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Your cart is empty.BK-40AAABU 1.2V 400mAh NiMH Rechargeable Batteries. Are you tired of constantly replacing your batteries and dealing with devices that run out of juice too quickly? Upgrade to the reliable and long-lasting BK-40AAABU batteries and experience uninterrupted power like never before!
C Greywolf
July 28, 2025
I thought I could get away with just using AAA (regular) batteries to keep my phone charged. It just didn't work. Still have one phone with original batteries and they're Panasonic rechargeable lithium. With a magnifying glass, I got the proper battery number and ordered the "exact" (time will tell) same batteries. It charged the phone and I no longer need be concerned about the phone not working.This time, I chose not to get a cheaper battery since the Panasonic has been in one phone for about 6 years and know they work.
classybutreal
July 12, 2025
Purchased batteries as a replacement for a friends home phone. They worked well, and have good battery life and charging speed. They were also a good value for the money.
MaggieSI
June 15, 2025
Rechargeable batteries were a perfect fit and worked on my Panasonic landline phone.
imhappee
June 13, 2025
Was going to buy a new cordless house phone but just needed batteries. That’s what happens when you have something for along time you think you need new but Panasonic is a good brand and I got it at Amazon
Zahir M.
May 20, 2025
They work great in the phone. Excellent
Sharon
April 24, 2025
Good as higher priced from other merchants.
Millie A
March 13, 2025
worked greay
JT
January 26, 2025
These batteries seemed to work fine. I had to return the phone and the batteries went back with it
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