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Think of all the devices in your life that require multiple batteries. They include everything from portable keyboards, remote phones, bicycle lights and numerous other flashlights, radios, and remote control devices. There are probably more than you first imagined. When one stops working, nine times out of ten, most of the batteries in the device are good still good, and there is only one bad egg. You may even be able to see a little corrosion on it. But, are you certain? Suppose you are going on an evening bike ride or extended trip with the battery device? You don't want to chance failure so, you decide to replace them all. You'll never do that again with this tester. Now, you will know exactly, which are bad, and if the others are still totally powerful. Chances are it will pay for itself in both cost and a sense of security the first few time you use it. Get one. You will be surprised how handy they are.Read full review
Verified purchase: Yes | Condition: New
A battery will not stay in place unless noteworthy pressure is held against the red slider portion. It would work better if the red slider was spring loaded. It takes two hands to use it. One to hold the battery in place, the other to put pressure on the red slider. Then the meter is hard to read.
Verified purchase: Yes | Condition: New
So many friends and family ask me to bring my multimeter to their home to check their batteries for them. I bought several of these battery testers and now I'm free! Not everyone knows how to use a multimeter. So these make a great gift for them. Anyone can test batteries with it. Grandma, Grandpa, I even keep one handy for myself because it's quick and easy. I highly recommend this tester for everyone!
Verified purchase: Yes | Condition: New
Nice product, good value, functions well as intended. Only design flaw was the red battery holder could have been spring loaded for ease of use. Yes it is adjustable for different battery size but a spring load design would have been nice. Other than that, it is very useful and it functions as intended.
Verified purchase: Yes | Condition: New
A high quality yet economical instrument for monitoring the status of common battery types around the house. Simple and uncomplicated to use and the color-coded display makes it quick and easy to determine battery quality.
Verified purchase: Yes | Condition: New