---
product_id: 345728744
title: "DC 3.7V 1600mAh 103048 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: "€ 61.53"
currency: EUR
in_stock: true
category: "Hxjnldc"
url: https://www.desertcart.hr/products/345728744-dc-3-7v-1600mah-103048-rechargeable-lithium-polymer-battery-suitable
store_origin: HR
region: Croatia
---

# 3.7V nominal voltage with 4.2V full charge 1200mAh high-capacity power Built-in overcharge & short circuit protection DC 3.7V 1600mAh 103048 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:** € 61.53
**Availability:** ✅ In Stock

## Summary

> 🔋 Power your premium sound experience — don’t let battery life hold you back!

## Quick Answers

- **What is this?** DC 3.7V 1600mAh 103048 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?** € 61.53 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/345728744-dc-3-7v-1600mah-103048-rechargeable-lithium-polymer-battery-suitable)

## 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

- • **Power Up Your Sound:** 1200mAh Li-Polymer battery ensures extended playback for your Sony wireless headphones.
- • **Lightweight & Compact:** Slim 40x39x6mm design weighing just 21g keeps your headphones sleek and portable.
- • **Safe & Smart Charging:** Integrated Japanese Seiko IC protects against overcharge, overdischarge, and short circuits for peace of mind.
- • **DIY Friendly Connector:** Includes heat shrinkable insulating sleeve for easy wire soldering and connector customization.
- • **Precision Fit for Sony:** Custom replacement compatible with WH-1000XM3, XM4, XB900N, H910N, and CH710N models.

## Overview

This 3.7V 1200mAh Li-Polymer replacement battery is designed specifically for Sony WH-1000XM3, WH-1000XM4, WH-XB900N, WH-H910N, and WH-CH710N wireless noise-canceling headphones. Featuring a compact 40x39x6mm form factor and weighing only 21 grams, it delivers reliable power with built-in Japanese Seiko IC protection against overcharge, overdischarge, and short circuits. Ideal for DIY enthusiasts, it supports connector customization with included heat shrinkable sleeves, ensuring a perfect fit and safe operation. Backed by a 1-year warranty, it’s the smart upgrade to keep your premium audio gear performing at its best.

## Description

Free delivery and returns on eligible orders. Buy DC 3.7V 1600mAh 103048 Rechargeable Lithium Polymer Battery, Suitable for DIY 3.7-5V Electronic Products with Built-in 2-Wire Battery Replacement and LED Lights at desertcart UK.

## Features

- This battery is suitable for DIY electronic products with 3.7-5V and less than 5.92Wh 1600mAh built-in 2-wire battery replacement.（★ Not applicable to high-power electric tools and model aircraft）
- Please note that the specifications and polarity of the connector are based on the product display image,★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.
- 103048 rechargeable lithium ion polymer battery, nominal voltage 3.7V, full charge voltage 4.2V, capacity 1600mAh, power 5.92Wh, ★size 49×30×10mm(1.929×1.181×0.393inch）(L*W*T), Weight:27.6g(0.97oz)，Maximum current:1.6A。 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 are any quality issues within a year, ★please feel free to contact us via email for replacement.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B091XYZ2V3 |
| Amperage | 1.6 Amps |
| Antenna Location | Camera,Gps,Radio,Speaker,Speakers,Toys,Watch |
| Battery Capacity | 1600 milliamp_hours |
| Battery Cell Type | Lithium Polymer |
| Battery Weight | 27.6 Grams |
| Best Sellers Rank | 622 in Mobile Phone Replacement Batteries |
| Brand Name | HXJNLDC |
| Country of Origin | China |
| Customer Reviews | 4.3 4.3 out of 5 stars (2,823) |
| Item Dimensions | 49 x 30 x 10 millimetres |
| Item Weight | 27.6 Grams |
| Manufacturer | HXJN |
| Model Name | -,ion,lithium |
| Model Number | 103048 |
| Number of Batteries | 1 C batteries required. (included) |
| Product Warranty | 1 |
| Reusability | Rechargeable |
| UPC | 723258289958 |
| Unit Count | 1.0 count |
| Voltage | 3.7 Volts (DC) |

## Product Details

- **Battery capacity:** 1600 milliamp_hours
- **Battery cell composition:** Lithium Polymer
- **Brand:** HXJNLDC
- **Number of batteries:** 1 C batteries required. (included)
- **Recommended uses for product:** Camera,Gps,Radio,Speaker,Speakers,Toys,Watch

## Images

![DC 3.7V 1600mAh 103048 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/616-wodHztL.jpg)

## Available Options

This product comes in different **Color** options.

## Questions & Answers

**Q: does this fit a sony wh-900N headphones?**
A: Hello, I'm not sure. I need to compare it with the primary battery.

## Frequently Bought Together

- HXJNLDC 3.7V 1200mah Li-Polymer Battery Replacement for Sony WH-1000XM3、WH-1000XM4、WH-XB900N、WH-H910N、WH-CH710N Bluetooth Wireless Noise canceling Stereo Headset SM-03 SP 624038
- Komsunma Receiver Replacement for Sony WH1000XM4 - USB Type C Port, Tools Included
- WC Wicked Cushions Extra Thick Earpads for Sony WH1000XM4 Headphones - Soft PU Leather Cushions, Luxurious Noise Isolating Memory Foam, Added Thickness Without Disabling On/Off Sensor | Black

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**Shop now:** [https://www.desertcart.hr/products/345728744-dc-3-7v-1600mah-103048-rechargeable-lithium-polymer-battery-suitable](https://www.desertcart.hr/products/345728744-dc-3-7v-1600mah-103048-rechargeable-lithium-polymer-battery-suitable)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-10-10*