---
product_id: 251768480
title: "DC 3.7V 1300mAh 503759 Rechargeable Lithium Polymer Replacement Battery for DIY 3.7-5V Electronic Product, Mobile Energy Storage Power Supply"
brand: "hxjnldc"
price: "223 kr"
currency: DKK
in_stock: true
reviews_count: 11
category: "Hxjnldc"
url: https://www.desertcart.dk/products/251768480-dc-3-7v-1300mah-503759-rechargeable-lithium-polymer-replacement-battery
store_origin: DK
region: Denmark
---

# 3.7V nominal, 4.2V full charge voltage 1300mAh high capacity Built-in multi-protection IC DC 3.7V 1300mAh 503759 Rechargeable Lithium Polymer Replacement Battery for DIY 3.7-5V Electronic Product, Mobile Energy Storage Power Supply

**Brand:** hxjnldc
**Price:** 223 kr
**Availability:** ✅ In Stock

## Summary

> 🔋 Power up your DIY game with confidence and style!

## Quick Answers

- **What is this?** DC 3.7V 1300mAh 503759 Rechargeable Lithium Polymer Replacement Battery for DIY 3.7-5V Electronic Product, Mobile Energy Storage Power Supply by hxjnldc
- **How much does it cost?** 223 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/251768480-dc-3-7v-1300mah-503759-rechargeable-lithium-polymer-replacement-battery)

## 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, Always:** Advanced Japanese Seiko IC protects against overcharge, overdischarge, and short circuits.
- • **Power Your Play & Projects:** Reliable 1300mAh capacity keeps your devices energized longer.
- • **Universal DIY Compatibility:** Perfect replacement for PS3 controllers, dash cams, and any 3.7-5V electronics under 4.81Wh.
- • **Compact & Lightweight Design:** Slim 60×37×5mm size and just 23.1g for seamless DIY integration.
- • **Precision Voltage for Peak Performance:** Optimized 3.7V nominal voltage with 4.2V max charge ensures stable power delivery.

## Overview

This 503759 rechargeable lithium polymer battery delivers a robust 1300mAh capacity at 3.7V nominal voltage, with a full charge voltage of 4.2V. Designed for DIY enthusiasts and compatible with Sony PS3 wireless controllers and dash cams, it features a compact 60×37×5mm form factor and weighs just 23.1g. Equipped with a premium Japanese Seiko IC, it offers comprehensive protection against overcharge, overdischarge, overcurrent, and short circuits, ensuring safe and reliable power supply for your electronic projects.

## Description

desertcart.com: HXJNLDC DC 3.7V 1300mAh 503759 Rechargeable Lithium Polymer Replacement Battery for DIY 3.7-5V Electronic Product, Mobile Energy Storage Power Supply : Health & Household

Review: Great little battery - We bought this battery to fix a battery issue with our digital food scale. My husband was able to install the battery, which is now working perfectly. So glad we found this battery as the scale manufacturer was asking us to mail the scale back to them for them to replace, which would cost a pretty penny.
Review: As expected - So far so good

## Features

- Compatible with SONY Playstation 3 PS3 Wireless Controller CECHZC2E, CECHZC2U Mirror Dash Cam Rear. Also suitable for DIY electronic products with 3.7-5V and less than 4.81Wh 1300mAh 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.
- 503759 rechargeable lithium ion polymer battery, nominal voltage 3.7V, full charge voltage 4.2V, capacity 1300mAh, power 4.81Wh, ★size 60×37×5mm(2.362×1.457×0.197inch）(T*W*L), Weight:23.1g(0.82oz)，Maximum current:1.3A。 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, 3302-26 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 | B08MPLHH32 |
| Batteries | 1 Lithium Polymer batteries required. |
| Best Sellers Rank | #436,054 in Health & Household ( See Top 100 in Health & Household ) #1,361 in 3.7V Batteries |
| Customer Reviews | 4.1 4.1 out of 5 stars (130) |
| Date First Available | November 24, 2020 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 1.07 ounces |
| Item model number | 503759 |
| Manufacturer | HXJN |
| Product Dimensions | 2.36 x 1.46 x 0.2 inches |

## Product Details

- **Battery Capacity:** 1300 Milliamp Hours
- **Battery Cell Composition:** Lithium Polymer
- **Brand:** HXJNLDC
- **Number of Batteries:** 1 Lithium Polymer batteries required.
- **Recommended Uses For Product:** Power Tool

## Images

![DC 3.7V 1300mAh 503759 Rechargeable Lithium Polymer Replacement Battery for DIY 3.7-5V Electronic Product, Mobile Energy Storage Power Supply - Image 1](https://m.media-amazon.com/images/I/41+Ol9SWIRL.jpg)
![DC 3.7V 1300mAh 503759 Rechargeable Lithium Polymer Replacement Battery for DIY 3.7-5V Electronic Product, Mobile Energy Storage Power Supply - Image 2](https://m.media-amazon.com/images/I/61EdKVp+bCL.jpg)
![DC 3.7V 1300mAh 503759 Rechargeable Lithium Polymer Replacement Battery for DIY 3.7-5V Electronic Product, Mobile Energy Storage Power Supply - Image 3](https://m.media-amazon.com/images/I/61K76eLqyeL.jpg)
![DC 3.7V 1300mAh 503759 Rechargeable Lithium Polymer Replacement Battery for DIY 3.7-5V Electronic Product, Mobile Energy Storage Power Supply - Image 4](https://m.media-amazon.com/images/I/61LBh2bq1BL.jpg)
![DC 3.7V 1300mAh 503759 Rechargeable Lithium Polymer Replacement Battery for DIY 3.7-5V Electronic Product, Mobile Energy Storage Power Supply - Image 5](https://m.media-amazon.com/images/I/7106stpNgnL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great little battery
*by L***E on February 15, 2021*

We bought this battery to fix a battery issue with our digital food scale. My husband was able to install the battery, which is now working perfectly. So glad we found this battery as the scale manufacturer was asking us to mail the scale back to them for them to replace, which would cost a pretty penny.

### ⭐⭐⭐⭐⭐ As expected
*by C***Z on August 20, 2023*

So far so good

### ⭐⭐⭐⭐ Product as advertised
*by J***. on January 25, 2023*

Product as advertised

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-02-26*