---
product_id: 449427852
title: "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"
brand: "hxjnldc"
price: "179 Lei"
currency: RON
in_stock: true
url: https://www.desertcart.ro/products/449427852-hxjnldc-dc-3-7v-3000mah-974058-rechargeable-lithium-polymer-replacement
store_origin: RO
region: Romania
---

# 3A max current output 3000mAh high capacity Built-in multi-protection IC 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

**Brand:** hxjnldc
**Price:** 179 Lei
**Availability:** ✅ In Stock

## Summary

> 🔋 Power your passion with precision and protection!

## Quick Answers

- **What is this?** 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 by hxjnldc
- **How much does it cost?** 179 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/449427852-hxjnldc-dc-3-7v-3000mah-974058-rechargeable-lithium-polymer-replacement)

## 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 and lightweight 63g design fits seamlessly into your custom electronics.
- • **Safe & Smart Energy:** Integrated Japanese Seiko IC protects against overcharge, overdischarge, overcurrent, and short circuits.
- • **Plug & Play Flexibility:** Includes genuine JST 2-pin connector and heat shrinkable sleeve for easy, secure wiring.
- • **Confidence in Every Charge:** Backed by a 1-year quality guarantee—because your projects deserve dependable power.
- • **Power Up Your DIY Projects:** Reliable 3.7V lithium polymer battery with 3000mAh capacity for sustained energy.

## Overview

This 3.7V 3000mAh rechargeable lithium polymer battery delivers 11.1Wh of reliable power for DIY electronics operating under 5V. Featuring a compact 974058 form factor, it includes a high-temp silicone cable, JST 2-pin connector, and a Japanese Seiko IC for comprehensive overcharge and short circuit protection. Ideal for hobbyists seeking safe, long-lasting energy solutions with a 1-year warranty for peace of mind.

## Description

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

## 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.

## Product Details

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

## Images

![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 - Image 1](https://m.media-amazon.com/images/I/61cFmDCl2nL.jpg)

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-02-09*