Replacement battery for cordless phones Replacement battery suitable for: AVM Fritz Fon MT-F Capacity: 700mAh Nominal voltage: 3.7 V Technology: Li-Ion Original battery: 312BAT006 Dimensions: 47.2 x 35.7 x 5.7 mm Weight: 16 g Colour: black Not an original battery from the phone manufacturer https://elecena.pl/product/17844052/cordless-phone-battery-li-ion-700-mah-fritz-fon 2021-04-24 https://elecena.pl/product/17844052/cordless-phone-battery-li-ion-700-mah-fritz-fon 2022-07-21