---
product_id: 563560363
title: "EEMB Lithium Polymer Battery 3.7V 1100mAh 603449 Lipo Rechargeable Battery Pack with Wire JST Connector for Speaker and Wireless Device- Confirm Device & Connector Polarity Before Purchase"
brand: "eemb"
price: "A$0"
currency: AUD
in_stock: false
url: https://www.desertcart.com.au/products/563560363-eemb-lithium-polymer-battery-3-7v-1100mah-603449-lipo-rechargeable
store_origin: AU
region: Australia
---

# 1100mAh high capacity 3.7V stable power Multi-layer PCM protection EEMB Lithium Polymer Battery 3.7V 1100mAh 603449 Lipo Rechargeable Battery Pack with Wire JST Connector for Speaker and Wireless Device- Confirm Device & Connector Polarity Before Purchase

**Brand:** eemb
**Price:** A$0
**Availability:** ❌ Out of Stock

## Summary

> 🔋 Power your lifestyle with precision and protection!

## Quick Answers

- **What is this?** EEMB Lithium Polymer Battery 3.7V 1100mAh 603449 Lipo Rechargeable Battery Pack with Wire JST Connector for Speaker and Wireless Device- Confirm Device & Connector Polarity Before Purchase by eemb
- **How much does it cost?** A$0 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/563560363-eemb-lithium-polymer-battery-3-7v-1100mah-603449-lipo-rechargeable)

## Best For

- eemb enthusiasts

## Why This Product

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

## Key Features

- • **Safety First:** Built-in PCM safeguards against overcharge, discharge, short circuit, and overheating.
- • **Certified Quality:** UN 38.3 & UL certified for peace of mind in every charge cycle.
- • **Long-Lasting Power:** 1100mAh capacity delivers reliable energy for your wireless devices all day long.
- • **Compact & Lightweight:** Slim 34.5x51x6.3mm design at just 30g fits seamlessly into your tech gear.
- • **Precision Fit Connector:** JST PHR 2.0mm ensures perfect polarity match—no shorts, no worries.

## Overview

The EEMB Lithium Polymer Battery LP603449-PCM offers a stable 3.7V output with a robust 1100mAh capacity, housed in a compact 34.5x51x6.3mm form factor. Featuring a JST PHR 2.0mm connector for exact polarity matching, it includes advanced PCM protection against overcharge, discharge, short circuit, and overheating. Certified to UN 38.3 and UL standards, this rechargeable battery is ideal for Bluetooth speakers, smart home devices, and other wireless electronics demanding reliable, safe power.

## Description

Specification:LP402535Typical capacity: 320mAh, Min capacity: 300mAhNominal Voltage: 3.7 VWeight: 12gMaximum Charge Current: 300mALimited Voltage: 4.200±0.020 VEnd-of Current: 40 mAMaximum Discharge Current: 600 mACut-off Voltage: 2.750±0.005 VCharge Temperature: 0 ~ 45 ℃Discharge Temperature: -20 ~ +60 ℃Storage Relative Humidity: 65 ± 20 %Overcharge Detection Voltage: 4.28± 0.05VOverdischarge Detection Voltage: 3.0± 0.1VPCM protection function: over charge, over discharge, over current, short circuit protection.APPLICATION:PSP batteryPhantom 3 standard controllerHome security systemBlue tooth headset batteryHandheld remoteBluetooth speakerKise machine batteryPDA and digital camerasTracking devicesNotebook computersPulse monitorsWi-Fi enabled smart home systems

