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Synergy Digital Speaker Battery, Works with Harman/Kardon Onyx studio 4 Speaker, (Li-ion, 3.7V, 3000mAh) Ultra High Capacity, Compatible with Harman/Kardon ICR22650 Battery

4.8 (2) Write Review
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$29.45

$ 14 .99 $14.99

In Stock

About this item

  • (3.7V, Li-ion, 3000mAh)
  • Compatible Replacement Battery by Synergy Digital
  • Made with high quality Japanese cells.
  • 100% compatible with your OEM battery.


Synergy Digital Speaker Battery, Works with Harman/Kardon Onyx studio 4 Speaker, (Li-ion, 3.7V, 3000mAh) Ultra High Capacity, Compatible with Harman/Kardon ICR22650 Battery


Mykal Johnson
Reviewed in the United States on August 2, 2021
It works better than the original one
Jeremiah Mcpheron
Reviewed in the United States on July 27, 2021
Fixed my charging issues with my HK Onyx 4 Bluetooth speaker! Beats are back ! Thank you !