Compatible model: For JBL Xtreme 3 Part No.: GSP-2S2P-XT3A Specifications: Voltage: 7.4V Capacity: 5200mAh/38.48Wh Dimension: 138.50 x 40.00 x 19.00mm Cameron Sino Model No.: CS-JMX300SL Li-ion Battery Voltage: 7.4V Capacity: 6800mAh/50.32Wh Dimension: 138.50 x 40.00 x 19.00mm Cameron Sino Model No.: CS-JMX300XL Li-ion Battery We guaranteed: >All products 12 Months Warranty! >Delivery reliable,optimal performance! Considerate service! >Best price and Good quality! Using Tips: 1.Terminate any applications that are not in use. 2.Switch the vibration off and reduce ring tone and screen timeout. 3.Avoid exposing the battery to liquid or subject to strong mechanical shocks. 4.You can use the Baixt External Battery to make your cell phone battery life last longer. 5.Avoid overcharge and over discharge. Please stop charging when the battery is 100% charged. 6.Avoid exposing to high temperatures 140F/60C. Keep the battery power between 5%-95%. 7.Do not short-circuit the battery.Accidental short-circuiting can occur when a metallic object such as a coin clip,or pen causes direct connection of the positive(+) and negative(-) terminals of the battery short-circuiting the terminals may damage the battery of the connecting object.