---
product_id: 280590017
title: "3.7V 502030 250mAh Lipo Battery Rechargeable JST 2.0mm 4-Pack"
brand: "eemb"
price: "€ 46.03"
currency: EUR
in_stock: true
reviews_count: 9
category: "Eemb"
url: https://www.desertcart.hr/products/280590017-3-7v-502030-250mah-lipo-battery-rechargeable-jst-2-0mm
store_origin: HR
region: Croatia
---

# 4A max discharge current 250mAh high-density power Built-in PCM safety protection 3.7V 502030 250mAh Lipo Battery Rechargeable JST 2.0mm 4-Pack

**Brand:** eemb
**Price:** € 46.03
**Availability:** ✅ In Stock

## Summary

> 🔋 Power your tech with confidence — small size, big impact!

## Quick Answers

- **What is this?** 3.7V 502030 250mAh Lipo Battery Rechargeable JST 2.0mm 4-Pack by eemb
- **How much does it cost?** € 46.03 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/280590017-3-7v-502030-250mah-lipo-battery-rechargeable-jst-2-0mm)

## Best For

- eemb enthusiasts

## Why This Product

- Trusted eemb brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Safety First:** UL & IEC certified with PCM safeguards for worry-free use
- • **Optimized Storage:** Store at 40%-60% charge to maximize battery lifespan
- • **Compact Powerhouse:** Ultra-slim 20.5×32×5.3mm fits sleek devices seamlessly
- • **Versatile Compatibility:** Perfect for Bluetooth speakers, smart home, GPS & more
- • **Reliable Rechargeability:** 500+ charge cycles keep your gadgets powered longer

## Overview

The EEMB 3.7V 502030 250mAh LiPo Battery 4-Pack offers a compact, lightweight power solution with 500+ recharge cycles and built-in PCM safety features. UL and IEC certified, it’s designed for reliable use in Bluetooth speakers, smart home devices, GPS units, and other portable electronics. Its precise size and connector specs ensure perfect fitment, while optimized storage guidelines extend battery life, making it a must-have for professionals who demand dependable, long-lasting power.

## Description

Buy EEMB 3.7V 502030 250mAh Lipo Battery Rechargeable JST 2.0mm 4-Pack: 3.7V - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Good buy - They work great for the project I used them on
Review: Replaces dead battery - Used these in night lights with motion sensors that came on during power outages so you are not left in the dark Very convenient. You will have to open the light to change the battery but it gives the light a new life.

## Features

- Must Confirm 4 Factors Before Purchase: This 3.7V 250mAh LiPo is NOT universal. Verify: (1) size 20.5×32×5.3mm, (2) connector model, (3) connector pin size, (4) +/- polarity alignment. Wrong polarity = short circuit. Check red/black wires vs your device.
- 250mAh LiPo Performance: Typical 250mAh (min 230mAh), 3.7V, 5g. No leaking, low internal resistance, 500+ cycle life. Reliable rechargeable lithium polymer battery for compact portable electronics.
- PCM Safety and Certifications: Built-in PCM protection against overcharge, over-discharge, over-current, short circuit. UL, IEC62133-2 certified, and UN38.3 compliant for safe air/sea shipping. 400+ EEMB models UL listed – search "MH20555" on UL directory for full details.
- Storage Guide: Keep at 40%-60% charge during long-term storage; recharge every 3 months to maintain 3.7-4.0V. Store in cool & dry place (below 25°C) to maximize lifespan.
- Wide Compatibility: Ideal for Bluetooth speakers, dash cams, keyboards/mice, Wi-Fi smart home, PDA, GPS, digital cameras, e-books, trackers, telematics, sleep monitors, blood oxygen/pULse oximeters, and IoT devices.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08VRZTHDL |
| Amperage | 4 A |
| Antenna Location | Indoor/Outdoor |
| Battery Capacity | 250 |
| Battery Cell Composition | Lithium Polymer |
| Battery Cell Type | Lithium Polymer |
| Battery Weight | 5 g |
| Best Sellers Rank | #115,137 in Health & Household ( See Top 100 in Health & Household ) #45 in 3.7V Batteries |
| Brand | EEMB |
| Compatible Phone Models | VXI Blue Parrott |
| Customer Reviews | 4.4 out of 5 stars 85 Reviews |
| Item Dimensions | 0.81 x 1.26 x 0.21 inches |
| Item Weight | 5 g |
| Manufacturer | EEMB Co.,Ltd |
| Model Name | LP502030 |
| Model Number | LP502030-PCM |
| Number of Batteries | 4 Lithium Polymer batteries required. (included) |
| Recommended Uses For Product | Indoor/Outdoor |
| Reusability | Rechargeable |
| Unit Count | 4 Count |
| Voltage | 3.7 volts |

## Product Details

- **Battery Capacity:** 250
- **Battery Cell Composition:** Lithium Polymer
- **Brand:** EEMB
- **Number of Batteries:** 4 Lithium Polymer batteries required. (included)
- **Recommended Uses For Product:** Indoor/Outdoor

## Images

![3.7V 502030 250mAh Lipo Battery Rechargeable JST 2.0mm 4-Pack - Image 1](https://m.media-amazon.com/images/I/71SNV-WksjL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good buy
*by S***H on June 28, 2026*

They work great for the project I used them on

### ⭐⭐⭐⭐⭐ Replaces dead battery
*by J***N on May 13, 2026*

Used these in night lights with motion sensors that came on during power outages so you are not left in the dark Very convenient. You will have to open the light to change the battery but it gives the light a new life.

### ⭐⭐⭐⭐⭐ Buen precio.
*by A***S on January 22, 2026*

Funciono perfecto y buena calidad.

## Frequently Bought Together

- EEMB Lithium Polymer battery 3.7V 250mAh 502030 Lipo Rechargeable Battery Pack with wire JST Connector for VXI Blue Parrott and MP3 MP4 Speaker-confirm device & connector polarity before purchase(4)
- EEMB Lithium Polymer battery 3.7V 2000mAh 103454 Lipo Rechargeable Battery Pack with wire JST Connector for Bluetooth Speaker and Dashcam-confirm device & connector polarity before purchase
- elechawk 10pcs Upgraded Tiny Whoop JST-PH 2.0 Male and Female Connector Cable for Battery JJRC H36 H67 Blade Inductrix Eachine E010 E013

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**Shop now:** [https://www.desertcart.hr/products/280590017-3-7v-502030-250mah-lipo-battery-rechargeable-jst-2-0mm](https://www.desertcart.hr/products/280590017-3-7v-502030-250mah-lipo-battery-rechargeable-jst-2-0mm)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-08-03*