---
product_id: 534400383
title: "Sponsored Ad – DC 3.7V 3000mAh 103665 Rechargeable Lithium Polymer Battery, Suitable for DIY 3.7-5V Electronic Products with Built-in 2-Wire Battery Replacement and LED Lights"
brand: "hxjnldc"
price: "KD 14.85"
currency: KWD
in_stock: true
url: https://www.desertcart.com.kw/products/534400383-sponsored-ad-dc-3-7v-3000mah-103665-rechargeable-lithium-polymer
store_origin: KW
region: Kuwait
---

# 3A max current 3000mAh capacity Overcharge protection Sponsored Ad – DC 3.7V 3000mAh 103665 Rechargeable Lithium Polymer Battery, Suitable for DIY 3.7-5V Electronic Products with Built-in 2-Wire Battery Replacement and LED Lights

**Brand:** hxjnldc
**Price:** KD 14.85
**Availability:** ✅ In Stock

## Summary

> 🔧 Power Your Passion with Precision!

## Quick Answers

- **What is this?** Sponsored Ad – DC 3.7V 3000mAh 103665 Rechargeable Lithium Polymer Battery, Suitable for DIY 3.7-5V Electronic Products with Built-in 2-Wire Battery Replacement and LED Lights by hxjnldc
- **How much does it cost?** KD 14.85 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.kw](https://www.desertcart.com.kw/products/534400383-sponsored-ad-dc-3-7v-3000mah-103665-rechargeable-lithium-polymer)

## Best For

- hxjnldc enthusiasts

## Why This Product

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

## Key Features

- • **Safety First:** Equipped with advanced protection against overcharge, overdischarge, and short circuits.
- • **Quality Assurance:** Enjoy peace of mind with a one-year quality guarantee and hassle-free replacements.
- • **Compact & Lightweight:** Measuring just 66×36×10mm and weighing only 47.4g, it's perfect for portable applications.
- • **Power Up Your Projects:** Elevate your DIY electronics with a robust 3000mAh lithium polymer battery.
- • **Versatile Compatibility:** Ideal for a range of 3.7-5V electronic products, ensuring seamless integration.

## Overview

The DC 3.7V 3000mAh 103665 Rechargeable Lithium Polymer Battery is designed for DIY electronic projects requiring a reliable power source. With a nominal voltage of 3.7V and a full charge voltage of 4.2V, this battery offers a capacity of 3000mAh and a maximum current of 3A. It features built-in safety mechanisms to prevent overcharging and short circuits, making it a safe choice for various applications. Compact and lightweight, it is easy to integrate into your projects, and comes with a one-year quality guarantee.

## Description

DC 3.7V 3000mAh 103665 Rechargeable Lithium Polymer Battery, Suitable for DIY 3.7-5V Electronic Products with Built-in 2-Wire Battery Replacement and LED Lights

## Features

- This battery is applicable to electronic products with DIY 3.7-5V less than 11.1Wh 3000mAh.（★Not suitable for power tools and model aircraft）
- Please carefully compare the polarity of the connector before use,★the red wire is the positive "+" and the black wire is the negative "-"，Do not reverse-charge or reverse-connectreverse. ★The primary battery of some products has no plug or mismatched plug or mismatched polarity. It doesn't matter, you can cut and solder the plug directly or use our heat shrinkable insulating sleeve to connect the same color wire.
- 103665 rechargeable lithium ion polymer battery, nominal voltage 3.7V, full charge voltage 4.2V, capacity 3000mAh, power 11.1Wh, ★size 66×36×10mm(2.6×1.417×0.393inch）(T*W*L), Weight:47.4g(1.676oz)，Maximum current:3A。 It can prevent overcharge, overdischarge, overcurrent, and short circuit.
- It‘s consists of of large-capacity A+ lithium battery, Japanese Seiko IC overcharge and overcurrent short circuit protection board, 3302-24 high temperature resistant silicone cable, and genuine JST Pitch 2.0mm ★2 wire connector module.
- If there is any quality problem within one year, ★please contact us by email at any time and replace it free of charge.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Antenna Location | Power Tool, Watch, GPS |
| Item Weight | 51 Grams |
| Battery Weight | 47.3 Grams |
| Item Dimensions | 2.6 x 1.42 x 0.39 inches |
| Unit Count | 1 Count |
| Battery Cell Type | Lithium Polymer |
| Amperage | 3 Amps |
| Battery Capacity | 3000 Milliamp Hours |
| Reusability | Rechargeable |
| Voltage | 3.7 Volts (DC) |

## Product Details

- **Number of Batteries:** 1 Lithium Polymer batteries required. (included)
- **Brand:** HXJNLDC
- **Battery Cell Composition:** Lithium Polymer
- **Battery Capacity:** 3000 Milliamp Hours
- **Recommended Uses For Product:** GPS, Power Tool, Watch

## Images

![Sponsored Ad – DC 3.7V 3000mAh 103665 Rechargeable Lithium Polymer Battery, Suitable for DIY 3.7-5V Electronic Products with Built-in 2-Wire Battery Replacement and LED Lights - Image 1](https://m.media-amazon.com/images/I/61wvu-m0NbL.jpg)

## Available Options

This product comes in different **Colour Name** options.

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**Shop now:** [https://www.desertcart.com.kw/products/534400383-sponsored-ad-dc-3-7v-3000mah-103665-rechargeable-lithium-polymer](https://www.desertcart.com.kw/products/534400383-sponsored-ad-dc-3-7v-3000mah-103665-rechargeable-lithium-polymer)

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*Product available on Desertcart Kuwait*
*Store origin: KW*
*Last updated: 2026-01-27*