GBS9X5 is the removable second battery pack for the X500G3 media bay, with a redesigned media-bay connector. It provides additional battery life for the device when the AC adapter is not connected or charged. The pack is removable, allowing a user to change the media bay battery by pulling it out from the media bay. Listed as a lithium-ion battery, this pack is designed to fit in the media bay. Its physical dimensions are 132 mm wide, 150 mm deep, and 22 mm high. These measurements identify the size of the removable media-bay battery pack. Choose this accessory for X500G3 use where additional device battery life is needed when an AC adapter is not connected or charged. The removable format supports changing the media bay battery at the device. Order GBS9X5 when the required accessory is the X500G3 removable second battery pack with the redesigned media-bay connector.