---
product_id: 449427852
title: "DC 3.7V 3000mAh 974058 Rechargeable Lithium Polymer Replacement Battery for DIY 3.7-5V Electronic Products with Built-in 2-Wire Battery Replacement, Mobile Energy Storage Power Supply"
brand: "hxjnldc"
price: "€ 37.46"
currency: EUR
in_stock: true
reviews_count: 8
category: "Hxjnldc"
url: https://www.desertcart.hr/products/449427852-dc-3-7v-3000mah-974058-rechargeable-lithium-polymer-replacement-battery
store_origin: HR
region: Croatia
---

# 3.7V nominal voltage, 4.2V full charge 3000mAh high capacity Built-in overcharge & short circuit protection DC 3.7V 3000mAh 974058 Rechargeable Lithium Polymer Replacement Battery for DIY 3.7-5V Electronic Products with Built-in 2-Wire Battery Replacement, Mobile Energy Storage Power Supply

**Brand:** hxjnldc
**Price:** € 37.46
**Availability:** ✅ In Stock

## Summary

> 🔋 Power up your projects with precision and peace of mind!

## Quick Answers

- **What is this?** DC 3.7V 3000mAh 974058 Rechargeable Lithium Polymer Replacement Battery for DIY 3.7-5V Electronic Products with Built-in 2-Wire Battery Replacement, Mobile Energy Storage Power Supply by hxjnldc
- **How much does it cost?** € 37.46 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/449427852-dc-3-7v-3000mah-974058-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

- • **Compact Yet Mighty:** Slim 9.7×40×59mm size fits seamlessly into tight electronic builds
- • **Safety First, Always:** Advanced Japanese Seiko IC safeguards against overcharge, overcurrent, and short circuits
- • **Plug & Play Flexibility:** Includes genuine JST 2-pin connector with easy wire customization for perfect polarity
- • **Lightweight & Long-Lasting:** Only 63g but delivers steady 3A max current for sustained performance
- • **Power Your DIY Projects with Confidence:** Reliable 3000mAh capacity fuels your 3.7-5V devices effortlessly

## Overview

The HXJNLDC 974058 is a rechargeable 3.7V lithium polymer battery boasting a robust 3000mAh capacity and 11.1Wh power output. Designed for DIY 3.7-5V electronic devices, it features a compact form factor (9.7×40×59mm), lightweight design (63g), and built-in Japanese Seiko IC protection against overcharge, overcurrent, and short circuits. Equipped with a genuine JST 2-pin connector and high-temp silicone cables, it ensures safe, reliable, and customizable power supply for your projects.

## Description

Buy HXJNLDC DC 3.7V 3000mAh 974058 Rechargeable Lithium Polymer Replacement Battery for DIY 3.7-5V Electronic Products with Built-in 2-Wire Battery Replacement, Mobile Energy Storage Power Supply: 3.7V - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Great battery for DIY project - Battery came in a proper package. Straightforward item as ordered. Works exactly as intended.
Review: Recommend, A+ - Works really well for powering mesh nodes

## Features

- This battery is applicable to electronic products with DIY 3.7-5V less than 11.1Wh 3000mAh.（★ Not applicable to high-power electric tools and model aircraft）
- Please compare the connector specifications and polarity according to the display diagram before purchasing,★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.
- 974058 rechargeable lithium ion polymer battery, nominal voltage 3.7V, full charge voltage 4.2V, capacity 3000mAh, power 11.1Wh, ★ size 9.7×40×59mm(0.382×1.574×2.3inch）(T*W*L), Weight:63g(2.22oz)，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 Pitch2.0mm 2-pin 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 | B09YQ393N2 |
| Batteries | 1 C batteries required. (included) |
| Best Sellers Rank | #238,216 in Health & Household ( See Top 100 in Health & Household ) #455 in 3.7V Batteries |
| Customer Reviews | 4.4 4.4 out of 5 stars (63) |
| Date First Available | April 24, 2022 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 1.78 ounces |
| Item model number | 974058 |
| Manufacturer | HXJN |
| Product Dimensions | 2.32 x 1.57 x 0.38 inches |

## Product Details

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

## Images

![DC 3.7V 3000mAh 974058 Rechargeable Lithium Polymer Replacement Battery for DIY 3.7-5V Electronic Products with Built-in 2-Wire Battery Replacement, Mobile Energy Storage Power Supply - Image 1](https://m.media-amazon.com/images/I/61cFmDCl2nL.jpg)
![DC 3.7V 3000mAh 974058 Rechargeable Lithium Polymer Replacement Battery for DIY 3.7-5V Electronic Products with Built-in 2-Wire Battery Replacement, Mobile Energy Storage Power Supply - Image 2](https://m.media-amazon.com/images/I/61a3klQj25L.jpg)
![DC 3.7V 3000mAh 974058 Rechargeable Lithium Polymer Replacement Battery for DIY 3.7-5V Electronic Products with Built-in 2-Wire Battery Replacement, Mobile Energy Storage Power Supply - Image 3](https://m.media-amazon.com/images/I/81jSmvePDIL.jpg)
![DC 3.7V 3000mAh 974058 Rechargeable Lithium Polymer Replacement Battery for DIY 3.7-5V Electronic Products with Built-in 2-Wire Battery Replacement, Mobile Energy Storage Power Supply - Image 4](https://m.media-amazon.com/images/I/81ygEeonPJL.jpg)
![DC 3.7V 3000mAh 974058 Rechargeable Lithium Polymer Replacement Battery for DIY 3.7-5V Electronic Products with Built-in 2-Wire Battery Replacement, Mobile Energy Storage Power Supply - Image 5](https://m.media-amazon.com/images/I/61eIiiU35TL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great battery for DIY project
*by E***E on November 5, 2025*

Battery came in a proper package. Straightforward item as ordered. Works exactly as intended.

### ⭐⭐⭐⭐⭐ Recommend, A+
*by A***R on August 15, 2025*

Works really well for powering mesh nodes

### ⭐⭐ Very cheap and does not work as described
*by D***E on July 4, 2025*

Battery last one month and did not put out said power rating.

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-02-23*