---
product_id: 355644775
title: "300-03866 7.2V 3700mAh Battery"
brand: "gsuiveer"
price: "296 zł"
currency: PLN
in_stock: null
reviews_count: 8
url: https://www.desertcart.pl/products/355644775-300-03866-7-2v-3700mah-battery
store_origin: PL
region: Poland
---

# 3700mAh Long-Lasting Charge 7.2V Power Boost 3-Prong Connector Fit 300-03866 7.2V 3700mAh Battery

**Brand:** gsuiveer
**Price:** 296 zł
**Availability:** ❌ Out of Stock

## Summary

> 🔋 Power your security with confidence—never miss a beat!

## Quick Answers

- **What is this?** 300-03866 7.2V 3700mAh Battery by gsuiveer
- **How much does it cost?** 296 zł with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/355644775-300-03866-7-2v-3700mah-battery)

## Best For

- gsuiveer enthusiasts

## Why This Product

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

## Key Features

- • **Power That Lasts:** High-capacity 3700mAh Ni-Mh battery ensures extended device uptime without frequent swaps.
- • **Smart Investment:** Reliable power backup for your security devices—because peace of mind can’t wait.
- • **Plug & Play Design:** 3-prong connector guarantees easy installation—no tech headaches, just instant power.
- • **Seamless Compatibility:** Perfectly fits Lynx and Lyric security systems for hassle-free replacement.
- • **Trusted Original Quality:** 100% compatible with original parts, maintaining your system’s peak performance.

## Overview

This 7.2V 3700mAh Ni-Mh battery is engineered for Lynx and Lyric alarm systems, offering a perfect 3-prong connector fit and full compatibility with original parts to ensure reliable, long-lasting power for your home security setup.

## Description

Full description not available

## Features

- Original Part Numbers: 300-03866, LCP500-4B, LYNXRCHKIT-SHA, OSA214
- Compatible Part Numbers: Lynx, Lynx 5100, Lynx 5200, Lynx 5210, Lynx Touch 5210, Lynx Touch 7000, Lyric Controller, Lyric Keypad LCP500-L
- Battery Voltage: 7.2V; Capacity: 3700mAh; Ni-Mh
- Make sure it fits. Please check your part number before purchase. (NOTE: Battery Connector - 3 Prong)
- 100% Compatible with original battery

## Product Details

- **Number of Batteries:** 6 A batteries required. (included)
- **Brand:** GSUIVEER
- **Battery Cell Composition:** NiMH
- **Battery Capacity:** 3700 Milliamp Hours
- **Recommended Uses For Product:** Home Security Systems

## Images

![300-03866 7.2V 3700mAh Battery - Image 1](https://m.media-amazon.com/images/I/616eLSIOH2L.jpg)
![300-03866 7.2V 3700mAh Battery - Image 2](https://m.media-amazon.com/images/I/613v34374mL.jpg)
![300-03866 7.2V 3700mAh Battery - Image 3](https://m.media-amazon.com/images/I/61oCOyRhJPL.jpg)
![300-03866 7.2V 3700mAh Battery - Image 4](https://m.media-amazon.com/images/I/616d8QyfznL.jpg)
![300-03866 7.2V 3700mAh Battery - Image 5](https://m.media-amazon.com/images/I/51WeMdowBNL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ It was the right size.
*by G***Y on July 6, 2025*

Worked perfectly in my alarm system.

### ⭐⭐⭐⭐⭐ Battery for my alarm System
*by B***Y on March 8, 2025*

Works Great

### ⭐⭐⭐⭐⭐ Good
*by A***R on March 1, 2025*

Good

## Frequently Bought Together

- GSUIVEER 300-03866 7.2V 3700mAh Battery Compatible with Honeywell Alarm Lynx 5100, 5200, 5210, Lynx Touch 7000, Lyric Controller Lyric Keypad LCP500-L LYNXRCHKIT-SHA LCP500-4B
- GSUIVEER 300-06868 7.2V 600mAh Battery Compatible with Honeywell 8DLLKP500 8DLTSSCBASE1 8DLWLTP100 WLTP100 LKP500 Lyric Smart Peripheral Wireless Keypad TouchPad ADT

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**Shop now:** [https://www.desertcart.pl/products/355644775-300-03866-7-2v-3700mah-battery](https://www.desertcart.pl/products/355644775-300-03866-7-2v-3700mah-battery)

---

*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-03-15*