Looking to power up your JBL Tune Beam Charging Base? Look no further! This Li-Polymer battery replacement is just what you need. With a capacity of 750mAh / 2.78Wh and a voltage of 3.7V, this battery pack is designed to give your device a reliable and long-lasting power source. What sets this battery apart is its sleek black colour and compact dimensions of 42.80 x 16.00 x 9.40mm. This means you can enjoy a powerful performance without compromising on the look and feel of your device. Plus, weighing in at just 13.0g, this battery is lightweight and easy to handle. The EAN Code 4894128200666 ensures that this product meets all the necessary quality standards, and you can trust that it is a genuine fit for your JBL device. Whether you're at home, in the office, or on the go, this battery will keep your JBL Tune Beam Charging Base running smoothly for all your audio needs. When it comes to technical details, this battery is top-notch. The item number CS-JBT300SL makes it easy to identify, while the Li-Polymer material ensures a safe and reliable performance. With a gross weight of 38, this battery strikes the perfect balance between power and portability. What's more, this battery replacement is designed to be user-friendly, so you can easily install it yourself without any hassle. Say goodbye to downtime and hello to uninterrupted music and entertainment with this high-quality battery replacement. Upgrade your device today and enjoy long-lasting power for all your audio needs. Get yours now and experience the difference!