---
product_id: 243137219
title: "3500mAh High Capacity Replacement Battery for Jawbone Big Jambox Wireless Bluetooth Speaker"
brand: "rapthor"
price: "€ 64.76"
currency: EUR
in_stock: true
category: "Rapthor"
url: https://www.desertcart.be/products/243137219-3500mah-high-capacity-replacement-battery-for-jawbone-big-jambox-wireless
store_origin: BE
region: Belgium
---

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

**Brand:** rapthor
**Price:** € 64.76
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** 3500mAh High Capacity Replacement Battery for Jawbone Big Jambox Wireless Bluetooth Speaker by rapthor
- **How much does it cost?** € 64.76 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/243137219-3500mah-high-capacity-replacement-battery-for-jawbone-big-jambox-wireless)

## 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

- • **Perfect Fit:** Specifically designed for Jawbone Big Jambox J2011-03-US model
- • **Certified Safe:** RoHS & CE certified with built-in voltage & delay circuits for stability
- • **Power Up Longer:** 25% more capacity than original for marathon listening sessions
- • **Reliable Warranty:** 12-month coverage plus 30-day money-back guarantee for peace of mind
- • **Plug & Play Upgrade:** Easy DIY installation with included screwdriver and clear manual

## Overview

This Rapthor 3500mAh lithium-ion replacement battery boosts your Jawbone Big Jambox speaker’s runtime by 25%, delivering stable 11.1V power with built-in safety circuits. Certified RoHS and CE compliant, it comes with a free screwdriver and easy-to-follow instructions for hassle-free installation. Backed by a 12-month warranty and 30-day return policy, it’s the ultimate upgrade to keep your wireless beats alive and thriving.

## 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.

## 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 Composition | Lithium Ion |
| Battery Cell Type | Lithium Ion |
| Battery Weight | 16 g |
| Best Sellers Rank | #44,684 in Electronics ( See Top 100 in Electronics ) #1,037 in Portable Bluetooth Speakers |
| Brand | rapthor |
| Customer Reviews | 4.6 out of 5 stars 213 Reviews |
| Included Components | 1 x replacement battery, 1 x user manual |
| Item Dimensions | 8.5 x 2.7 x 1.1 inches |
| 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) |
| Recommended Uses For Product | Compatible with Jawbone Big Jambox Bluetooth Speaker |
| 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

![3500mAh High Capacity Replacement Battery for Jawbone Big Jambox Wireless Bluetooth Speaker - Image 1](https://m.media-amazon.com/images/I/61Qx9Gztg-L.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

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**Shop now:** [https://www.desertcart.be/products/243137219-3500mah-high-capacity-replacement-battery-for-jawbone-big-jambox-wireless](https://www.desertcart.be/products/243137219-3500mah-high-capacity-replacement-battery-for-jawbone-big-jambox-wireless)

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*Product available on Desertcart Belgium*
*Store origin: BE*
*Last updated: 2026-10-24*