are they called cadium--bad reception on 3 phones portable -hope this is the problem they even go dead--they were good phones..Thanks
All you need are rechargeable AAA Nickel-Metal Hydride (Ni-MH) batteries that are between 550-750 mAh. You can buy these from Best Buy for $20-$30 for a pack of 4 batteries. link
Hi Gloria. Which Panasonic phone model do you need replacement batteries for?