Harman Kardon Onyx Studio 2 Battery

This Harman Kardon Onyx Studio 2 replacement battery is what you need to bring your dead Bluetooth speaker back to life!

Battery degradation is an inevitable part of your speaker’s lifespan ¡ª extend it with this replacement battery compatible with the 2nd gen Harman Kardon Onyx Studio. If your speaker won¡¯t turn on, won¡¯t hold a charge, or you simply experience poor battery life, this replacement battery may be what you need to fix it.

For optimal performance, calibrate your newly installed battery: Charge it to 100% and keep charging it for at least 2 more hours. Then use your device until it shuts off due to low battery. Finally, charge it uninterrupted to 100%.