HIGH-CAPACITY DESIGN: 2600mAh Li-ion battery provides extended music playback time for your Onyx Studio wireless speaker, delivering powerful and uninterrupted sound for hours PREMIUM BATTERY CELLS: Built using Grade A lithium-ion cells to ensure stable voltage, consistent performance, and reliable safety throughout its charge cycles PRECISION FIT: Engineered to fit exactly like the original LI11B001F battery without modification, ensuring a smooth and secure installation in your speaker DURABLE AND SAFE: Encased in robust ABS and polycarbonate housing to resist physical damage and protect against overheating, short-circuit, or overcharging COMPLETE PACKAGE: Includes 2 x battery packs [Rechargeable]; backed by a 24-month worry-free warranty and friendly customer service for your peace of mind

elxjar delivers reliable power with this 3.7V 2600mAh Li-ion battery, specifically designed to replace the original LI11B001F battery in Harman Kardon Onyx Studio 1, 2, 3, and 4 wireless speakers. Built with high-quality lithium-ion cells and protected by a durable ABS + polycarbonate shell, this battery ensures long-lasting performance, consistent energy delivery, and safety throughout its service life.

This replacement battery is engineered for precise compatibility, matching the dimensions and electrical characteristics of the original for a seamless fit and optimal function. It's perfect for users who want to restore performance to their portable Bluetooth speaker without compromising on quality or reliability.

The battery is easy to install and ready to use, making it ideal for DIY repairs, speaker refurbishments, or extended playback during travel, events, or daily music enjoyment.

FAQ:

• Q: Is this battery compatible with Onyx Studio 4?
  A: Yes, it is fully compatible with Onyx Studio models 1 through 4.
• Q: What is the runtime on a full charge?
  A: Depending on usage volume, the battery typically provides 4–6 hours of playback per charge.
• Q: Is this an original Harman Kardon battery?
  A: No, this is a third-party replacement by elxjar, designed to meet or exceed OEM standards.
• Q: What is included in the package?
  A: The package contains 2 x rechargeable batteries.
• Q: Is the installation process difficult?
  A: No, installation is straightforward. Simply remove the original battery and insert the replacement, matching the polarity and connector.