BT-168 Universal Battery Tester – AA AAA C D 9V Button Cell

BT-168 Universal Battery Tester – Know Your Battery Status at a Glance

Stop guessing whether your batteries are dead or still have life left. The BT-168 Universal Battery Tester is a compact, easy-to-use voltage checker that works with virtually every standard and rechargeable household battery type — including AA, AAA, C, D, 1.5V, 9V, and button cell batteries. Made in Mainland China.

Why You'll Love This Battery Tester

• No Batteries Required to Operate: The tester is powered entirely by the battery being tested — no extra batteries needed, ever.
• Color-Coded Analog Display: The easy-to-read needle sweeps across a color-coded scale: Green = Good, Yellow = Low, Red = Replace/Recharge. Results in seconds.
• Universal Compatibility: Tests AA, AAA, C, D, 1.5V, 9V, and button/coin cell batteries — both standard alkaline and rechargeable types.
• Compact & Lightweight: Slim, pocket-sized design makes it easy to store in a junk drawer, toolbox, or travel bag.
• Save Money & Reduce Waste: Quickly identify which batteries still have plenty of charge so you stop throwing away good batteries — better for your wallet and the environment.
• Simple to Use: No settings, no menus, no complexity. Press the battery against the correct contacts and read the result instantly.

Specifications

• Model: BT-168
• Battery Types Supported: AA, AAA, C, D, 1.5V, 9V, Button/Coin Cell
• Display Type: Analog needle with color-coded scale
• Power Source: Self-powered (no external batteries required)
• Type: Household Battery Tester
• Country of Origin: Made in Mainland China

Perfect For

• Home use — remotes, clocks, toys, smoke detectors
• Testing rechargeable battery packs before long trips
• Workshop or garage battery organization
• Anyone who regularly uses batteries and wants to avoid waste

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For more information on responsible battery disposal and recycling, visit the U.S. EPA's guide on used household battery recycling.

Frequently Asked Questions

Q: What battery types does the BT-168 universal battery tester support?

A: The BT-168 battery tester is compatible with AA, AAA, C, D, 1.5V, 9V, and button/coin cell batteries — both standard alkaline and rechargeable varieties. It's a truly universal household battery tester.

Q: Does the BT-168 battery tester need its own batteries to work?

A: No! The BT-168 is self-powered — it draws just enough current from the battery being tested to move the analog needle display. You never need to install or replace batteries in the tester itself.

Q: How do I read the results on the BT-168 color battery tester?

A: Simply press your battery against the appropriate contacts and watch the analog needle. A reading in the green zone means the battery is good, yellow means it's running low, and red means it should be replaced or recharged. The color-coded scale makes it effortless to understand at a glance.

Q: Can the BT-168 battery tester measure exact battery capacity or milliamp-hours (mAh)?

A: The BT-168 measures battery voltage to give you a quick Good/Low/Replace status reading. It is not designed to measure precise battery capacity in mAh — it's intended as a fast, practical household battery checker rather than a laboratory-grade instrument.