Rating: 
Summary: Good features, very weak battery life
Review: I like the features of this phone. particularly the speaker phone, strong reception even far from the base station, overall look and feel. The achilles heel of this system is the very weak battery life. The cordless handset is frequently completely out of juice and will not even ring.
Also, the answering system on the base station is not very reliable. My previous answering system was an old tape-based Panasonic model that - while archaic - worked much better. The new system rarely erases all the messages. Also the ringer volume on the base station is not very high.
Rating: 
Summary: Great Features--Terrible battery.
Review: I love the features of this phone but the batteries that come with it make it unusable. The phone will tell you there is plenty of battery left and then BAM! right in the middle of a phone call it goes dead. I replaced the NiCd batteries it shipped with with some NiMh batteries from batteries.com and it has worked flawlessly since then. With better batteries, this would be a five star phone easily. Make sure to add $20 to the price of this phone because that's what you'll spend on a workable battery.
Rating: 
Summary: affected all my other phones
Review: I ordered this phone as an extension for my base unit. I registered it and it worked fine for one day. The next day, all my phones were echoing and the new handset faded in and out and nobody could hear me on the new handset. I had to return it and deregister it, but my phones still haven't returned to the previous normal state. At this point, I don't know what to do.
Rating:
Summary: Had Battery Problems, but Found Easy Solution
Review: I too like many other have experienced horrible battery problems with this phone. After some investigating, I found that the solution for my problem was inserting a piece of cardboard into the top of the battery compartment to forcibly push the battery against the springs. Since that, I have had no more charging problems.
Rating:
Summary: Great features but Terrible Battery life -4-5 mos after buy
Review: If I had reviewed this phone soon after I had bought it (first 2-4 months), I would have given it at least 4 stars because of the features and pretty good battery time. However as time went on, battery life has deteriorated to a point that it is a joke. Sometimes we get just 20 minutes without speaker phone. I have both a speaker phone/base station and an extension set. The extension is worse, but the base station is the same in terms of battery life. So if you see 4 or 5 stars in the rating by some Amazon reviewer for this phone, you know it is someone who just recently bought the phone; if you seee 1 star, it is someone like me, who Panasonic has nicely fleeced but has finally figured it out!!!
Rating:
Summary: Buyer beware
Review: If you purchase this product, I hope you are completely satisfied. It is my opinion that the reliability of Panasonic products has slipped in recent years, and this was confirmed to me when a product I purchased quickly failed. The reason I'm posting this is to warn you that the warranty that accompanies Panasonic products only has value if the company chooses to stand behind it. In my case, they weaseled out of it, leaving me with a total loss and no further recourse. Good luck with your decision.
Rating: 
Summary: Great Features but battery life is pathetic
Review: It is a great phone with all those features. I alway enjoy the speaker phone on my cordless phone but of late, the battery life has gone down and now I have to keep it on the charger for all the time to make even couple of calls.Is there a supliment battery that we can buy?? ..updated on 06/29/04
Well just added another battery, you can buy it in Radio Shack or even online Panasonic.Com for $11 and my phone is back to normal. And as someone said correctly, I have been regularly using my phone with booster on. May be that was the reason. But if I lose this battery quickly then I will post it here but other wise I am giving 5 of 5 to this phone. Because battery is very very important thing and with the new batttery working excellent, charging quickly in 2 hrs, I changed my rating from 3 to 5. V
Rating:
Summary: Battery life problems
Review: It may be a fluke, but I have had battery problems with this phone. It was so bad that I could not complete a call without the phone discharging. I was very careful not to recharge the phone without the battery discharging so as not to decrease battery life. Still, this is the second phone I have gone through in less than a year. I have spent hours on the phone with Panasonic trying to fix the problem. Panasonic replaced the phone twice with refurbished models and still the battery life is horrible. We looked into having the settings wrong to just a bad battery. I am now trying the newer model with the NiMHd battery instead of the NiCd. Let's see how this works. I am very disappointed with the customer service offered by Panasonic. Warranty means that they will only replace the phone with a refurbished model. This is true even if the phone dies withing the first month.
Rating:
Summary: A winner
Review: It seems that I have been buying a new phone every year trying to find one that does everything well. I can finally stop my search, this Panasonic fits the bill. The sound quality is superb, on the handset, speakerphone, and headset. I have yet to have an unclear conversation due to signal strength. My only two criticisms concernsthe ergodynamics of the phone, but that is a problem with the entire segment and the caller ID menu has one layer too many. I have not had any of the problems that the previous reviewer had.
Rating:
Summary: NiMH Batteries Available for This Model
Review: Like other reviews, I will complain that the battery life with the standard NiCad battery is not good, and the battery eventually fails prematurely. However, there are NiMh batteries with much better life and excellent performance available. I bought some energizer model no. ER-P511 and they work just great. They are drop-in replacements for the Panasonic handsets.
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