JBL Audio Battery 400 – Swaps Out in Seconds with Charging Case, Keeps PartyBox Going Twice as Long
JBL Battery 400 with Charging Case, for PartyBox, Black
Overall Rating: 2.4 / 5 (average from multiple review sources, as of 8 Jul 2026)
Based on a total of 49,640 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 49,640 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Cheapest Total Price
In stock. Express Delivery available with Amazon Prime.
Direct debit
Direct debit
Visa
Visa
Mastercard
Mastercard
£89.99
Free Delivery
JBL Battery 400 with Charging Case Black
Overall Rating: 2.0 / 5 (average from multiple review sources, as of 9 Jul 2026)
Based on a total of 51 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 51 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Cheapest Total Price
In stock. Order by 3pm for next working day delivery.
Visa
Visa
Mastercard
Mastercard
£89.99
Free Delivery
Jbl Charge & 6 & Portable Bluetooth Speaker With Powerbank, Water/Dust Proof Ip67, Auracast Pink
Overall Rating: 3.9 / 5 (average from multiple review sources, as of 15 Jul 2026)
Based on a total of 205,019 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 205,019 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Check retailer for delivery time
Visa
Visa
Mastercard
Mastercard
£129.00
Delivery from £3.99
Cheapest offer
An easy-to-replace spare battery with charging case An easy-to-replace spare battery with charging case that's compatible with the JBL PartyBox Stage 320, Xtreme 4 portable speaker and more. JBL Battery 400 with charging case swaps out in seconds, so your JBL PartyBox Stage 320 can keep the party going twice as long. It also can replace the rechargeable battery inside a JBL Xtreme 4 portable speaker and more when it starts to degrade. Even the best parties have to end sometime, but your JBL PartyBox Stage 320 can keep the vibe going twice as long with JBL Battery 400. 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. Meanwhile, the battery can recharge in the charging case. You can also charge your tablet or smartphone* with the convenient USB-C port on the case. 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 portable speaker and more when it starts to degrade. (*charging cable not included)
£89.99
In stock. Express Delivery available with Amazon Prime.
amazon.co.uk
🤖 Ask ChatGPT
💡 Is it worth the price?
🔁 Better alternatives?
⭐ What do users say?
JBL Battery 400 with Charging Case, for PartyBox, Black - Details
▶ Finding you the best price!
We have found 3 prices for JBL Battery 400 with Charging Case, for PartyBox, Black. Our price list is completely transparent with the cheapest listed first. Additional delivery costs may apply.
JBL Battery 400 with Charging Case, for PartyBox, Black - Price Information
- Cheapest price: £89.99
- The cheapest price is offered by amazon.co.uk. You can order the product there.
- The price range for the product JBL Battery 400 with Charging Case, for PartyBox, Black is €£89.99to €£129.00 with a total of 3 offers.
- Payment methods: The online shop amazon.co.uk supports: Direct debit, Visa, Mastercard
- Delivery: The shortest delivery time is In stock. Express Delivery available with Amazon Prime. working days offered by amazon.co.uk.
Similar products
JBL Tune 720 BT Wireless Over-Ear Headphones with JBL Pure Bass Sound, Bluetooth 5.3, Hands-Free Calls, Audio Cable and 76-Hour Battery Life, Black
£37.95
Amazon-marketplace.co.uk
Free Delivery
JBL Vibe Flex 2 In-Ear Wireless Bluetooth Earbuds Black with Charging Case 40h Battery Life Smart Ambient Built-in Mic Hands-Free Calls Spill-resistant Audio Sport
£48.45
Amazon-marketplace.co.uk
Free Delivery
Fayerkar 7.4 V 12000 mAh Battery for JBL Bluetooth Audio, Boombox, God of War 1, GSP0931134 01
£35.00
Amazon-marketplace.co.uk
Free Delivery
Don't forget your voucher code:
Report Illegal Concerns
You are about to report a violation based on the EU Digital Services Act (DSA).