Upgrade the power source of your Sony Xperia J with this Genuine SONY BA900 Battery. This external battery is designed with a glossy finish and is made of lithium material, ensuring a longer-lasting and more reliable performance. With a capacity of 1700mAh and a voltage of 3.7V, this battery can keep your phone running for hours. This battery is compatible with Sony Xperia J and comes with a wired/phone antenna port for easy connectivity. It features OEM technology and is manufactured in China, making it an ideal choice for those who need a replacement battery. This battery is black in color and is sold as a single unit, with no custom bundle included.