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🔋 Power up your life—never get caught powerless again!
The DLYFULL Battery Tester is a compact, versatile device designed to quickly and accurately test over a dozen types of household and button cell batteries. Featuring a crisp LCD display, it provides instant voltage readings to help you identify battery health status—weak, good, or poor—saving you money and reducing waste. Lightweight and pocket-friendly, it’s the essential tool for professionals and tech-savvy millennials who demand reliable power on the go.
| ASIN | B07TC69LDK |
| Best Sellers Rank | #83,821 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #10,122 in Electrical Equipment |
| Brand | DLYFULL |
| Brand Name | DLYFULL |
| Color | Blue |
| Compatible Devices | All devices that use AA, AAA, C, CR123A, D, 9V, N, CR2, CRV3, 2CR5, CR-P2 cylindrical batteries, and various button cell batteries. |
| Customer Reviews | 4.5 out of 5 stars 2,321 Reviews |
| Item Highlight | LCD Display Universal Battery Tester for CR2032 CR123A CR2 CRV3 2CR5 CRP2, 1x AAA Batteries Included |
| Item Weight | 9.07 g |
| Manufacturer | DLYFULL |
| Measurement Type | Voltmeter |
| Min. Operating Voltage | 3 volts |
| Minimum Operating Voltage | 3 volts |
| Model | JS-ENDOSCOPE-12-4-153 |
| Number of Items | 3 |
| Part Number | JS-ENDOSCOPE-12-4-153 |
| Power Source | Battery Powered |
| Specification Met | CE, FCC, RoHS |
| Style | Voltage Tester |
| Style Name | Voltage Tester |
| UPC | 742354329597 |
| Unit Count | 1 Count |
A**R
Excellent Product... Essential Battery 'Tester'
This is an ESSENTIAL, Well Designed Product and everyone who uses batteries or has battery-operated products (all of us) needs one otherwise, you have no idea of the charge-status of your batteries... and don't just assume that batteries are always fresh with full-charge right out of the package or fresh when shipped/supplied with a battery-operated product. I have owned/used several battery-testing products and this one is by far the most versatile, convenient, quick and easy-to-use. Always TEST (even new) and DATE batteries (mo/'yr with a fine point 'sharpie' pen) at the time batteries are put into service in a device/product. Fortunately, manufacturers are trending towards more rechargeable batteries, but until then we all need our own battery 'tester' to know the charge-status of our batteries. This battery testing product is quick, easy-to-use and accurate... I use mine frequently and I would repurchase.
A**E
Try it you will like it. Dry cle er
Easy to use for just about any type of battery. Small coins to large 9 volt. Very convenient
S**M
Fast tester
Have tested it & works well. Gave 4 stars bc i don't like that the tester itself needs a good battery to work.
C**O
You can trust Amazon product writeups.
Every item met my expectations.
S**G
Everyone needs this!
Do you have a drawer of used batteries that you collect from the holiday decorations? I don't want to store the decorations with the batteries in them so I take them out every year and keep them in a separate bag. Trying to determine which ones have gone bad is very difficult unless you have this tester. This works great! Very simple! Chacks many different types of batteries. This save on buying more batteries before you need to. Even after a battery is "Dead" it's still usually good for something like a calculator for a year or more. Don't recycle them till thet are ready!
J**I
Easy to use
Very handy! Wondering why I did order this sooner. Simple to use for all sizes. Price point is right on.
E**R
It works!
Simple review - this tester does what it’s supposed to do!
Z**Y
Works as advertised
Easy to use
Trustpilot
1 month ago
2 days ago