Question about AT&T E5640 Phone

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Phone loses connection after few minutes

I have had the above answer phone system for about a year and a half. I have a total of 2 handsets. On 2 recent occasions after being on either phone for about 30 minutes, I hear a beeping noise and then a few minutes later, I lose the connection and the line goes dead. Does this indicate that both handsets need a new battery? Any other possible causes? I always put the phone back in the charger when not in use. Many thanks. Dan Johnson

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I looked up the battery specs for your phone. They are 3 X 200mah= 600mah battery packs. They should last 8 hrs talk time with the headsets. This style of battery pack in my experience only last about 1 1/2years and sometimes longer and "sometimes" shorter...much shorter. I bet you never had problems when you first got them. Basicly this "battery design arrangment" goes back many years before newer battery technlogy was developed. But designers still insist on using them even today. They are cheap to make. ****Time to replace them with new ones.**** Make sure you follow the mfgs charging instructions: "After battery installation, place the handsets in their base unit or charger and allow to charge for 16 hours before use. You can keep the battery charged by returning the handsets to their base unit or charger after each use. When the battery is fully depleted, a recharge takes about 12 hours. Average talk time on a fully charged battery is about eight hours depending on environmental conditions, standby time is approximately four days." Good luck

Posted on Jul 19, 2007

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