---
product_id: 243137219
title: "rapthor 3500mAh High Capacity Replacement Battery for Jawbone Big Jambox Wireless Bluetooth Speaker"
brand: "rapthor"
price: "฿3223"
currency: THB
in_stock: true
reviews_count: 8
category: "Rapthor"
url: https://www.desertcart.co.th/products/243137219-rapthor-3500mah-high-capacity-replacement-battery-for-jawbone-big-jambox
store_origin: TH
region: Thailand
---

# 11.1V Stable Voltage 3500mAh High Capacity Includes Free Screwdriver Tool rapthor 3500mAh High Capacity Replacement Battery for Jawbone Big Jambox Wireless Bluetooth Speaker

**Brand:** rapthor
**Price:** ฿3223
**Availability:** ✅ In Stock

## Summary

> 🔋 Recharge your vibe, don’t miss a beat!

## Quick Answers

- **What is this?** rapthor 3500mAh High Capacity Replacement Battery for Jawbone Big Jambox Wireless Bluetooth Speaker by rapthor
- **How much does it cost?** ฿3223 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/243137219-rapthor-3500mah-high-capacity-replacement-battery-for-jawbone-big-jambox)

## Best For

- rapthor enthusiasts

## Why This Product

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

## Key Features

- • **Safe & Sound:** Built-in voltage detection and delay circuits ensure stable, reliable performance every time.
- • **Power Up Longer:** 25% more capacity than original battery means extended playtime for your Big Jambox.
- • **Certified Quality:** RoHS & CE certified for peace of mind and eco-friendly power.
- • **Plug & Play Upgrade:** Easy DIY installation with included screwdriver and clear instructions—no tech expert needed.
- • **Backed by Confidence:** 12-month warranty and 30-day money-back guarantee keep you covered.

## Overview

The Rapthor 3500mAh Lithium-ion replacement battery is designed specifically for the Jawbone Big Jambox J2011-03-US Bluetooth speaker, offering 25% more capacity than the original. Featuring built-in voltage and delay circuits for stable performance, it comes with a free screwdriver tool and easy-to-follow instructions for hassle-free installation. Certified RoHS and CE compliant, it includes a 12-month warranty and 30-day money-back guarantee, making it the ultimate power upgrade to keep your speaker going strong.

## Description

Rapthor Brand New and High Quality Replacement Battery for Jawbone Big Jambox Wireless Bluetooth Speaker J2011-03-US Specifications: Battery Type: Li-ion Condition: Brand New Product Type: Replacement Battery Voltage: 11.1V Capacity: 3500mAh Dimension: Diameter 22.3mm, Length 200mm( not include the connection cable) Warranty: 12 months Compatible With: Big jambox speaker J2011-03-US Package Included: 1 pc Rapthor replacement battery( speaker not included) 1 free screwdriver tool Customer Service: We provide 30-day money back and 12-month warranty If you are not 100% satisfied with our product ,please feel free to contact us. NOTE: Please check your battery part number or item model to ensure you are getting the correct battery.

