EBL 2.4V 900mAh Cordless Telephone Battery for Uniden BT-1011 BT-101 BT-8001 BT-8300 Model: BT-1011 Improved low self discharge - it still maintain 85% of capacity after 1 year of non-use High quality cell - Ni-MH battery has no memory effect, can be charged and used anytime. Professional on rechargeable batteries and chargers, more safety for you. 30 days worry-free mondy back with one year limited warranty, buy confidence.