








🔊 Power Up Your Sound Experience!
The Kratax 3500mAh Rechargeable Replacement Battery is designed specifically for Harman Kardon Onyx Studio models 1 through 4. With a capacity of 3500mAh, it offers 35% more power than the original battery, ensuring longer playtime. The package includes essential tools for easy installation and features built-in safety circuits to protect against overcharging and short circuits. Certified for quality and safety, this battery is the perfect upgrade for your wireless speaker.





| Reusability | Rechargeable |
| Battery Capacity | 3500 Milliamp Hours |
| Voltage | 3.7 Volts |
| Compatible Phone Models | Harman Kardon Onyx Studio, Onyx Studio 2, Onyx Studio 3, Onyx Studio 4 |
| Item Dimensions | 4 x 4 x 1 inches |
| Item Weight | 87 Grams |
| Battery Weight | 29 Grams |
| Unit Count | 1.0 Count |
| Battery Cell Type | Lithium Ion |
Trustpilot
2 weeks ago
3 days ago