Review: Works Amazingly! - My new Rapthor 3500mAh battery arrived well packaged and undamaged. Included with the new battery was a T6 Torx driver, a small plastic prying tool, and a small instruction booklet. I read previous reviews before attempting to change the battery. Under the suggestion of several reviewers, I chose to use my own T6 Torx driver as a number of reviews indicated the T6 Torx driver included with the battery was of cheap quality and had a tendency to strip the heads of the screws. I used a Craftsman T6 Torx driver which worked perfectly! I tried using the small plastic prying tool that came with the battery, but like many other reviewers, I decided to use a butter knife or other sturdy, thin item as my prying tool. The instruction booklet is small and the print and pictures are very tiny, but I was able to make out the pictures and read all print. You may want to take pictures of the booklet information and magnify that information if you are having difficulty with the small type. Overall the instructions are well written and easy to follow. I highly suggest you read through the instructions at least a couple times before attempting to actually replace the battery. This will help you to fully understand each step of the replacement process. I also took pictures, prior to disassembly, of each step. This may come in handy during reassembly or if you happen to wonder where a particular piece belongs. The first step is to pry off the end caps of the speaker. This is where the prying tool comes in handy (or your butter knife or other small, flat tool). It does take a some force to "pop" off the caps. I loosened the cap by running my prying tool all the way around all 4 sides of the cap before using more force to actually "pop" off the cap. Once both side caps were off the speaker, you then have to remove the the Torx screws with the T6 Torx driver. The screws are tightly screwed in place, so don't be surprised if you have to use some force to remove them. You will notice they are screwed into a plastic casing. The only issue I had with the screws and plastic casing was when I removed the screws holding the grounding plate in place. One of the plastic casings holding the grounding screws crumbled, but I attribute this to the age of my speaker (it is over 10 years old) and plastic has a tendency to become brittle with age. This will not affect the functioning of your speaker should you encounter the same problem. The rest of the disassembly went well. I suggest you have some needle nose pliers handy as removing the plastic power clip (the one that has the red and black wires) is a little tricky since the clip is positioned just below the level of the circuit board. The needle nose pliers made removal and replacement a breeze! Prior to removing the red and black wires attached to the plastic clip, make note of how the original red and black wires are positioned on the plastic (note how they are positioned around the plastic prongs). You want to be sure the wires are not "pinched" when you reassemble your speaker. I used double-sided sticky tape to hold my wires in place so they would not move during reassembly. I also used the double-sided sticky tape to hold my new battery in place (you will note that the old battery had sticky tape holding it in position). The tape will help keep your new battery in place while you are reassembling the case. Once the battery was replaced, I just reversed all the steps to reassemble the speaker. My new battery came 75% fully charged, so I was able to test it immediately. It worked GREAT! I let it fully charge and it has been working perfectly ever since. Prior to battery replacement, my speaker would not hold a charge....the old battery was completely dead. I could only run my speaker off the power cord. Now that I have my new battery in place, I have run my speaker for about 6 hours of continuous use and my battery level is still nearly fully charged! I HIGHLY recommend this battery! Packaging of Product Upon Arrival: EXCELLENT! Quality of product: EXCELLENT! Ease of Battery Replacement: GOOD (There is considerable disassembly and this may intimidate some individuals) Instructions: GOOD (The instruction booklet is small and the pictures and print may be difficult for some to clearly view) Overall, I am VERY satisfied with this product. My speaker is holding a charge like it did when it was new! RDM
Review: Works great - So far the battery is performing great. Fast delivery. Fairly easy to install and had directions included.

## Features

- Type: Lithium ion. Capacity: 3500mAh, increased 25% capacity than the original. RoHS and CE Certificated.
- Designed for: Big Jambox speaker J2011-03-US.
- Safety: Built in high-precision voltage detection circuit and delay circuit, make sure the battery run stable and perfectly.
- You Can Get: 1 pc Rapthor replacement battery( speaker not included) and free screwdriver tool
- Easy to Install: follow the user manual instruction and complete the install by simple several steps

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08JLMWBMN |
| Antenna Location | Compatible with Jawbone Big Jambox Bluetooth Speaker |
| Battery Capacity | 3500 Milliamp Hours |
| Battery Cell Type | Lithium Ion |
| Battery Weight | 16 Grams |
| Best Sellers Rank | #125,229 in Electronics ( See Top 100 in Electronics ) #2,558 in Portable Bluetooth Speakers |
| Brand | rapthor |
| Built-In Media | 1 x replacement battery, 1 x user manual |
| Customer Reviews | 4.6 4.6 out of 5 stars (207) |
| Item Dimensions | 8.5 x 2.7 x 1.1 inches |
| Item Weight | 6.4 ounces |
| Manufacturer | MSW (Shenzhen) Technology Limited |
| Model Name | Replacement Battery for Jawbone Big Jambox Wireless Bluetooth Speaker |
| Model Number | GFS4290 |
| Number of Batteries | 3 Lithium Ion batteries required. (included) |
| Reusability | Rechargeable |
| UPC | 788493662966 |
| Unit Count | 1 Count |
| Voltage | 11.1 Volts |
| Warranty Description | 1 Year Warranty for any Quality Problem |

## Product Details

- **Battery Capacity:** 3500 Milliamp Hours
- **Battery Cell Composition:** Lithium Ion
- **Brand:** rapthor
- **Number of Batteries:** 3 Lithium Ion batteries required. (included)
- **Recommended Uses For Product:** Compatible with Jawbone Big Jambox Bluetooth Speaker

## Images

![rapthor 3500mAh High Capacity Replacement Battery for Jawbone Big Jambox Wireless Bluetooth Speaker - Image 1](https://m.media-amazon.com/images/I/61Qx9Gztg-L.jpg)
![rapthor 3500mAh High Capacity Replacement Battery for Jawbone Big Jambox Wireless Bluetooth Speaker - Image 2](https://m.media-amazon.com/images/I/61KvcjLHikL.jpg)
![rapthor 3500mAh High Capacity Replacement Battery for Jawbone Big Jambox Wireless Bluetooth Speaker - Image 3](https://m.media-amazon.com/images/I/81Xr-6NRV6L.jpg)
![rapthor 3500mAh High Capacity Replacement Battery for Jawbone Big Jambox Wireless Bluetooth Speaker - Image 4](https://m.media-amazon.com/images/I/71j2d0AOvCL.jpg)
![rapthor 3500mAh High Capacity Replacement Battery for Jawbone Big Jambox Wireless Bluetooth Speaker - Image 5](https://m.media-amazon.com/images/I/81JOuTEQetL.jpg)

