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Item #:
211132764
Battery for JBL PartyBox 520, PartyBox 720 PN:JBL FG6CELL21&700G 5000mAh / 108.0Wh
86% of respondents would recommend this to a friend
Item #:
211132764
KYD 97
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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In stock
Imported from USA store
QTY:
Only 12 items left in stock.
Order now and get it around Wednesday, August 19
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Our batteries are made to the exact specifications as the original, ensuring safe and durable use.
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What Stands Out
High Capacity
With a robust 5000mAh power capacity, this battery ensures extended playtime for your JBL PartyBox, keeping the music going longer during parties or events.
OEM Quality
Designed specifically for JBL PartyBox models, this genuine battery replacement meets the highest standards of performance and reliability, ensuring seamless compatibility and optimal sound experience.
Sustainable Power
At 108.0Wh, this battery offers powerful, long-lasting energy, allowing users to enjoy their music without frequent recharging, making it perfect for outdoor gatherings or all-night events.
Product Details
- [Battery Compatible] Replacement Battery for PartyBox 520, PartyBox 720 . All batteries are Certificated with ISO9001.
- Product Type: 5000mAh / 108.0Wh,Voltage:21.6,Dimensions:,Weight:g,
- [New battery ]There are many installation videos available on the Internet, which are easy to install. New fully decoded chip works just like the original
- [Battery High Quality] Our batteries are made to the exact specifications as same as the original battery. Every battery is with strict spec detection and use testing, absolutely ensure the safe and durable use of the battery Overcharge, over discharge, Replacement, over voltage and short circuit protection for better battery life. The package has shock-shock foam, transport a protection battery.
- [ battery] Email reply within 24 hours
| Number of Batteries | 1 Lithium Polymer batteries required. (included) |
| Brand | FYIOGXG |
| Model Name | Replacement for |
| Manufacturer | CS |
| Battery Capacity | 5000 Milliamp Hours |
| Voltage | 21.6 Volts |
| Reusability | YES |
| Unit Count | 1.0 Count |
| Battery Weight | 10 Grams |
| Antenna Location | Speaker |
| Battery Cell Type | NiMH |
| Battery Cell Composition | NiMH |
| Recommended Uses For Product | Speaker |
| Country of Origin | This item will be imported from US |
| What is in the box | Battery for JBL PartyBox... For more details, please check description/product details |
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?
-
Party Enthusiasts
Ideal for users hosting events or parties requiring portable, powerful sound without frequent recharging interruptions.
-
Outdoor Users
Great for users who want to use their speakers in outdoor settings, providing extended playtime without mains power.
-
Music Professionals
Beneficial for DJs or musicians who need reliable and robust battery performance during gigs or rehearsals.
-
Casual Listeners
Not necessary for users who listen to music occasionally and prefer stationary, plugged in devices.
Product Description
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Customer Questions & Answers
-
Question:
Which models is this battery compatible with?
Answer: This battery is compatible with JBL PartyBox 520, PartyBox 720, and Boombox 4. -
Question:
How do I ensure the best performance from the new battery?
Answer: The new battery achieves its best performance after 2 or 3 complete cycles of charge & discharge. -
Question:
What precautions should I take when handling the battery?
Answer: Do not disassemble, dispose of in fire or water, or store above 60°C (140°F).
FYIOGXG Batteries Editorial Review
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Customer Reviews & Ratings
6 customers ratings
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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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Top selling JBL PartyBox battery in Cayman Islands
Last Updated on July 23, 2026
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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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KYD 97
Order now and get it around Wednesday, August 19
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Only 12 items left in stock.
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PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
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Features & Benefits
- High-quality replacement battery for JBL PartyBox models.
- Capacity: 5000mAh / Voltage: 21.6V for optimal performance.
- Easy to install with many helpful online resources available.
- Features overcharge, over discharge, and short circuit protection.
- Certified with ISO9001 for reliability and safety.
- Package includes shock-proof foam for safe transportation.
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