Digital Battery Tester LCD – AA AAA C D 9V Button Cell

Digital Battery Tester with LCD Display – Know Exactly When to Replace Your Batteries

Stop guessing which batteries still have charge. The Digital Battery Tester with LCD Display gives you an instant, accurate capacity reading for virtually every common household battery type. Whether you're powering TV remotes, flashlights, toys, or smoke detectors, this compact diagnostic tool helps you get the most out of every cell.

Made in Mainland China.

Key Features

• Versatile Compatibility: Tests C, D, N, AA, AAA, 9V (6F22), SR44, and LR44 / 1.55V button cell batteries — all in one handy device.
• Clear LCD Display: The large, easy-to-read LCD screen shows battery capacity at a glance, so you always know which batteries are good to go and which ones need replacing.
• Instant Diagnostics: Simply insert a battery and read the result — no complicated setup, no extra wiring, no technical knowledge needed.
• Compact & Lightweight: At just 45g and measuring 92 × 63 × 14mm, it slips easily into a toolbox, junk drawer, or bag for whenever you need it.
• Built to Last: Durable ABS construction in a sleek silver and black finish holds up to everyday use in any household or workshop environment.
• No Wasted Time or Money: Quickly identify spent batteries before installing them in your devices, saving frustration and unnecessary purchases.

Specifications

• Compatible Battery Types: C, D, N, AA, AAA, 9V (6F22), SR44, LR44 (1.55V button cell)
• Display: LCD
• Material: ABS plastic
• Color: Silver / Black
• Dimensions: 92 × 63 × 14mm
• Weight: 45g
• Power Source: 1.5V cell battery (not included)

Important Notes

• This tester does not support rechargeable batteries or carbon-zinc batteries (marked with the letter "R"). Please verify your battery type before purchasing.
• Please allow 1–3mm measurement variance due to manual measurement methods.
• Screen colors may vary slightly from actual product depending on your monitor settings.

Package Includes

• 1 × Digital Battery Tester (battery not included)

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Learn more: EPA guidance on lithium-ion battery handling

Frequently Asked Questions

Q: What battery types can this digital battery tester check?

A: This battery tester is compatible with C, D, N, AA, AAA, 9V (6F22), SR44, and LR44 / 1.55V button cell batteries. It covers the most common household battery sizes in one convenient tool. Note that it does not support rechargeable batteries or carbon-zinc (R) batteries.

Q: Does the battery tester require batteries to operate?

A: Yes, the tester itself is powered by a 1.5V cell battery, which is not included in the package. You will need to supply one before use.

Q: How do I read the results on the LCD display?

A: Simply insert the battery you want to test into the correct slot, and the LCD screen will instantly display the battery's remaining capacity. The large display makes it easy to read results at a glance, with no technical expertise required.

Q: Is this battery tester compatible with rechargeable batteries?

A: No. This tester is designed for standard alkaline and button cell batteries only. It does not support rechargeable batteries (such as NiMH or NiCd) or carbon-zinc batteries marked with the letter "R." Please check your battery type before purchasing.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.