---
product_id: 693742107
title: "HKN 3.7v 4000mAh Lithium ion Rechargeable Battery with 2.0Pin JST-PH JST 2.0/2P Plug for Electronics, Toys, Lighting, Equipment, Bluetooth Speaker Other Products. (4000, Milliamps)"
brand: "hkn enterprises"
price: "62 Lei"
currency: RON
in_stock: true
reviews_count: 2
category: "Hkn Enterprises"
url: https://www.desertcart.ro/products/693742107-hkn-3-7v-4000mah-lithium-ion-rechargeable-battery-with-2
store_origin: RO
region: Romania
---

# 4000mAh High Capacity 2.0Pin JST-PH Plug Wide Temp Range -20°C to 40°C HKN 3.7v 4000mAh Lithium ion Rechargeable Battery with 2.0Pin JST-PH JST 2.0/2P Plug for Electronics, Toys, Lighting, Equipment, Bluetooth Speaker Other Products. (4000, Milliamps)

**Brand:** hkn enterprises
**Price:** 62 Lei
**Availability:** ✅ In Stock

## Summary

> 🔋 Power up your gear, stay unstoppable!

## Quick Answers

- **What is this?** HKN 3.7v 4000mAh Lithium ion Rechargeable Battery with 2.0Pin JST-PH JST 2.0/2P Plug for Electronics, Toys, Lighting, Equipment, Bluetooth Speaker Other Products. (4000, Milliamps) by hkn enterprises
- **How much does it cost?** 62 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/693742107-hkn-3-7v-4000mah-lithium-ion-rechargeable-battery-with-2)

## Best For

- hkn enterprises enthusiasts

## Why This Product

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

## Key Features

- • **Smart Safety Inside:** Integrated BMS chip protects against overcharge, short circuit, and overheating for worry-free use.
- • **Lightweight & Compact:** At just 104g and 68x38x20mm, it’s easy to carry and install without bulk.
- • **Plug & Play Versatility:** Universal 2.0Pin JST-PH connector fits a broad range of electronics from toys to Bluetooth speakers.
- • **Power That Lasts All Day:** 4000mAh capacity ensures extended device runtime without constant recharging.
- • **Built to Brave the Elements:** Operates reliably in extreme temperatures from -20°C to 40°C for all your outdoor adventures.

## Overview

The HKN 3.7V 4000mAh Lithium-ion rechargeable battery combines high capacity with smart safety features and wide device compatibility. Its compact, lightweight design and robust temperature tolerance make it ideal for powering electronics, toys, lighting, and Bluetooth speakers reliably over long periods. Certified and built to last up to 1000 recharge cycles, it’s the go-to power source for professionals and hobbyists seeking dependable, portable energy.

## Description

Power Your Devices with Long-Lasting Dependability: HKN 5200, 4400, 4000mAh 3.7V Lithium Ion Battery Pack Discover the ultimate in portable power solutions with theHKN 5200, 4400, 4000mAh 3.7V Lithium Ion Battery Pack. Engineered to meet the demands of today’s electronics, this rechargeable battery pack is designed to deliver reliable performance across various applications. Reliable and Efficient Design The HKN 5200mAh battery pack features a robust construction combined with advanced lithium ion technology. It offers a capacity of 5200, 4400, 4000mAh, ensuring ample power to keep your devices running smoothly for extended periods. Whether you’re powering electronic gadgets, toys, lighting systems, equipment, or Bluetooth speakers, this battery pack provides the longevity and reliability you need. Versatile Compatibility Equipped with a 2.0Pin JST-PH JST 2.0/2P Plug, the HKN battery pack ensures compatibility with a wide range of devices and applications. This makes it an ideal choice for hobbyists, DIY enthusiasts, electronics professionals, and manufacturers alike. Whether you’re designing new products or replacing batteries in existing ones, the HKN 5200, 4400, 4000mAh battery pack offers seamless integration and dependable performance. Applications Across Various Industries From consumer electronics to industrial equipment, the HKN 5200, 4400, 4000mAh battery pack proves its versatility. Use it to power electronic gadgets such as remote-controlled devices, drones, and portable gaming consoles. Illuminate your space with confidence using this battery in LED lighting systems and emergency lights. Ensure uninterrupted operation of medical equipment, communication devices, and security systems with the reliability of hkn lithium ion technology. Enhanced Performance and Durability Built for longevity, the HKN 5200, 4400, 4000mAh battery pack is engineered to withstand the rigors of daily use. Its high-quality cells ensure stable voltage output and consistent performance throughout its lifespan. Whether

