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Item #:
153544776
Rechargeable Lithium - ion Battery Replacement for Battery 400, Compatible with PartyBox Stage 320 & Xtreme 4 Portable Speakers 10000mAh 7.4V 74Wh
Item #:
153544776
XCD 81
Price Details
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Imported from USA store
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Order now and get it around Wednesday, July 22
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With a 10000mAh high-capacity cell, it delivers up to 18 hours of continuous playtime—keeping the party going for up to 36 hours straight.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
High Capacity
With a powerful 10000mAh capacity, this battery replacement ensures extended playback time for your PartyBox Stage 320 and Xtreme 4 speakers, making it perfect for long events and gatherings.
Perfect Compatibility
Designed specifically for the JBL PartyBox Stage 320 and Xtreme 4, this battery replacement provides a seamless fit and optimal performance, ensuring your speakers operate at their best without any compatibility issues.
Eco-Friendly Choice
Made with rechargeable Lithium-ion technology, this battery not only reduces waste but also offers a reliable power source, benefiting both the environment and your entertainment needs.
Product Details
| Brand | OUWEE |
| Model Number | KB21700 |
| Model Name | KB21700 |
| Manufacturer | Dongguan Mingyiyuan Electronics Co., Ltd. |
| Reusability | Rechargeable |
| Compatible Phone Models | Xtreme 4 |
| Item Weight | 0.66 Pounds (300 grams) |
| Antenna Location | MP3 Player |
| Recommended Uses For Product | MP3 Player |
Dangerous Goods
To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.
Who Should Buy?
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Frequent Travelers
Ideal for users who need portable speakers with long-lasting battery life for travel and outdoor activities.
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Party Organizers
Great for event hosts who require reliable sound systems that last through extended periods of playtime.
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Music Enthusiasts
Perfect for audiophiles who use PartyBox speakers frequently and want to ensure uninterrupted music enjoyment.
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Casual Users
Not suitable for users who rarely use portable speakers and do not need a powerful replacement battery.
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Non-Compatible Speakers
Incompatible with other speaker models outside of PartyBox Stage 320 and Xtreme 4; won't fit other devices.
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Budget Shoppers
May not appeal to those looking for lower-cost alternatives as this product reflects higher quality and capacity.
Product Description
Rechargeable Lithium - ion Battery Replacement for Battery 400, Compatible with PartyBox Stage 320 & Xtreme 4 Portable Speakers 10000mAh 7.4V 74Wh
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What devices are compatible with the Rechargeable Lithium-ion Spare Battery?
Answer: This Rechargeable Lithium-ion Spare Battery is specifically designed as a replacement for the JBL Battery 400, making it compatible with JBL PartyBox Stage 320 and Xtreme 4 portable speakers. It ensures optimal performance and longevity, supporting your needs for powerful sound wherever you go. Whether you're hosting a party or enjoying music at a picnic, this battery keeps your speakers charged, allowing you to focus on enjoying your audio experience without interruptions. -
Question:
How long does the battery last on a single charge?
Answer: The battery life of the Rechargeable Lithium-ion Spare Battery largely depends on usage, but it typically lasts several hours of continuous playback on your JBL PartyBox Stage 320 or Xtreme 4 speakers. This longevity makes it ideal for outdoor events or long gatherings, as you can enjoy uninterrupted music. If you're planning an all-day outdoor event, having a spare can ensure you keep the music going without having to worry about running out of power. -
Question:
Can I use this battery with other JBL speakers?
Answer: This particular Rechargeable Lithium-ion Spare Battery is specifically designed for the JBL PartyBox Stage 320 and Xtreme 4. While it might physically fit in other models, it is recommended to use it strictly with compatible devices to ensure optimal performance and prevent potential damage. Sticking to compatible devices ensures you don’t compromise the sound quality or functionality of your speakers. -
Question:
How do I install the replacement battery in my JBL speaker?
Answer: Installing the Rechargeable Lithium-ion Spare Battery is straightforward. First, ensure your JBL speaker is powered off and unplugged. Remove the speaker cover or compartment for the battery, cautiously take out the old battery, and replace it with the new one, ensuring correct alignment with the contact points. Once installed, close the compartment securely, plug in your speaker, and power it on to enjoy your audio. This process enhances your listening activities during parties or outdoor events without hassle. -
Question:
What should I do if the battery doesn’t charge?
Answer: If the Rechargeable Lithium-ion Spare Battery is not charging, first ensure your speaker is properly connected to a power source. Check the charging cable and port for any damage or debris. If everything appears normal but the battery still doesn't charge, try removing the battery, waiting a minute, and then reinstalling it. Sometimes, reseating the battery can resolve connection issues. If the problem persists, it might be worth considering using another charger for testing or reaching out to customer support. -
Question:
Is this battery environmentally friendly?
Answer: Yes, the Rechargeable Lithium-ion Spare Battery is designed with environmental considerations in mind. Lithium-ion batteries are generally more efficient and have a lower environmental impact compared to traditional batteries due to their enhanced longevity and recharge capabilities. This means less frequent battery replacements and reduced waste. By choosing this battery, you contribute to sustainability while enjoying high-quality audio on your JBL speakers for gatherings, hikes, or home entertainment. -
Question:
How can I maximize the lifespan of my spare battery?
Answer: To maximize the lifespan of your Rechargeable Lithium-ion Spare Battery, maintain optimal charging practices by not fully draining the battery often and avoiding excessive heat exposure. Additionally, store the battery in a cool, dry place when not in use. Proper usage and care routines can help ensure longer life and better performance, whether you're using it regularly for outdoor events or keeping it as a backup during long music sessions. -
Question:
What is the charging time for the battery?
Answer: The charging time for the Rechargeable Lithium-ion Spare Battery typically ranges between 4 to 6 hours, depending on the charger used and existing battery levels. Proper charging will ensure your JBL PartyBox Stage 320 or Xtreme 4 speakers are ready for use when you need them, making it ideal for preparing for a party or an outdoor outing. Keeping an eye on the charging status can help you time your preparations effectively. -
Question:
Where can I buy the Rechargeable Lithium-ion Spare Battery in Grenada?
Answer: You can buy the Rechargeable Lithium-ion Spare Battery, Replacement for JBL Battery 400, compatible with JBL PartyBox Stage 320 and Xtreme 4 Portable Speakers, from Ubuy in Grenada. Ubuy offers a reliable platform to source authenticated products, ensuring you receive a quality spare battery that meets your speaker's requirements. It's a convenient choice for those who want assurance regarding product compatibility and authenticity. -
Question:
What makes this lithium-ion battery a better choice than regular batteries?
Answer: The Rechargeable Lithium-ion Spare Battery is a superior choice compared to regular batteries due to its rechargeable nature and higher energy density. This ensures a longer-lasting performance and less frequent replacements, ultimately saving you money and reducing environmental impact. They're particularly advantageous in scenarios where you use your JBL speakers extensively, such as outdoor gatherings or events, where consistent power supply is crucial to maintaining a lively atmosphere.
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“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
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- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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XCD 81
Order now and get it around Wednesday, July 22
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Features & Benefits
- 10000mAh capacity for extended playtime.
- Delivers up to 18 hours of continuous usage.
- Compatible with PartyBox Stage 320 and Xtreme 4 speakers.
- User-friendly USB Type C charging interface.
- Safety assured with FCC, CE, and RoHS certifications.
- Quick charge function offers 2 hours of playtime with just 10 minutes of charging.
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