---
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: "€ 38.74"
currency: EUR
in_stock: true
reviews_count: 9
category: "Hxjnldc"
url: https://www.desertcart.fr/products/449427852-dc-3-7v-3000mah-974058-rechargeable-lithium-polymer-replacement-battery
store_origin: FR
region: France
---

# 3A max current output 3000mAh high capacity Built-in multi-protection IC 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:** € 38.74
**Availability:** ✅ In Stock

## Summary

> 🔋 Power up your innovation — never settle for less!

## 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?** € 38.74 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/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 design weighing just 63g, perfect for portable and space-conscious builds
- • **Plug & Play or Custom Fit:** Includes genuine JST 2-pin connector with flexible wiring options for seamless integration
- • **Backed by a Year of Assurance:** 1-year warranty with responsive customer support ensures peace of mind
- • **Stay Safe with Advanced Protection:** Integrated Japanese Seiko IC safeguards against overcharge, overdischarge, overcurrent, and short circuits
- • **Power Your DIY Projects with Confidence:** Reliable 3.7V lithium polymer battery tailored for 3.7-5V devices under 11.1Wh

## Overview

The HXJNLDC 974058 is a rechargeable 3.7V 3000mAh lithium polymer battery designed for DIY electronic projects requiring 3.7-5V power under 11.1Wh. Featuring a compact form factor, a maximum 3A current output, and a built-in Japanese Seiko IC for comprehensive protection, it ensures safe, reliable energy delivery. Equipped with a genuine JST 2-pin connector and flexible wiring options, it fits a variety of devices like GPS units and watches. Supported by a 1-year warranty, this battery is the smart choice for professionals seeking dependable mobile power solutions.

## 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 |
| Amperage | 3 A |
| Antenna Location | GPS, Watch |
| Battery Capacity | 3000 milliamp_hours |
| Battery Cell Composition | Lithium Polymer |
| Battery Cell Type | Lithium Polymer |
| Battery Weight | 45.6 g |
| Best Sellers Rank | #170,969 in Health & Household ( See Top 100 in Health & Household ) #118 in 3.7V Batteries |
| Brand | HXJNLDC |
| Customer Reviews | 4.2 out of 5 stars 83 Reviews |
| Item Dimensions | 2.32 x 1.57 x 0.38 inches |
| Item Weight | 50.6 g |
| Manufacturer | HXJN |
| Model Name | 974058 |
| Model Number | 974058 |
| Number of Batteries | 1 C batteries required. (included) |
| Recommended Uses For Product | GPS, Watch |
| Reusability | Rechargeable |
| UPC | 754525114543 |
| Unit Count | 1 Count |
| Voltage | 3.7 volts_of_direct_current |
| Warranty Description | 1 |

## 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/61Ot-z4QcfL.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

### ⭐⭐ Won't fully charge
*by D***J on June 5, 2026*

Battery doesnt fully charge, only aboutb75% . The old batery wont last 5 minutes. Im sure this will have the same fate in 6 months 👎

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*Product available on Desertcart France*
*Store origin: FR*
*Last updated: 2026-09-03*