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A hand holds a black battery tester device with a red button and a gold battery cell inserted.
A black universal battery tester device showing various voltage settings and battery models.
Black battery tester model BT-168 showing a voltage reading and battery cells.
Black universal battery tester device showing various battery cell indicators
Black battery tester model BT-168 showing voltage readings and battery replacement indicators.
A black battery tester device labeled Model BT-168 showing various voltage settings and supported battery models.
A hand holds a black battery tester device with a red indicator and a battery cell inserted.
Black battery tester device showing various battery types and voltage readings.
Black battery tester device with settings for various batteries and loads
Black battery tester device with a red test clip and indicator lights for various cell types
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Universal Battery Tester for AA, AAA, C, D, 9V & Button Cells

Regular price $14.99 Sale price $12.99

Why customers love it

Never guess which batteries are worth keeping again

This compact, color-coded tester instantly checks the power level of all common household batteries, saving you money and reducing waste.

  • Compatible with AA, AAA, C, D, 9V, and 1.5V button cell batteries
  • Easy-to-read color-coded meter: green for good, yellow for low, red for replace
  • Simple two-contact design — just place the battery and get an instant reading
  • No power source or battery required — the tester is activated by the battery being checked
  • Compact and lightweight, perfect for home, office, or on-the-go use
A hand holds a black battery tester device with a red button and a gold battery cell inserted.

Why you'll love it

Works with all common batteries

Compatible with AA, AAA, C, D, 9V, and 1.5V button cell batteries, so you can test nearly every battery in your home.

Instant color-coded results

The easy-to-read meter shows green for good, yellow for low, and red for replace — no guesswork needed.

No power source required

The tester is activated by the battery being checked, so it needs no batteries or power source of its own.

Save money and reduce waste

Check which batteries are still worth keeping and avoid tossing usable ones — perfect for sorting through household battery drawers.

Setup

How it works

No electrician, no wiring, no fuss.

  1. Place the battery

    Position the battery on the tester's two contacts, matching the correct slot for its size and type.

  2. Get an instant reading

    The simple two-contact design delivers an immediate reading — no power source or battery required.

  3. Check the color-coded meter

    Green means good, yellow means low, and red means replace — so you know at a glance whether to keep or recycle.

Specs

The details that matter

Built to last outdoors, season after season.

Battery types
AA, AAA, C, D, 9V, 1.5V button cell
Meter
Color-coded (green, yellow, red)
Model
BT-168
Casing
Black

Our worry-free shopping promise

If your order arrives damaged, defective, or not as described, contact us within 14 days and we will make it right with a replacement or refund.

Frequently asked questions

Everything you might want to know before you order.

Which battery types can this tester check?

This tester is compatible with AA, AAA, C, D, 9V, and 1.5V button cell batteries, covering nearly all common household sizes.

How do I read the results?

The color-coded meter shows green for good, yellow for low, and red for replace, so you can tell at a glance whether a battery is worth keeping.

Does the tester need its own battery or power source?

No — the tester is activated by the battery being checked, so it requires no power source or battery of its own.

How do I use the tester?

Simply place the battery on the two contacts and get an instant reading — no complicated setup is needed.

Is it portable?

Yes, the tester is compact and lightweight, making it perfect for home, office, or on-the-go use.

Shipping & returns

Shipping

  • Delivers to United States (based on your selected country/region).
  • Estimated delivery: 3–15 business days after dispatch.
  • Shipping cost: Free.

Returns

You can request a return within 14 days after delivery. Standard returns have a €4.00 EUR (approximately $4.66 USD) flat-rate return shipping fee, deducted from your refund. Return shipping is free for items that arrived damaged, defective, or incorrect. Items should be unused and in original packaging where possible. Contact us before sending anything back.