SKU: 18592690787

JBL Battery 400

$120.60 $134.00
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Ships within 48 hours · Estimated delivery Aug 9 - Aug 14

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Description

JBL Battery 400Add to Cart General Features Whats in the box Key Specifications Reviews General Features A great host always has a spare battery Keep the party going twice as long by having a spare JBL Battery 400 on hand. Just insert it into the battery slot in the back of your JBL PartyBox Stage 320 when the first one loses its charge. 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.

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General Features
What’s in the box
Key Specifications
Reviews

General Features

Keep the party going twice as long by having a spare JBL Battery 400 on hand. Just insert it into the battery slot in the back of your JBL PartyBox Stage 320 when the first one loses its charge. 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.

Give yourself the peace of mind that comes from a trustworthy, reliable JBL Battery 400 that’s guaranteed to work with your speaker.

10 minutes fast charge will give your JBL PartyBox Stage 320 and Xtreme 4 an extra 2 hours of playtime.

Just use your JBL PartyBox app to check the health of your JBL PartyBox Stage 320’s current battery. When the Battery State of Health (SOH) reading lets you know it’s time, replacing the battery takes just seconds.

JBL Battery 400 is only compatible with the JBL PartyBox Stage 320 and JBL Xtreme 4 wireless Bluetooth™speaker. Other speakers in the JBL PartyBox series and JBL portable series have different battery requirements.

What’s in the box:

  • 1 x BATTERY400
  • 1 x Quick Start Guide
  • 1 x Safety Instruction and Warranty Card

Key Specifications

  • Model Name: FG4CELL21700G
  • Battery Type: Lithium-ion battery
  • Battery Capacity: 7.2V / 9444mAh, 68Wh
  • Operating temperature: 0 -45 ºc
  • Product Dimension (W x H x D): 93 x 25.1 x 89.5mm / 3.66” x 1.0” x 3.5”
  • Net Weight: 350g / 0.77lbs
  • Packaging Dimension (W x H x D): 110 x 102 x 34mm, 4.33” x 4.02” x 1.38”
  • Gross Weight: 404g / 0.89lbs
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 18592690787

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4.8 ★★★★★
Based on 18 reviews
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Product Reviews
A
Amazon Customer
San Leandro, US
★★★★★ 5
Great for side sleepers
It always seems hard to find the perfect pillow when you’re a side-sleeper. This one is great. It comes compressed so you will want to allow some time for it to fully fluff back up. The cover is soft and smooth. I love that it isn’t overstuffed. It provides gentle support and a lot of comfort. I was worried it may be too warm since it is polyester, but it is very breathable and I have not had any issues with feeling overly warm on it. It fits a standard size pillow case. It’s not overly stuffed like some other pillows I’ve tried that were specifically for side-sleepers. I think this world be a great pillow for any sleeping position, really. I wasn’t expecting to love a pillow this affordable, but it gets the job done and I get a good night of sleep. I’ll be purchasing some more for our guest room.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 10, 2025
J
Jimmylee
Waukegan, US
★★★★★ 5
Incredibly Comfortable and Supportive — My New Favorite Pillow！
I wasn’t expecting to love this pillow as much as I do, but the DIORIS large sleeping pillow really exceeded my expectations. From the first night, I noticed a difference in the way my neck and shoulders felt in the morning—less tension, better alignment, and overall more restful sleep. The fill is just the right balance between plush and supportive. It doesn’t flatten out during the night, which is a problem I’ve had with other pillows, especially those that come overstuffed or too soft. This one holds its shape well but still has that cozy, cloud-like feel when you lay your head on it. I’m a side and back sleeper, and this pillow works beautifully in both positions. It’s also large enough that I don’t feel like I’m falling off it during the night, but not so big that it takes over the whole bed. One suggestion: if you’re picky about loft, you might want to give it a gentle fluff or adjust the fill before your first night. But honestly, I didn’t need to do much—it was pretty much perfect out of the bag. Highly recommended if you're looking for a high-quality, comfortable, and generously sized pillow that supports a great night’s sleep!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2025
B
Bearyjeans
Alexandria, US
★★★★★ 5
Hotel like pillow
These pillows were a pleasant surprise. I bought the set for our guest room but ended up keeping them for our own bed after trying them out. They feel incredibly soft yet still provide enough support to keep my neck from feeling stiff in the morning. I sleep on my side and back, and these work great for both positions. My spouse, who usually runs hot at night, said they stayed cool and breathable. The material feels high quality, and I love that they’re machine washable without losing their shape. They fluffed right back up after drying. If you're looking for that plush hotel-pillow feel with everyday practicality, this set really delivers.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2025
A
Amy Morley
Whiting, US
★★★★★ 4
Very soft, not firm at all
This pillow is very floppy and not firm at all. It is quite large and I was surprised at the size. My dog has taken a liking to it and decided it's now her new dig bed, which is fine by me, because it's really too soft for my liking. If you like soft pillows then this is for you. If you require something with a bit more support then you won't enjoy this pillow.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 11, 2025
R
Ronnie
Massapequa, US
★★★★★ 5
Soft and supportive
I recently purchased the this pillow and I am happy with the quality and comfort it provides. Pillow is soft, plush, and supportive without being too firm. The down alternative fill offers the balance of fluffiness and structure, making them ideal for all sleep positions. Whether I’m sleeping on my back, side, or stomach, these pillows adapt beautifully and keep me comfortable throughout the night. They’re also breathable and skin-friendly, which is a huge plus for anyone with sensitive skin. After using them, I wake up feeling well-rested and free of neck stiffness. I like it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2025

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