Customer Reviews

Hearing Aid Battery Tester

5 star:		(3)
4 star:		(5)
3 star:		(1)
2 star:		(1)
1 star:		(0)

 

 

Small keychain device that really works. I must have collected a dozen used batteries , some slightly, some completely. Don't know where they come from but those of you that wear hearing aids know what I'm talking about. This tester is cheap, simple to use and it works well. At least on my #13 batteries. It also has room to stow a pair in it's built in holder. Don't wait until your out & about to hear that low battery chirp in your hearing aid. Know before you start your day that you got plenty of juice. If you wear hearing aids you need this!

Finding a hearing aid battery tester is difficult at best. Walk into your local suppliers of batteries and testers and they are clueless as to the difference between a "battery tester" and one specifically designed for testing hearing aid batteries. They are not the same. Regular battery testers do not work for hearing aid batteries.

This tester is speific for hearing aid batteries and works every time. It is easy and reliable. Unfortunately, it seems to be available only online, regardless of source, including large store chains.

It is small, unobstrusive, inexpensive and has a compartment for carrying extra batteries. We purchased two, one to travel and one to stay home.

The tester is a one-size-fits-all device. Hearing aid batteries come in several sizes, all with different current ratings. This device might be somewhat useful for some sizes but could not be appropriate for all of them. If you just want to see if the battery has some charge, it may be O.K.

Hearing aids are programmed to disconnect from the battery when the voltage drops to about 1 volt. Otherwise, the battery would continue to discharge to 0.5 volts where the electrolyte might exit the battery air hole, and damage the hearing aid. Since this device is not calibrated, you have no idea where the 1 volt threshold is on this tester. Since it is a one-size-fits-all, its load current probably does not match that of your hearing aid.

Usually your hearing aid is the best battery tester you can have. When it cuts off, the battery is no longer capable of sustaining the required load current with a voltage above 1 volt. Even if you would put the battery in an appropriate tester to confirm end of life, you would need to do it rapidly, as the battery's chemical reaction would restore charge while there was no load, and the battery would look good when first placed in the tester.

A least one of the cards of batteries that came with my hearing aids was either defective or much older than the date stamped on them, so I wasted a lot of time taking the aids back to the store because they failed almost immediately after changing batteries. I ordered this tester, and now I can check all new batteries as well as used ones. If I have a complaint, it's that the indication is just a series of bars versus a percentage or a meter. The hearing aids indicate that the battery is discharged at about the time the tester indicates about the middle of it's scale, but now that I have a baseline the device is indispensible.

A hearing aid battery tester tests batteries for good or bad - this one does. Supplier very good and unit does what it's supposed to.
Why only 4 stars? Five says "I love it." How can one 'love' a hearing aid battery tester? I do like it - having misplaced the first one and quickly ordering a second identical unit.

Pros:
- User-friedly, probably everyone can use it
- Good accuracy, compared to a multimeter that I use frequently
- Size and weight

Cons:
- Fair material (plastic)

I'm pleased with this product. It is easy to use as a battery tester. It also has storage for two fresh batteries. I carry it every day .

We bought this hearing aid tester at Amazon as we have purchased other items with them and everything has turned out to be of good value. This tester, although it looks cheap does the job, and is handy, because it fits on my key ring. We are satisfied with it, so would recommend others to buy it.

This thing works as advertised but don't test the battery too long (more than a second or two) or you will drain the life out of it. It doesn't take long to drain the power from a hearing aid battery.

The first few batteries I tested didn't give any result, but after about 2 minutes of trying suddenly the device started working (i was testing all new batteries). It give you a simple reading on battery life. I bought this for my grandmother who tends to get rid of her hearing aid batteries before they need to be disposed of. this helps her take into perspective how long her batteries should be lasting. I feel for what it does it might not be worth the money, but she really likes it. So I guess I shouldn't complain. It comes with simple instructions and a very straightforward guide that shows you (according to the power reading you get on the device when testing batteries) when your batteries don't have enough power left in them to be effective. I don't really think most people would needs this, but there are those that might benefit from having the ability to test if you've used batteries or not.