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This 3500mAh rechargeable lithium-ion replacement battery (model LI11B001F) is designed specifically for Harman Kardon Onyx Studio 1 through 4 Bluetooth speakers. It delivers stable 3.7V power with built-in safety protections and includes a full installation toolkit, enabling users to easily restore their speaker’s battery life with a durable, eco-friendly solution that supports over 1000 recharge cycles.



| ASIN | B0B8RZQZ3K |
| Amperage | 3500 Amps |
| Antenna Location | Indoor |
| Battery Capacity | 3500 Amp Hours |
| Battery Cell Type | Other Than Listed |
| Battery Weight | 60 Grams |
| Best Sellers Rank | #509 in Portable Bluetooth Speakers #3,679 in MP3 & MP4 Player Accessories |
| Brand | Uwayor |
| Compatible Phone Models | for Harman/Kardon Onyx Studio 1/2/ 3/4 Wireless Bluetooth Speaker |
| Customer Reviews | 4.4 4.4 out of 5 stars (123) |
| Item Dimensions | 0.79 x 0.39 x 0.39 inches |
| Item Type Name | LI11B001F Battery |
| Manufacturer | Uwayor |
| Model Name | HK-OS4 |
| Model Number | LI11B001F |
| Number of Batteries | 1 Lithium Ion batteries required. (included) |
| Reusability | Rechargeable |
| Unit Count | 1.0 Count |
| Voltage | 3.7 Volts |
| Warranty Description | 12 month |
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