

🔋 Power up your party—never miss a beat with the ultimate Onyx Studio battery upgrade!
This 3500mAh 3.7V rechargeable lithium-ion battery is a direct replacement for Harman/Kardon Onyx Studio 1 through 4 wireless Bluetooth speakers. Engineered for durability with over 1000 recharge cycles and comprehensive safety protections, it comes with installation tools for easy DIY replacement, ensuring your premium speaker delivers uninterrupted, high-quality sound.



| ASIN | B0B8RZQZ3K |
| Amperage | 3500 Amps |
| Antenna Location | Speaker |
| Battery Capacity | 3500 Milliamp Hours |
| Battery Cell Type | Lithium Ion |
| Battery Weight | 60 Grams |
| Battery capacity | 3500 Milliamp Hours |
| Battery cell composition | Lithium Ion |
| Best Sellers Rank | #85,531 in Electronics ( See Top 100 in Electronics ) #1,974 in Portable Bluetooth Speakers |
| Brand | Uwayor |
| Compatible Phone Models | Harman, Kardon Onyx Studio 1/2 |
| Customer Reviews | 4.6 out of 5 stars 87 Reviews |
| Item Dimensions | 20 x 10 x 10 millimeters |
| Item Type Name | LI11B001F Battery |
| Manufacturer | Uwayor |
| Model Name | HK-OS4 |
| Model Number | LI11B001F |
| Number of Batteries | 1 Lithium Ion batteries required. (included) |
| Number of batteries | 1 Lithium Ion batteries required. (included) |
| Recommended uses for product | Speaker |
| Reusability | Rechargeable |
| Voltage | 3.7 Volts |
R**E
Works Well - Installation of all batteries can be tricky - don't give up
A**R
Excellent Replacement Battery
L**Y
Very good replacement for Onyx (original)
K**U
Unplugged and rocking!!
M**T
Revived my HK!
Trustpilot
4 days ago
2 weeks ago