Enhance the talk time of your Sony Ericsson T226 or T230 cellphone with the BST-30 Li-Ion Battery Pack. This internal battery pack has a capacity of 670mAh and operates at 3.6V. It is designed to provide long-lasting power to your phone, enabling you to stay connected for longer periods. This battery pack is an ideal replacement for your old or damaged battery. It is compatible with the Sony Ericsson BST-30 model and is easy to install. With this battery pack, you can enjoy the freedom of movement without worrying about running out of charge.