This AT&T replacement battery (4291) is a high-quality option for those in need of a new cordless phone battery. With a voltage of 4V and a DC capacity of 550mAh, this battery is compatible with AT&T phones and is designed for reliable performance.

It is important to note that this battery is compatible with specific AT&T models and is a great choice for those looking to replace their current battery. Whether you are in need of a replacement battery for your home telephone or are looking to upgrade your cordless phone, this AT&T replacement battery is a great option.