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Product details

Description

Keep the Party Going Twice as Long with JBL Battery 400

Never let a dead battery kill the vibe. The JBL Battery 400 (Model: JBLBATTERY400) is an easy-to-replace spare battery pack designed specifically for your JBL PartyBox Stage 320 and JBL Xtreme 4 speakers. When the built-in power runs low, swap in a fresh JBL Battery 400 in seconds and double your playtime instantly.

Engineered with a high-capacity 68Wh Lithium-ion polymer cell, this official JBL accessory guarantees seamless compatibility, built-in protection against overcharging, and peace of mind from JBL's trusted quality. Plus, with quick charging support, a brief 10-minute top-up keeps the music pumping even longer.

Key Features

  • Double Your Playtime: Swap out your depleted battery for a fully charged JBL Battery 400 to extend your event without needing an AC outlet.
  • Seamless Compatibility: Specifically engineered for JBL PartyBox Stage 320 and JBL Xtreme 4 portable speakers.
  • Fast Charge Support: Just 10 minutes of charging in your compatible speaker provides up to 2 extra hours of music playback.
  • Easy 3-Step Swap: Designed with a user-friendly pull tab for effortless, tool-free replacement in under a minute.
  • Official JBL Quality & Safety: Built with over-voltage, temperature, and short-circuit protection to safeguard both your speaker and battery life.
  • JBL PartyBox App Integration: Check battery health, percentage level, and usage status directly within the official JBL PartyBox mobile application.

Technical Specifications

Model Name JBL Battery 400 (JBLBATTERY400)
Battery Type Lithium-ion Polymer
Energy Capacity 68 Wh / 7.2 V / 9444 mAh
Compatible Products JBL PartyBox Stage 320, JBL Xtreme 4
Fast Charge Capability 10 minutes charge = up to 2 hours playtime
Operating Temperature 0°C – 45°C (32°F – 113°F)
Dimensions (W x H x D) 93 x 25.1 x 89.5 mm (3.66" x 0.99" x 3.52")
Net Weight 350 g (0.77 lbs)
FAQs

Which speakers does the JBL Battery 400 fit?

JBL PartyBox Stage 320 and JBL Xtreme 4.

What capacity is it?

68Wh lithium-ion polymer.

How quickly can I swap it?

In seconds, and it supports quick charging.

What customers say

စိတ်ချယုံကြည်စွာလုပ်ဆောင်ပေးတဲ့အတွက်အထူးကျေးဇူးတင် စိတ်ချယုံကြည်စွာလုပ်ဆောင်ပ...

စိတ်ချယုံကြည်စွာလုပ်ဆောင်ပေးတဲ့အတွက်အထူးကျေးဇူးတင်မိပါတယ် ခုချိန်မှာကျွန်တော့်လက်ထဲပစ္ည်းကရောက်ရှိနေပါပြီ ကျေးဇူးပါ အချိန်တိုင်းအားပေးနေလျက်ပါ

AnonymousVerified buyerStore review

Great service and happy with what I ordered I paid on KPay after 8pm and I go...

I paid on KPay after 8pm and I got a call the next morning asking about delivery. I was expecting 2-3 days, so that was fantastic. Not sure why so fast, but amazing

SeanVerified buyerStore review

VERY FAST AND EFFICIENT PROCESS Have ordered 3 products and the process was f...

Have ordered 3 products and the process was fast and smooth. Delivery was also fast

ALTVerified buyerStore review

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စိတ်ချယုံကြည်စွာလုပ်ဆောင်ပေးတဲ့အတွက်အထူးကျေးဇူးတင် စိတ်ချယုံကြည်စွာလုပ်ဆောင်ပ...

စိတ်ချယုံကြည်စွာလုပ်ဆောင်ပေးတဲ့အတွက်အထူးကျေးဇူးတင်မိပါတယ် ခုချိန်မှာကျွန်တော့်လက်ထဲပစ္ည်းကရောက်ရှိနေပါပြီ ကျေးဇူးပါ အချိန်တိုင်းအားပေးနေလျက်ပါ

AnonymousVerified buyerStore review

Great service and happy with what I ordered I paid on KPay after 8pm and I go...

I paid on KPay after 8pm and I got a call the next morning asking about delivery. I was expecting 2-3 days, so that was fantastic. Not sure why so fast, but amazing

SeanVerified buyerStore review

VERY FAST AND EFFICIENT PROCESS Have ordered 3 products and the process was f...

Have ordered 3 products and the process was fast and smooth. Delivery was also fast

ALTVerified buyerStore review

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(၁)ဘယ်ဖုန်းနဲ့မဆိုချိတ်လို့ရလားခင်ဗျ (၂)မြန်မာ font ပါလားခင်ဗျ (၃)သွေးပေါင်ချိန် function ပါလားခင်ဗျ

Aung Htoo MyintStore review

Fast delivery & good response time. Ordered a RAM card from ICT. It's wor...

Ordered a RAM card from ICT. It's working well. I couldn't find the same card in other stores online. The price was a bit expensive as USD rates were high when I made the purchase. Will purchase again if I need other things. 5/5. Do you also sell Android ...

AnonymousVerified buyerStore review

Oraimo Rover BT Speaker Product quality and price are suitable for the user.

Product quality and price are suitable for the user.

Khant Lu BoVerified buyerStore review

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Soe WinVerified buyerStore review

May you always be successful. Everything is fine. Thank you very much. The m...

Everything is fine. Thank you very much. The materials are also reliable. It doesn't take long.

M.A.Store review

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