These AAA Dect phone batteries are a reliable and long-lasting option for your BT landline phones. Perfect replacements for BT 750mAh batteries. With a capacity of 750mAh and a voltage of 1.2V, it ensures that your phone stays connected for a longer period. The battery is compatible with the BT dect phones and comes with a 1-year manufacturer warranty. This battery is perfect for those who need a replacement or extra spare batteries for their BT landline phones. It is designed to provide the same level of performance as the original battery, ensuring that you can stay connected for longer. The cordless phone battery is a must-have accessory for anyone who needs a reliable phone battery.