---
product_id: 503974278
title: "Replacement Battery for Harman Kardon Onyx, 3500mAh LI11B001F Battery for Harman Kardon Onyx Studio 1/2/3/4 Bluetooth Speaker"
brand: "hisewen"
price: "₨13101"
currency: LKR
in_stock: true
reviews_count: 9
category: "Hisewen"
url: https://www.desertcart.lk/products/503974278-replacement-battery-for-harman-kardon-onyx-3500mah-li11b001f-battery-harman
store_origin: LK
region: Sri Lanka
---

# 3.7V Rechargeable Li-ion 3500mAh High Capacity Includes Screwdriver Tool Replacement Battery for Harman Kardon Onyx, 3500mAh LI11B001F Battery for Harman Kardon Onyx Studio 1/2/3/4 Bluetooth Speaker

**Brand:** hisewen
**Price:** ₨13101
**Availability:** ✅ In Stock

## Summary

> 🔋 Power up your vibe—because your music deserves a second wind!

## Quick Answers

- **What is this?** Replacement Battery for Harman Kardon Onyx, 3500mAh LI11B001F Battery for Harman Kardon Onyx Studio 1/2/3/4 Bluetooth Speaker by hisewen
- **How much does it cost?** ₨13101 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/503974278-replacement-battery-for-harman-kardon-onyx-3500mah-li11b001f-battery-harman)

## Best For

- hisewen enthusiasts

## Why This Product

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

## Key Features

- • **DIY Friendly:** Comes with a precision screwdriver tool—replace your battery effortlessly and skip costly repairs.
- • **Safe & Sound:** Built-in multi-protection safeguards against overcharge, overheating, and short circuits for worry-free use.
- • **Power That Lasts:** 3500mAh capacity keeps your Onyx Studio booming longer—never miss a beat.
- • **Eco-Smart Upgrade:** Extend your speaker’s life and reduce electronic waste with this reliable, rechargeable Li-ion battery.
- • **Seamless Compatibility:** Perfectly engineered for Harman Kardon Onyx Studio 1/2/3/4 models—plug & play peace of mind.

## Overview

The Hisewen Replacement Battery (3500mAh, 3.7V Li-ion) is a direct-fit, high-capacity power source for Harman Kardon Onyx Studio 1 through 4 Bluetooth speakers. It includes a screwdriver tool for easy installation and features multiple safety protections, ensuring reliable, long-lasting performance that keeps your premium audio experience uninterrupted.

## Description

Buy Hisewen Replacement Battery for Harman Kardon Onyx, 3500mAh LI11B001F Battery for Harman Kardon Onyx Studio 1/2/3/4 Bluetooth Speaker: Batteries - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Had for more than a year and still working. - Work great on my Harman Kardon Onix 4
Review: Great replacement - This battery kept me from needing to replace the whole speaker. My wife I a music teacher and loves using this speaker. It was easy to replace and definitely worth the purchase.

## Features

- 【Fully Compatiblity】Hisewen HK-OS4 LI11B001F Battery Compatible with Harman Kardon Onyx Studio 4, Onyx Studio 3, Onyx Studio 2, Onyx Studio 1 Wireless Bluetooth Speaker. Battery Part No.:LI11B001F
- 【Battery Specification】 High Capacity: 3500mAh, Voltage: 3.7V. Rechargeable Li-ion battery. Sizes: 2.68*0.67Inch
- 【Screwdriver Tool】This Onyx studio 4 battery comes with screwdriver tool, you can replace the old battery easily. Hisewen is committed to providing thoughtful and attentive service to every customer.
- 【Multiple Protection】Harman kardon replacement battery built in overcurrent, overcharge, overvoltage, overheating, shortcircuit protections, ensure battery safety.
- 【What You Get】1 x Replacement LI11B001F Battery, 1 x Installation Tool Kits. Hisewen battery is a good replacement battery for Harman Kardon Onyx Studio 4/3/2/1

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BFHS9B7V |
| Batteries | 1 Lithium Ion batteries required. (included) |
| Best Sellers Rank | #46,986 in Electronics ( See Top 100 in Electronics ) #484 in Laptop Batteries |
| Customer Reviews | 4.5 4.5 out of 5 stars (103) |
| Date First Available | September 16, 2022 |
| Item Weight | 3.2 ounces |
| Item model number | LI11B001F |
| Manufacturer | Allytec Electronics Co.,Ltd |
| Package Dimensions | 4.61 x 4.06 x 1.06 inches |

## Product Details

- **Battery Capacity:** 3500 Milliamp Hours
- **Battery Cell Composition:** Lithium Ion
- **Brand:** Hisewen
- **Number of Batteries:** 1 Lithium Ion batteries required. (included)
- **Recommended Uses For Product:** Bluetooth Speaker

## Images

![Replacement Battery for Harman Kardon Onyx, 3500mAh LI11B001F Battery for Harman Kardon Onyx Studio 1/2/3/4 Bluetooth Speaker - Image 1](https://m.media-amazon.com/images/I/61krJtwiRZL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Had for more than a year and still working.
*by J***O on December 18, 2025*

Work great on my Harman Kardon Onix 4

### ⭐⭐⭐⭐⭐ Great replacement
*by J***N on September 20, 2025*

This battery kept me from needing to replace the whole speaker. My wife I a music teacher and loves using this speaker. It was easy to replace and definitely worth the purchase.

### ⭐⭐⭐⭐⭐ Happy = perfect fit and youtube how to.
*by V***L on August 2, 2025*

Found a youtube video on how to replace the battery on my harmon kardin studio 4 - and it worked out perfectly. good battery! val

## Frequently Bought Together

- Hisewen 3500mAh Replacement Battery for Harman Kardon Onyx, LI11B001F Battery for Harman Kardon Onyx Studio 1/2/3/4 Bluetooth Speaker
- Charger for Harman Kardon Onyx Studio 8 7 6 5 4 3 2 1 Wireless Bluetooth Speaker 19V 38W AC Fast Power Adapter
- for Harman Kardon Charger Onyx Studio 8 7 6 5 4 3 2 1 Wireless Bluetooth Speaker Replacement Harmon Kardon Charger 19V AC Power Cord Supply【10 FT】 VHBW

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-03-21*