---
product_id: 638457124
title: "HXJNLDC DC 3.7V 1200mAh 103035 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: "11572 Ft"
currency: HUF
in_stock: true
reviews_count: 4
category: "Hxjnldc"
url: https://www.desertcart.hu/products/638457124-hxjnldc-dc-3-7v-1200mah-103035-rechargeable-lithium-polymer-battery
store_origin: HU
region: Hungary
---

# 3.7V nominal voltage, 4.2V full charge 1200mAh high capacity Built-in multi-protection IC HXJNLDC DC 3.7V 1200mAh 103035 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:** 11572 Ft
**Availability:** ✅ In Stock

## Summary

> 🔋 Power up your DIY game with smart, safe, and sleek energy!

## Quick Answers

- **What is this?** HXJNLDC DC 3.7V 1200mAh 103035 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?** 11572 Ft with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hu](https://www.desertcart.hu/products/638457124-hxjnldc-dc-3-7v-1200mah-103035-rechargeable-lithium-polymer-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 36×30×10mm design fits tight spaces without compromising power.
- • **Plug & Play Flexibility:** Built-in 2-wire JST connector with heat-shrink sleeve for easy, secure battery replacement.
- • **Smart Safety Tech Inside:** Japanese Seiko IC prevents overcharge, overdischarge, and short circuits for worry-free use.
- • **Backed by a Year of Assurance:** 1-year quality guarantee with responsive customer support for peace of mind.
- • **Power Your DIY Projects with Confidence:** Reliable 1200mAh capacity fuels your 3.7-5V electronics seamlessly.

## Overview

The HXJNLDC 3.7V 1200mAh rechargeable lithium polymer battery offers a compact 36×30×10mm form factor with a robust 4.44Wh capacity. Designed for DIY electronics operating between 3.7-5V, it features a built-in 2-wire JST connector and advanced Japanese Seiko IC protection against overcharge, overdischarge, overcurrent, and short circuits. Lightweight at 19.4g, it ensures reliable, safe power delivery with a 1-year warranty for quality assurance.

## Description

Buy HXJNLDC DC 3.7V 1200mAh 103035 Rechargeable Lithium Polymer Battery, Suitable for DIY 3.7-5V Electronic Products with Built-in 2-Wire Battery Replacement and LED Lights online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase.

Review: Finalmente
Review: Funcionou adequadamente

## Features

- This battery is suitable for DIY electronic products with 3.7-5V and less than 4.44Wh 1200mAh 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.
- 103035 rechargeable lithium ion polymer battery, nominal voltage 3.7V, full charge voltage 4.2V, capacity 1200mAh, power 4.44Wh, ★size 36×30×10mm(1.4×1.181×0.394inch）(L*W*T), Weight:19.4g(0.685oz)，Maximum current:1.2A。 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 1.25mm ★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 | B0D5HMZP9Z |
| Best Sellers Rank | #18,230 in Electronics ( See Top 100 in Electronics ) #183 in Rechargeable Household Batteries |
| Country of origin | China |
| Manufacturer | HXJN |
| Product Dimensions | 3.6 x 3 x 1 cm; 19.4 g |

## Product Details

- **Battery capacity:** 1200 Milliamp Hours
- **Battery cell composition:** Lithium Polymer
- **Brand:** HXJNLDC
- **Number of batteries:** 1 C batteries required.
- **Recommended uses for product:** Watch

## Images

![HXJNLDC DC 3.7V 1200mAh 103035 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/71pLgE5-jSL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by G***E on 20 November 2025*

Finalmente

### ⭐⭐⭐⭐⭐ Review
*by A***O on 11 October 2025*

Funcionou adequadamente

### ⭐⭐⭐⭐⭐ Review
*by C***E on 11 September 2025*

Prodotto fatto molto bene

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.hu/products/638457124-hxjnldc-dc-3-7v-1200mah-103035-rechargeable-lithium-polymer-battery](https://www.desertcart.hu/products/638457124-hxjnldc-dc-3-7v-1200mah-103035-rechargeable-lithium-polymer-battery)

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*Product available on Desertcart Hungary*
*Store origin: HU*
*Last updated: 2026-01-24*