Universal Battery Voltage Tester for AA AAA C D and 9V Batteries with Color Power Meter

Never guess whether a battery still has life left. This compact battery voltage tester gives you instant, easy-to-read results for most household batteries, helping you save money and avoid unnecessary replacements. Just insert the battery and read the color indicator—no power source or setup required.

Product Overview

Designed for everyday convenience, this universal battery tester works with common battery sizes including AA, AAA, C, D, 9V, and button cell batteries. The built-in color power meter clearly shows battery strength at a glance, making it perfect for home, office, workshop, or travel use.

Key Features

• Works with AA, AAA, C, D, and 9V batteries

• Supports 1.5V lithium and button cell batteries

• Color-coded power meter for quick readings

• No batteries required to operate

• Compact, lightweight, and easy to store

• Simple slide-in testing design

Why Choose This Battery Tester

Unlike digital testers that require their own power source, this tool is always ready to use. Its clear color display removes guesswork, making it ideal for checking batteries before installing them in remotes, toys, flashlights, or emergency devices.

Perfect For

• Household battery checks

• Office and workplace use

• Emergency preparedness kits

• DIY electronics and tools

Size Guide and Specifications

• Length: 4.33 in

• Width: 2.36 in

• Depth: 1.63 in

• Height: 0.99 in

Compatibility

• AA

• AAA

• C

• D

• 9V

• 1.5V lithium and button cell batteries