack-2)

---

*Product available on Desertcart Mexico*
*Store origin: MX*
*Last updated: 2026-03-13*