---
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: "$21"
currency: NZD
in_stock: true
reviews_count: 2
category: "Hkn Enterprises"
url: https://www.desertcart.nz/products/693742107-hkn-3-7v-4000mah-lithium-ion-rechargeable-battery-with-2
store_origin: NZ
region: New Zealand
---

# 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:** $21
**Availability:** ✅ In Stock

## Summary

> 🔋 Power up your gear with confidence—never miss a beat!

## 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?** $21 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/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:** Advanced BMS chip guards against overcharge, short circuit, and overheating for peace of mind.
- • **Lightweight & Compact:** Just 110g and slim 3.8x2x6.8cm design makes it ultra-portable without bulk.
- • **Plug & Play Versatility:** Universal 2.0Pin JST-PH connector fits a broad range of electronics and toys effortlessly.
- • **Power That Lasts All Day:** 4000mAh capacity delivers extended device runtime—stay unplugged longer.
- • **Built to Brave the Elements:** Operates reliably from -20°C to 40°C—perfect for outdoor and on-the-go use.

## Overview

The HKN 3.7V 4000mAh Lithium-ion rechargeable battery features a high-capacity cell with a 2.0Pin JST-PH plug, compatible with a wide range of electronics including speakers, toys, and lighting. It boasts a low self-discharge rate (<1%/month), a robust operating temperature range (-20°C to 40°C), and a built-in smart battery management system ensuring multiple safety protections. Compact and lightweight, it’s designed for reliable, long-lasting power on the go.

## 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 |
| Batteries | 1 Lithium Ion batteries required. (included) |
| Batteries Included | Yes |
| Batteries Required | No |
| Battery Capacity | 4000 Milliamp Hours |
| Battery cell composition | Lithium Ion |
| Brand | HKN ENTERPRISES |
| Compatible Devices | 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 | 3.7 3.7 out of 5 stars (24) |
| Date First Available | 20 June 2024 |
| Generic Name | 3.7v 5200mAh, 4400mAh, 4000mAh Lithium ion Rechargeable Battery |
| Item Dimensions LxWxH | 38 x 20 x 68 Millimeters |
| Item Weight | 110 g |
| Item model number | HK-3.7-4000 |
| Manufacturer | HKN Enterprises, Meerut |
| Model | HK-3.7-4000 |
| Model Name | 3.7v 4000mah Lithium-ion Battery |
| Mounting Hardware | Only 1*3.7v 4000mAh Lithum-ion Rechargeable Battery |
| Net Quantity | 1 Count |
| Number of items | 1 |
| Packer | HKN Enterprises, 704, Madhavpuram, Sector-1, Meerut, Contact: +919058993443. Support Id: hknmart.cc@gmail.com |
| Product Dimensions | 3.8 x 2 x 6.8 cm; 110 g |
| Voltage | 3.7 Volts (DC) |

## 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)
- Electronic Spices 2600mAh Rechargeable Battery Lithium-ion with Wires and JST Connector Without BMS
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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-03-07*