This tester is one of those products that once you have it, you won't know how you lived without it. If you use CR123A batteries for your flashlights, wireless sensors, or other electronic devices, you will love this compact tester from Rexford Tools. Simply pop in your CR123A battery and the display quickly indicates the battery's exact voltage level. If your job requires you to install or service wireless devices such as motion sensors or door contacts, this tool is the perfect companion for troubleshooting devices that are not working properly.
One of our favorite things about this product is that the manufacturer is using 3D printed housings. In addition to looking awesome, it is also extremely rugged!
In addition to CR123A batteries, this product will also test IMR 18350, RCR123A, and any other batteries that share the same physical size as a CR123A battery (up to 6VDC).
Features:
Great for Troubleshooting Sensors
Quickly & Easily Find Low Batteries
Avoid the Costly Replacing of Batteries Prematurely
High-Quality 3D Printed Housing
Reverse Polarity Detection
Made in the USA
One Year Warranty (Handled through Tech Tool Supply)
Specifications:
Compatible Battery Types: CR123A, RCR123A, IMR 18350
Operating Temperature: 14F~149F // -10C~65C
Voltage Input Range: 2.5VDC-6VDC
Accuracy: +/- 1%
Display Refresh Rate: 200ms
Display Color: Red
Positive Contact Type: Button Top (Only)
Housing Material: PLA Plastic
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simple battery tester 