## Questions & Answers

**Q: My model # says J2011, no extra numbers. What do you think? Should it work?**
A: This worked for me with the same J2011 model

**Q: My model is J2-011. Will this work?**
A: I have the same model and it worked for me.

**Q: How long does it take to charge the battery ?**
A: My battery came 40% charged but it took maybe 3 hrs to fully charge the battery I highly recommend this instead of buying a new speaker works great

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works Amazingly!
*by M***Y on May 22, 2022*

My new Rapthor 3500mAh battery arrived well packaged and undamaged. Included with the new battery was a T6 Torx driver, a small plastic prying tool, and a small instruction booklet. I read previous reviews before attempting to change the battery. Under the suggestion of several reviewers, I chose to use my own T6 Torx driver as a number of reviews indicated the T6 Torx driver included with the battery was of cheap quality and had a tendency to strip the heads of the screws. I used a Craftsman T6 Torx driver which worked perfectly! I tried using the small plastic prying tool that came with the battery, but like many other reviewers, I decided to use a butter knife or other sturdy, thin item as my prying tool. The instruction booklet is small and the print and pictures are very tiny, but I was able to make out the pictures and read all print. You may want to take pictures of the booklet information and magnify that information if you are having difficulty with the small type. Overall the instructions are well written and easy to follow. I highly suggest you read through the instructions at least a couple times before attempting to actually replace the battery. This will help you to fully understand each step of the replacement process. I also took pictures, prior to disassembly, of each step. This may come in handy during reassembly or if you happen to wonder where a particular piece belongs. The first step is to pry off the end caps of the speaker. This is where the prying tool comes in handy (or your butter knife or other small, flat tool). It does take a some force to "pop" off the caps. I loosened the cap by running my prying tool all the way around all 4 sides of the cap before using more force to actually "pop" off the cap. Once both side caps were off the speaker, you then have to remove the the Torx screws with the T6 Torx driver. The screws are tightly screwed in place, so don't be surprised if you have to use some force to remove them. You will notice they are screwed into a plastic casing. The only issue I had with the screws and plastic casing was when I removed the screws holding the grounding plate in place. One of the plastic casings holding the grounding screws crumbled, but I attribute this to the age of my speaker (it is over 10 years old) and plastic has a tendency to become brittle with age. This will not affect the functioning of your speaker should you encounter the same problem. The rest of the disassembly went well. I suggest you have some needle nose pliers handy as removing the plastic power clip (the one that has the red and black wires) is a little tricky since the clip is positioned just below the level of the circuit board. The needle nose pliers made removal and replacement a breeze! Prior to removing the red and black wires attached to the plastic clip, make note of how the original red and black wires are positioned on the plastic (note how they are positioned around the plastic prongs). You want to be sure the wires are not "pinched" when you reassemble your speaker. I used double-sided sticky tape to hold my wires in place so they would not move during reassembly. I also used the double-sided sticky tape to hold my new battery in place (you will note that the old battery had sticky tape holding it in position). The tape will help keep your new battery in place while you are reassembling the case. Once the battery was replaced, I just reversed all the steps to reassemble the speaker. My new battery came 75% fully charged, so I was able to test it immediately. It worked GREAT! I let it fully charge and it has been working perfectly ever since. Prior to battery replacement, my speaker would not hold a charge....the old battery was completely dead. I could only run my speaker off the power cord. Now that I have my new battery in place, I have run my speaker for about 6 hours of continuous use and my battery level is still nearly fully charged! I HIGHLY recommend this battery! Packaging of Product Upon Arrival: EXCELLENT! Quality of product: EXCELLENT! Ease of Battery Replacement: GOOD (There is considerable disassembly and this may intimidate some individuals) Instructions: GOOD (The instruction booklet is small and the pictures and print may be difficult for some to clearly view) Overall, I am VERY satisfied with this product. My speaker is holding a charge like it did when it was new! RDM

### ⭐⭐⭐⭐⭐ Works great
*by F***T on March 11, 2026*

So far the battery is performing great. Fast delivery. Fairly easy to install and had directions included.

### ⭐⭐⭐⭐⭐ Great replacement
*by S***E on December 9, 2025*

Great replacement option, holds charge great!

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-04-25*