The 3.7V Li-ion Battery from Cameron Sino Technology Limited is a powerful and reliable energy source specifically designed to fit Jbl Authentics 300 models. This battery's impressive capacity of 6700mAh provides prolonged use, ensuring your device operates at peak performance for extended periods. The battery is of the Li-ion type, renowned for its high energy density, slow loss of charge when not in use, and long life span. It boasts a substantial energy capacity of 24.79Wh, ensuring your Jbl device runs efficiently and consistently. With a voltage of 3.7V, this battery is perfectly aligned with the power requirements of your Jbl Authentics 300, ensuring optimal performance and the longevity of your device. The battery is designed to fit perfectly into your device with dimensions of 72.00 x 38.50 x 20.90mm. The battery is a striking blue color, adding a touch of vibrancy to your device. Despite its high capacity and performance, the battery maintains a lightweight design, with a net weight of just 105.0g, ensuring it doesn't add unnecessary weight to your device. The product's model number is CS-JBA300XL, and it fits the Jbl battery model number C1146a9, allowing for easy identification and compatibility assurance. This product comes from a reputable brand, Cameron Sino Technology Limited, known for its commitment to quality and innovation. With no known issues concerning this product, you can be confident in its performance and reliability. This battery is no exception, offering exceptional performance, reliability, and value for your Jbl Authentics 300.