Review on 🔋 2-Pack Corun N4DHYYY00014 1.2V 400mAh OEM AAA Batteries for Panasonic Cordless Phone BK-40AAABU KX-TGE463 S KX-TGE445 B KX-TGE433 B KX-TGE274 S KX-TGE275 S KX-TGD224 N KX-TGE475 S by Liam Roth

This battery pack was designed to replace handset batteries that were no longer able to hold a charge. They are exactly the same as the original batteries. I charged them for 7 hours before putting them in my phone. They only loaded "one bar" on the display and there have been no loading bars since I put them in. Looks like I'll need a brand new phone system if I can't get those batteries to keep it running. . This is disappointing as the phone is less than 3 years old.