Review: Good company - Good
Review: Bakwas - Don't buy this product 😭

## Features

- High Capacity-3.7v Li-ion rechargeable battery, which can make your device get longer usage time. Port type: JST-XHP-2 , cable length 3.87 inch, size: 68 * 38 * 20 mm, weight only 104 g, easy to carry.
- Wide Compatibility-Compatible with speaker/ walkie talkie/ X6 transmitter/ bluetooth boom box/ portable DVD player/ remote control toys/ outdoor lights and Bluetooth speakers, solar outdoor lights, solar cameras, dental lights, etc. After receiving the battery, check whether the position of the red (+) and black (-) wires of the plug is consistent with the old battery. In different positions, you need to adjust the position. If the plug size is different, you can replace the connector so on.
- Low Self-discharge Rate & Long Life Span-Lithium-ion battery has the lowest self-discharge rate among all types of batteries, generally less than 1%/month, less than 1/20 of NiMH battery. long life span, can be recharged up to 1000 times. High and low temperature adaptability, can be used in the environment of -20 ℃ - 40 ℃.
- Smart BMS-Professional battery management system with built-in smart chip provides reliable overcharge, overdischarge, short circuit, overheat, overvoltage, overcurrent multiple safety protection functions, ROHS, CE certified, in line with environmental standards.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DT4BXW2Q |
| Amperage | 4000 Milliamps |
| Antenna Location | speaker/ walkie talkie/ X6 transmitter/ bluetooth boom box/ portable DVD player/ remote control toys/ outdoor lights and Bluetooth speakers, solar outdoor lights, solar cameras, dental lights |
| Battery Capacity | 4000 Milliamp Hours |
| Battery Cell Composition | Lithium Ion |
| Battery Cell Type | Lithium Ion |
| Battery Weight | 104 Grams |
| Box Contents | Only 1*3.7v 4000mAh Lithum-ion Rechargeable Battery |
| Brand | HKN ENTERPRISES |
| Brand Name | HKN ENTERPRISES |
| Compatible Phone Models | speaker/ walkie talkie/ X6 transmitter/ bluetooth boom box/ portable DVD player/ remote control toys/ outdoor lights and Bluetooth speakers, solar outdoor lights, solar cameras, dental lights |
| Country of Origin | India |
| Customer Reviews | 3.6 out of 5 stars 21 Reviews |
| Item Dimensions | 38 x 20 x 68 Millimeters |
| Item Height | 6.8 Centimeters |
| Item Type Name | 3.7v 5200mAh, 4400mAh, 4000mAh Lithium ion Rechargeable Battery |
| Item Weight Unit of Measure | 110 Grams |
| Manufacturer | HKN Enterprises, Meerut |
| Model Name | 3.7v 4000mah Lithium-ion Battery |
| Model Number | HK-3.7-4000 |
| Net Quantity | 1 Count |
| Number of Batteries | 1 Lithium Ion batteries required. (included) |
| Packer Contact Information | HKN Enterprises, 704, Madhavpuram, Sector-1, Meerut, Contact: +919058993443. Support Id: hknmart.cc@gmail.com |
| Recommended Uses For Product | speaker/ walkie talkie/ X6 transmitter/ bluetooth boom box/ portable DVD player/ remote control toys/ outdoor lights and Bluetooth speakers, solar outdoor lights, solar cameras, dental lights Recommended Uses For Product speaker/ walkie talkie/ X6 transmitter/ bluetooth boom box/ portable DVD player/ remote control toys/ outdoor lights and Bluetooth speakers, solar outdoor lights, solar cameras, dental lights See more |
| Reusability | Rechargeable |
| Unit Count | 1 Count |
| Voltage | 3.7 Volts (DC) |
| Warranty Description | 6 Months Warranty |

## Product Details

- **Battery Capacity:** 4000 Milliamp Hours
- **Battery Cell Composition:** Lithium Ion
- **Battery Weight:** 104 Grams
- **Brand:** HKN ENTERPRISES
- **Model Name:** 3.7v 4000mah Lithium-ion Battery
- **Net Quantity:** 1 Count
- **Number of Batteries:** 1 Lithium Ion batteries required. (included)
- **Reusability:** Rechargeable
- **Voltage:** 3.7 Volts (DC)

## Images

![HKN 3.7v 4000mAh Lithium ion Rechargeable Battery with 2.0Pin JST-PH JST 2.0/2P Plug for Electronics, Toys, Lighting, Equipment, Bluetooth Speaker Other Products. (4000, Milliamps) - Image 1](https://m.media-amazon.com/images/I/61RS-6-simL.jpg)

## Available Options

This product comes in different **Amperage** options.

## Customer Reviews

### ⭐⭐⭐⭐ Good company
*by P***R on 6 April 2025*

Good

### ⭐ Bakwas
*by S***A on 20 March 2025*

Don't buy this product 😭

## Frequently Bought Together

- HKN 3.7v 4000mAh Lithium ion Rechargeable Battery with 2.0Pin JST-PH JST 2.0/2P Plug for Electronics, Toys, Lighting, Equipment, Bluetooth Speaker Other Products. (4000, Milliamps)
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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-01-27*