Magnetic Battery Tester for AA AAA LR44 LR41 CR2032 1.5V 3V 3.7V Batteries

✅ In stock 📉 Price recently dropped

Grade

🙂 Fair Price

52.57/100

Current Price

$7.99

Listed $8.49

Save $0.50 6% OFF

Analysis Confidence 100%

⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.

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Price verified Sep 2, 2026 8:59 PM · Prices & availability subject to change

Is This a Good Price on Amazon?

🙂 Fair Price

🙂Verdict: Fair Price. Small discount vs history. Consider waiting for a better drop.
💰The price is modestly below what this product ordinarily sells for.
🏷️The listed retail price is trimmed by 6% at checkout.
📉Going back roughly eight months, a more competitive price has not appeared — this stands out as a strong value by recent standards.
📈The direction is downward at the moment; if that holds, an even better price may surface — though timing the market is never certain.

How We Scored This Deal

Price Competitiveness 5.97/28

Recent Value 5.74/22

Market Standing 17.86/20

Deal Strength 13/20

Momentum 10/10

📝 Product Overview

🏪 Sold by JW Photography Accessory

📦 Fulfillment Fulfilled by Amazon

🚚 Shipping Free Shipping

Product Details

✓Please Note: We do not recommend using batteries that are too small, there may be shaking at both ends of the tester, but it does not affect normal use.; Before testing, please adjust the contact position between the battery and the magnetic suction port of the tester to ensure good contact; Do not stack two or more batteries for testing; The voltage of the battery does not exceed 5.5V; NOT Compatible with 9 V batteries.

✓Compatibility: This AA and AAA battery tester is compatible with 1.5V 3V and 3.7V batteries, including AA AAA C D CR2032 LR44 LR41 LR43 A76 CR2025 CR1632 CR1616 CR2450 CR1225 18650 14500 16340 etc. Before testing, please check if your battery is compatible with the battery tester.

✓Quickly Check Lower Voltage Batteries: There are three indicator lights on the battery checker, which can quickly identify three battery states. Three lights on indicates good battery condition, two lights on indicates low battery, and one light on indicates that the battery needs to be replaced or charged. Note: When testing, if one or two lights flash back and forth, meaning your battery is almost depleted and the tester can't accurately test the battery level.

✓Magnetic & Easy Testing: It features a magnetic design and can magnetically attach to the two poles of the battery. Test method: gently push the voltage button to the corresponding gear of your battery, then align the positive and negative poles of the battery with the positive (red) and negative (black) poles. The remaining battery level can be displayed through the indicator light.

✓Compact and Portable: The battery tester is made of ABS material, lightweight and durable. Its compact size and magnetic design make it easy to carry, fitting effortlessly into pockets or backpacks, and it can also be attached to a keychain for added convenience.

✓Ideal Battery Helper: The portable battery tester is an ideal companion whether it's for household remote control, children's toys, flashlights,or portable electronic devices, the tester makes it easy to monitor your battery power levels at any time. It reminds you to replace the battery in a timely manner, let your device has no battery crisis. (Requires No Battery for Operation)