---
product_id: 651370644
title: "Battery 400 swaps out in seconds, so your PartyBox Stage 320/Xtreme 4 can keep the party going twice as long."
brand: "jbl"
price: "6802985₫"
currency: VND
in_stock: true
reviews_count: 9
category: "Jbl"
url: https://www.desertcart.vn/products/651370644-battery-400-swaps-out-in-seconds-so-your-partybox-stage
store_origin: VN
region: Vietnam
---

# Fast swap in seconds App control compatible 18h playtime per battery Battery 400 swaps out in seconds, so your PartyBox Stage 320/Xtreme 4 can keep the party going twice as long.

**Brand:** jbl
**Price:** 6802985₫
**Availability:** ✅ In Stock

## Summary

> 🔋 Keep the party going—because good vibes don’t take breaks!

## Quick Answers

- **What is this?** Battery 400 swaps out in seconds, so your PartyBox Stage 320/Xtreme 4 can keep the party going twice as long. by jbl
- **How much does it cost?** 6802985₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/651370644-battery-400-swaps-out-in-seconds-so-your-partybox-stage)

## Best For

- jbl enthusiasts

## Why This Product

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

## Key Features

- • **Official JBL Quality:** Durable, reliable, and designed specifically for PartyBox Stage 320 and Xtreme 4 for peace of mind.
- • **Seamless Battery Swap:** Replace your battery in seconds—no downtime, no interruptions, just non-stop music.
- • **Smart App Integration:** Control and monitor your battery status effortlessly via the JBL PartyBox app.
- • **Eco-Friendly Packaging:** FSC-certified, soy-ink printed packaging that matches your conscious lifestyle.
- • **Double Your Party Power:** Keep the vibe alive with up to 36 hours of continuous playtime by swapping batteries on the fly.

## Overview

The JBL Battery 400 is a high-capacity, fast-swappable rechargeable battery designed for JBL PartyBox Stage 320 and Xtreme 4 speakers. Delivering up to 18 hours of playtime per battery, it enables up to 36 hours of continuous music when used as a spare. Compatible with the JBL PartyBox app for easy monitoring, it features durable construction and eco-friendly packaging, making it the ultimate power solution for extended parties and events.

## Description

Even the best parties have to end sometime, but your JBL PartyBox Stage 320 can keep the vibe going twice as long by having a spare JBL Battery 400 on hand. When your rechargeable battery is running out of juice, it takes just seconds to pop a fresh battery into the slot on the back panel. Each battery has enough power for up to 18 hours of playtime, which means you could keep the party going for up to 36 hours. Double the great times, and enjoy the peace of mind that comes with an official JBL battery. It also can replace the rechargeable battery inside a JBL Xtreme 4 wireless Bluetooth™speaker when it starts to degrade.Each battery comes in FSC-certified packaging printed with soy ink.

Review: Simplicity - Beautiful equipment
Review: JBL battery - Well received , value for money

## Features

- A great host always has a spare battery
- Durable quality
- Fast charge
- Works with the JBL PartyBox app
- Compatible with JBL PartyBox Stage 320 and Xtreme 4

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D2J6SSQY |
| Antenna Location | For JBL PartyBox Stage 320 and Xtreme 4 speakers |
| Audio Driver Type | Dynamic Driver |
| Audio Output Mode | Stereo |
| Battery Average Life | 36 Hours |
| Battery Capacity | 9.44 Amp Hours |
| Best Sellers Rank | 24,187 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 572 in Rechargeable Household Batteries |
| Box Contents | 1 x BATTERY400, 1 x Safety Instruction and Warranty Card, Quick Start Guide |
| Brand Name | JBL |
| Colour | Black |
| Compatible Devices | Smartphone, tablet, laptop, TV |
| Connectivity Protocol | Bluetooth |
| Control Method | App |
| Controller Type | App Control |
| Country of Origin | China |
| Customer Reviews | 4.8 4.8 out of 5 stars (293) |
| Enclosure Material | Metal |
| Is Waterproof | True |
| Item Dimensions D x W x H | 113D x 34W x 102H millimetres |
| Item Weight | 350 Grams |
| MP3 player | No |
| Manufacturer | JBL |
| Maximum Speaker Output Power (in watts) | 100 Watts |
| Model Name | JBL Battery 400 |
| Model Number | JBLBATTERY400 |
| Mounting Type | Tabletop |
| Network Connectivity Technology | Wired |
| Number of Audio Channels | 1.0 |
| Number of Batteries | 1 Lithium Ion batteries required. |
| Number of Items | 3 |
| Number of Power Levels | 1 |
| Power Source | Battery Powered |
| Product Features | An easy-to-replace spare battery |
| Speaker Size | 113 Millimetres |
| Speaker Type | Battery |
| Specific Uses For Product | Party/Event Environments, Outdoor/Portable Audio Setups |
| Subwoofer Connectivity Technology | Wired |
| UPC | 050036402361 |
| Warranty Type | Limited |
| Water Resistance Level | Not Water Resistant |
| Wireless Technology Type | Bluetooth |

## Product Details

- **Audio output mode:** Stereo
- **Brand:** JBL
- **Connectivity technology:** Wired
- **Material:** Metal
- **Model name:** JBL Battery 400
- **Mounting type:** Tabletop
- **Recommended uses for product:** For JBL PartyBox Stage 320 and Xtreme 4 speakers
- **Speaker maximum output power:** 100 Watts
- **Speaker type:** Battery
- **Special feature:** An easy-to-replace spare battery

## Images

![Battery 400 swaps out in seconds, so your PartyBox Stage 320/Xtreme 4 can keep the party going twice as long. - Image 1](https://m.media-amazon.com/images/I/51uXiQC6CdL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Simplicity
*by S***A on 25 March 2026*

Beautiful equipment

### ⭐⭐⭐⭐⭐ JBL battery
*by G***Y on 9 October 2025*

Well received , value for money

### ⭐⭐⭐⭐⭐ Good battery
*by H***Y on 28 January 2025*

Battery works well with the jbl

## Frequently Bought Together

- JBL Battery 400 swaps out in seconds, so your PartyBox Stage 320/Xtreme 4 can keep the party going twice as long.
- JBL PartyBox Digital Wireless Microphones for JBL PartyBox Speakers with Wireless Dongle, Stable 2.4 GHz Connection and 20-Hour Playtime, Black

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**Shop now:** [https://www.desertcart.vn/products/651370644-battery-400-swaps-out-in-seconds-so-your-partybox-stage](https://www.desertcart.vn/products/651370644-battery-400-swaps-out-in-seconds-so-your-partybox-stage)

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-05-16*