4 Ni-MH batteries Longlife Ready 2 Use 800mAh (1.2V) for Siemens Gigaset A400, A420, A580, A585, A600, AS280, AS285, C300 as R3 AAA Micro HR03 (Electronics)
I do not know if it's me who have a problem with the batteries but every time the handset my phone falls (fortunately this is rare), there is a battery that remains introuvable.Du shot, you better have Reserve because the one that loses has to go to