BT Big Button 4500 Cordless Phone Batteries BT4500 AAA NiMH 1.2V 550mAh 2-Pack

Pack of 2 replacement BT Big Button 4500 cordless phone batteries. As detailed in BT instruction manual, the recommended replacement batteries for the BT 4500 phones are rechargeable NiMH 1.2V AAA 550mAh cordless phone batteries. When replacing the Big Button BT4500 cordless phone batteries please charge them for a minimum of 24 hours the very first time. Please also note that new batteries do not reach their full capacity until they have been in normal use for several days. If you have more than one handset, don't forget to increase the quantity you need if replacing all the batteries together.