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Testers

Battery Tester AA AAA C D 9 Volt and PP3 Universal Tool

Battery Tester AA AAA C D 9 Volt and PP3 Universal Tool
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Battery Tester AA AAA C D 9 Volt and PP3 Universal Tool

 
 
List Price: $6.32
Our Price: $4.95
You Save: $1.37 (22%)
 
SKU:  

70793866

In Stock
Availability:   Usually ships in 1-2 business days
 
 


Description

New Battery Tester * This is a new battery tester * You can test 9 volt, AAA, AA, C, D and even watch batteries * This compact battery tester is great for watch repair * It measures approximately 4 3/8" x 2 3/8" x 1 1/16" (111.6 x 60 x 27 mm)


Product Details
Product Length:0.0 inches
Product Width:0.0 inches
Product Height:0.0 inches
Product Weight:0.14 pounds
Package Length:7.6 inches
Package Width:4.7 inches
Package Height:1.1 inches
Package Weight:0.05 pounds
Average Customer Rating: based on 329 reviews

Customer Reviews
Average Customer Review:4.0 ( 329 customer reviews )
Write an online review and share your thoughts with other customers.

Most Helpful Customer Reviews

102 of 103 found the following review helpful:


5Useful product at reasonable price  Jan 24, 2008 By Ronald Allen
Very handy. Works on all popular battery sizes. Great way to determine strength of batteries that have been lying around the house for a long time. I have also tested batteries that I use in devices that take multiple batteries and can quickly determine if one or all of them need to be replaced. There are similar products on the market that likely work as well. This was one of the least expensive, is easy to use, seems durable and does the job.

122 of 126 found the following review helpful:


4rechargeable batteries produce lower votage . . .  Sep 03, 2009 By trebe
This review is for the SE BT20 battery tester, which is a good, low cost, easy to use tester, that provides basic information about the condition of a battery. The tester has three ranges, `Good' (green), Low (yellow), and `Replace' (red). The sliding red contact is adjusted manually.

The tester is designed to work with various types of 1.5 volt batteries (AAA, AA, C, D, disc or button type). Do not try testing a battery of a higher voltage, as you may fry a resistor, blow a fuse, or otherwise damage the tester. There is a separate set of contacts for testing 9 volt batteries.

To precisely measure a battery's actual output, a voltmeter would be used. A tester like the BT20 only provides a rough idea of battery strength. A new 1.5 volt, non-rechargeable battery, delivering the full 1.5 volts, should read at the top end of the green scale. Rechargeable batteries (AA, AAA, C and D size) are designed to produce only 1.2 volts at full output. Because this is 80 percent of the 1.5 volt maximum the tester is rated for, a NiMH battery will normally read somewhere in the middle of the green section. This may lead some to believe that the battery is `weak', when it is actually at its full rated power. While a lower reading is normal for a NiMH battery, a 1.5 volt non-rechargeable battery with the same reading, is actually down about 20 percent from full voltage, and may not have that much useful life left. Rechargeable 9 volt batteries are rated at only 7.2 volts, and would similarly produce lower readings, even at full power.

If you want a basic tester for 1.5 volt batteries, this is a good choice. If you need more precision, look at a voltmeter or multimeter.

61 of 62 found the following review helpful:


5Does exactly what you want a battery tester to do!  Dec 29, 2008 By Mark Fitzpatrick "Math Teacher"
This inexpensive device ships FREE! It does exactly what you want a battery tester to do - tell you if a battery is good or bad. No need to interpret a multimeter or fiddle with electrodes. The needle bounces to "good" or "replace." Easy. I don't know what these people need rubber bands for (other reviews). It takes one second to make contact with the battery and read the meter. There is no need to hold it in for more than a split second. You just push the slider to the battery with your thumb and your done. Easy, cheep, and accurate.

44 of 45 found the following review helpful:


5The easiest way to check a battery  Jul 22, 2010 By Randy VFR
Universal Battery Tester for Energizer Duracell Battery, Analyze AA AAA C D 9V and Button Type Cell Batteries for Lithium Alkaline or Rechargable Type

This is the easiest way to check the state of charge of a small battery. You don't need to find your voltmeter, leads and hope the voltmeter batteries are good. Just insert the battery between the two contacts on the side of this tester and it will show you if it is good. AAA through D and nine volt batteries are easy to place between the contacts. The red contact is for the positive side of the battery being tested. The tester has no batteries to go dead and replace because it uses the power from the battery it is testing to get the state of charge reading. I keep mine with my replacement batteries so I always know where it is. I just find this tester more convenient to use than a voltmeter for checking a battery. Holding voltmeter leads to each terminal of a battery and reading the meter requires two hands and placing the voltmeter where you can read it.

18 of 18 found the following review helpful:


5Great buy!  Aug 28, 2010 By Camchi
We were tired of having dozens of batteries laying around the house and not knowing if they were any good or not. So, we found this on-line for a minimal amount and it works just as advertised. It's easy to use and very accurate. Great buy for the price!

See all 329 customer reviews on Amazon.com
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