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Do I have to use Panasonic Rechargeable Batteries?
Posted by: kap
Date: September 05, 2010 07:01PM
We have one year old set of 2 Panasonic cordless phone unit model KX-TGA4030B. The stock batteries are AAA Panasonic Ni-MH. The talk time now is only about 5-7 minutes. Even if the batteries are charged fully on my desktop Ni-MH charger. Still, the charge doesn't last long. When I replaced with generic batteries I got a message displayed on the LCD screen warning me to use only Panasonic's. Not sure why. If you thin I should stick with the brand then where can I find a deal on the batteries? Tia



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Edited 1 time(s). Last edit at 09/05/2010 07:02PM by kap.
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Re: Do I have to use Panasonic Rechargeable Batteries?
Posted by: space-time
Date: September 05, 2010 07:29PM
eneloop
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Re: Do I have to use Panasonic Rechargeable Batteries?
Posted by: kap
Date: September 05, 2010 07:38PM
Got those SONY AA ones with a charger for a good deal from camera shop that went under. I should look into Amazon for the AAA set.



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Re: Do I have to use Panasonic Rechargeable Batteries?
Posted by: Black
Date: September 06, 2010 01:35AM
Short answer-- absoltely no reason to use only Panasonics.
Long answer-- absolutely no reason to use only Panasonics.

Just to be fair, they should label their batteries with "for use only in Panasonic appliances."




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Re: Do I have to use Panasonic Rechargeable Batteries?
Posted by: kap
Date: September 06, 2010 01:49AM
Quote
Black
Just to be fair, they should label their batteries with "for use only in Panasonic appliances."

Would definitely save me from posting the question smiling smiley



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Re: Do I have to use Panasonic Rechargeable Batteries?
Posted by: kap
Date: September 06, 2010 02:01AM
Whoa, each battery costs $19.95 minus tx and shipping. And I need four! We only paid $60 for the entire phone unit at BB.



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Re: Do I have to use Panasonic Rechargeable Batteries?
Posted by: space-time
Date: September 06, 2010 04:22AM
Quote
kap
Whoa, each battery costs $19.95 minus tx and shipping. And I need four! We only paid $60 for the entire phone unit at BB.

just get some Rayovac AAA cells, a 4 pack should be 9.99 at Target
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Re: Do I have to use Panasonic Rechargeable Batteries?
Posted by: Black
Date: September 06, 2010 08:26AM
Quote
Black
Short answer-- absoltely no reason to use only Panasonics.
Long answer-- absolutely no reason to use only Panasonics.

Just to be fair, they should label their batteries with "for use only in Panasonic appliances."

Er . . . now that I've had a few hours of sleep, I see the note about the message on the display . . . does it stop you from using the phone?




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Re: Do I have to use Panasonic Rechargeable Batteries?
Posted by: space-time
Date: September 06, 2010 08:51AM
the phone has no way to know if you put inside Panasonic or Duraloop or Rayovac. Do you get the same message when you put back the original Panasonic batteries?

Anyway, they want you to buy their stuff ($$) and also to prevent you from using Alkalines or maybe NiZn batteries which have 1.6V

where did you see the Panasonic AAA cells for $19.95?
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Re: Do I have to use Panasonic Rechargeable Batteries?
Posted by: space-time
Date: September 06, 2010 08:55AM
here is the 2 Pack Panasonic AAA for 9.95, with FREE shipping (with Amazon Prime)

[forums.macresource.com]

BTW, this is still 2x more expensive than generic high quality cells
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Re: Do I have to use Panasonic Rechargeable Batteries?
Posted by: kap
Date: September 06, 2010 09:19AM
The warning message pops on the screen whenever I put in non Panasonic batteries. I can still use the phone but as previously mentioned it lasts about 5-7 minutes of usage. The price I quoted were from Panasonic website.



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Re: Do I have to use Panasonic Rechargeable Batteries?
Posted by: RAMd®d
Date: September 06, 2010 05:43PM
Are any of the non-Panasonic batteries you've tried rechargeable batteries?

Certainly a manufacturer wants you to use their product for their profit. But if you were to put standard non-rechargable (read: carbon-zinc or alkaline) batteries in the handset, there is a remote possibility that the higher voltage might damage the handset or cause it to malfunction.

Another issue, not nearly as remote- placing the handset in the base with standard batteries could easily damage the batteries and the handset when the base/cradle attempted to recharge them.

Your phone system obviously *does* know when you've put non-Panasonic batteries in the phone. I'm curious as to how it does. More information would help.

It would be easy for the system to detect the voltage delta between NiMh and disposable batteries. And like some manufacturers' printer cartridges, they could be "chipped". That would be expensive (but than so are the "proper" batteries) and would only be worth the effort if your phone handset didn't work without "genuine" replacement batteries.




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Re: Do I have to use Panasonic Rechargeable Batteries?
Posted by: kap
Date: September 06, 2010 08:39PM
RAMd®d,
The replacement were rechargeable Ni-MH. Just tested them with another device. The replacement were defective. D'oh!



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