## Features

- Make Sure Device Polarity Matches with Battery Pack Connector Before Purchase!!!-1.Battery Size; 2.Connector Model; 3.Connector Size; 4.Connector Polarity - THIS IS NOT UNIVERSAL!!! (It will cause a shortage if the polarity of the battery connector does not match your device.)
- BASIC INFO—Voltage: 3.7V; Typical capacity: 1100mAh, Min capacity: 1000mAh; Weight: approximate 22g; Size: MAX 34.5 x MAX 51 x MAX 6.3mm (WxLxH). And the connector model of our battery is JSH-PHR-02. The distance between positive and negative poles is 2mm and the width of the whole plug is 5.8 mm.
- RELIABLE PERFORMANCE—No leaking, excellent cost performance and long cycle life. PCM protection function: over charge, over discharge, over current, short circuit protection, over temperature protection.
- CERTIFICATIONS—UN 38.3 compliant. More than 400 EEMB batteries are UL certified. Search "MH20555" on UL for all EEMB UL certification information.//QUALITY SERVICE— Please contact us if you have any questions or concerns with the product via desertcart message. We will respond to you within 24 hours.
- STORAGE & APPLICATION—Keep the cells in 40%-60% charged state during long period storage. We recommend to charge the battery every 3 months after receipt of the battery and maintain the voltage 3.7-4.0V. Store battery in cool and dry place.//SUITABLE for Bluetooth speaker, dash cam, keyboard and mouse, Wi-Fi smart home systems, PDA and digital cameras, GPS, monitoring units, e-books, tracking devices, blood oxygen tracking equipment, pulse monitors, wireless, IoT.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | EEMB |
| Model | LP603449-PCM |
| Model Name | LP603449 with JST PHR 2.0mm Connector |
| Product Dimensions | 3.45 x 5.1 x 0.63 cm; 30 g |
| Batteries | 1 Lithium Polymer batteries required. (included) |
| Item model number | LP603449-PCM |
| Voltage | 3.7 Volts |
| Batteries Included | Yes |
| Batteries Required | Yes |
| Battery cell composition | Lithium Polymer |
| Item Weight | 30 g |

## Product Details

- **Number of Batteries:** 1 Lithium Polymer batteries required. (included)
- **Brand:** EEMB
- **Battery Cell Composition:** Lithium Polymer
- **Recommended Uses For Product:** Arduino Board, Remote controller, Bluetooth speaker, LED Light, Wireless headphones, Wireless keyboard, Alarm, Radio, micro controller, GPS, Camera
- **Net Quantity:** 1 Count
- **Voltage:** 3.7 Volts
- **Model Name:** LP603449 with JST PHR 2.0mm Connector
- **Item dimensions L x W x H:** 34 x 51 x 6 Millimeters
- **Item Weight:** 0.03 Kilograms
- **Amperage:** 22 Amps

## Images

![EEMB Lithium Polymer Battery 3.7V 1100mAh 603449 Lipo Rechargeable Battery Pack with Wire JST Connector for Speaker and Wireless Device- Confirm Device & Connector Polarity Before Purchase - Image 1](https://m.media-amazon.com/images/I/61JiUIw+R1L.jpg)
![EEMB Lithium Polymer Battery 3.7V 1100mAh 603449 Lipo Rechargeable Battery Pack with Wire JST Connector for Speaker and Wireless Device- Confirm Device & Connector Polarity Before Purchase - Image 2](https://m.media-amazon.com/images/I/71pqOUHb32L.jpg)
![EEMB Lithium Polymer Battery 3.7V 1100mAh 603449 Lipo Rechargeable Battery Pack with Wire JST Connector for Speaker and Wireless Device- Confirm Device & Connector Polarity Before Purchase - Image 3](https://m.media-amazon.com/images/I/6180zND69WL.jpg)
![EEMB Lithium Polymer Battery 3.7V 1100mAh 603449 Lipo Rechargeable Battery Pack with Wire JST Connector for Speaker and Wireless Device- Confirm Device & Connector Polarity Before Purchase - Image 4](https://m.media-amazon.com/images/I/71ZVPBH+WcL.jpg)
![EEMB Lithium Polymer Battery 3.7V 1100mAh 603449 Lipo Rechargeable Battery Pack with Wire JST Connector for Speaker and Wireless Device- Confirm Device & Connector Polarity Before Purchase - Image 5](https://m.media-amazon.com/images/I/71-H6kah5lL.jpg)

## Questions & Answers

**Q: The box clearly states non rechargeable, are these actually rechargeable?!?!**
A: I didn’t pay attention to my box but yes they are rechargeable.

**Q: what's the shut off voltage?**
A: 4.2 volts

**Q: is the polarity of the connector reversed?**
A: The polarity of the connector battery side is as you see it.
Red(+) Black(-).... However... I have seen instances were the polarity of the pins on the equipment side has been reversed.
A pain.  You will have to verify the circuit diagram that you are connecting the battery to.

**Q: Can it be used on 3 wire equipment? how to connect if yes? i am trying to use it on logitech mx master mouse.**
A: 3 wire Lipo's have balancing tech/ability.  These two wire batteries are not setup for that.

## Frequently Bought Together

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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-01-29*