A:AnswerActual battery performance depends on usage and ambient environment.The operating time in continuous use is 10 hours max. and not in use (5 days max.) both if eco mode is on.
A:AnswerThe main phone base/cradle and the other bases/cradles are connected to the electrical wall outlet, so they can CHARGE the battery handheld receivers when they are placed back in them.
A:AnswerThis phone not only shows the name or number of who is calling it audibly tells you who or what number is calling. You can listen from another room to hear if it's a call you need to take right away.
A:AnswerDear customer, thank you for your question. This unit is not available with 1 handset. You may look up the KX-TGC22 which can be purchased only with one handset that comes with the base.
A:AnswerDear customer, thank you for your question. Yes, there is a Noise reduction feature. Please refer to the link below for a more detailed answer: http://help.panasonic.ca/viewing/ALL/KX-TGE632/OI/TGE632_PNQX8639ZA/TGE632_PNQX8639ZA.pdf#page=18
About the Power Back Up please see below: http://help.panasonic.ca/viewing/ALL/KX-TGE632/OI/TGE632_PNQX8639ZA/TGE632_PNQX8639ZA.pdf#page=22