High-Quality Battery

Professional manufacturers. Many years of production experience. Tested under strict quality control standards with professional machines for 3 times before shipping. Over-Charging, Over-Discharging, Over-Heating and Short-Circuiting Protection. Works as good as your original battery.

Easy To Install

Easy to replace, most people can do it by themselves, perfect for replacing your old batteries. You can also choose this battery as a backup.deliver consistently high performance that matches or exceeds that of your speaker’s original battery – all for a high number of charging cycles.

Safety

All products are rigorously tested to ensure correct voltage, circuit protection, capacity, stable current, low self-discharge and guaranteed battery life. speaker batteries undergo strict, rigorous testing to fully comply with the highest EU standards and beyond

The sustainable choice

Replace the battery, not your wireless speaker. It’s the smarter, cheaper, eco-friendlier choice, saving you money while cutting your environmental footprint through recycling.

Completely fit and work.

Battery Harman Onyx Professional installation is highly recommended. We will not be responsible for any damages to your device that you may cause during the changing of replacement parts.If you dont use the battery for a long time, please put it in a dry and cool place and make it full charged once every three months.

Features: 

1. Voltage: 11.1V
2. Capacity: 2500mAh / 27.8WH
3. High-quality replacement battery with a large capacity
4. Each cell is tested and checked separately by competent professionals
5. for instance, Long service life with its modern lithium technology without memory effect
6. for instance, High capacity circulatory function, perfect replace your original batteries
7. for instance, Safety and reliability are guaranteed against: short circuits, overheating, overloads