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Product Specifications
Part Number BT558
Item Dimensions
Weight2.08 Ounces
Length2 inches
Width2 inches
Height1 inches
Product Features
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Product Description
Don't you just hate when reaching for the remote control and find out it's not operating because the weaken batteries? How can we test the little battery for remaining power? How much longer can we use those batteries before replacing it? This little compact tester unit is the answer. Just hook up the battery and you have an instant answer.
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Customer Reviews
Most Helpful Customer Reviews
60 of 62 people found the following review helpful
Amazon Verified Purchase
This is a great gadget, and it really works. A little arm swings up to accommodate the battery, you place it between the two points, and the easy to read display tells you instantly whether you have a dud, or if you can eke out another few minutes of battery life. Best of all, it can fit in your pocket, so you take it anywhere you have battery operated equipment.
One side of it handles AA, AAA, C and D batteries, and on the other side, there are two buttons for testing those pesky 9 volt batteries, so you'll have no more tingling tongues from the old fashioned "tongue between the terminals" checking method.
Don't expect any fancy packaging, or even the same color as advertised (mine is a dull yellow), but if you have kids and/or lots of battery operated gizmos and gadgets, you'll need one of these - and at the price, why not?
Amanda Richards, August 17, 2005
One side of it handles AA, AAA, C and D batteries, and on the other side, there are two buttons for testing those pesky 9 volt batteries, so you'll have no more tingling tongues from the old fashioned "tongue between the terminals" checking method.
Don't expect any fancy packaging, or even the same color as advertised (mine is a dull yellow), but if you have kids and/or lots of battery operated gizmos and gadgets, you'll need one of these - and at the price, why not?
Amanda Richards, August 17, 2005
116 of 129 people found the following review helpful
Amazon Verified Purchase
The problem with this battery tester is that it only checks for voltage remaining in a battery. Even a 90% used battery can show nearly full rated voltage. It is only when a load is placed on the battery that a true assessment is possible.
For example, a dead alkaline battery and a fully charged rechargable battery (NiMH full charge = 1.2 volts) both read the same low (yellow).
Look for one of the more expensive units that tests under load.
For example, a dead alkaline battery and a fully charged rechargable battery (NiMH full charge = 1.2 volts) both read the same low (yellow).
Look for one of the more expensive units that tests under load.
32 of 33 people found the following review helpful
It works! And it saves me tons of money, lots of kids, lots of electronics , lots of batteries everywhere. Now I know which ones can be saved and which to recycle. I covered my cost already the first use!
Most Recent Customer Reviews
Not accurate
This tester shows "good" (at about 25% of the good scale) for a battery that dimly illuminates a flashlight. A new battery reads about 75% of the good scale. Read more
Published 3 months ago by Robert Pride
Shows all disposable batteries as good, even when they're dead.
When I received this item I tested it on approximately twenty-five dead batteries I had in my "to-recycle" bin. Read more
Published 3 months ago by MMJJEEPP
Great product
This battery tester is so easy to use. I actually bought 3 (one for work, home and one for my parents).
Published 3 months ago by frzframe
Battery Tester
It's a pretty good item- a great deal for the money as long as it is accurate. I use it to tell me if a battery is completely dead. It works for that. Read more
Published 6 months ago by P. Mercier
It's cheap, it works, I like it.
It works. It's not blue (mine is black). Its cheap for what you get, which appears to be a sturdy little machine to help you track those batteries. Read more
Published 7 months ago by C.S.R.G.
Exactly what I wanted
If you want a quick way to see if the reason your device isn't working is because of dead batteries, this is exactly what you want to use. Read more
Published 7 months ago by KDM
not useful - useless batteries test "green" not even low
this thing does sort of tell you the state of the battery. measures voltage from ZERO to full charge (1.35 -1.5 volts or so) . Read more
Published 7 months ago by whomper
5 Star seller thanks
I have written a review earlier, but accidently punched 4 stars. This is a 5 star seller. Everyone should own one of these. I had one that lasted 15 yrs. Read more
Published 8 months ago by scottie
Looking to Save Money
I purchased this tester to help me save money. It was only five dollars, and most of the time when you are going to change the batteries in a product it actually doesn't need all... Read more
Published 8 months ago by Jacob's Mom
You get what you pay for.
I just received this item today to test a drawer full of batteries, many of which I know are old. This tester, however, tested every last one of them as good. Read more
Published 10 months ago by guentherjm
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