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Overview

The Gardner Bender GBT-3502 Analog Battery Tester provides a fast and accurate way to check the power level of almost any household battery. With an extendable arm design, clear analog indicator, and wide compatibility, it ensures you always know which batteries are good, weak, or need replacing.

Gardner Bender GBT-3502 Analog Battery Tester – Universal Household Battery Checker for AA AAA C D 9V Button Cell & N Batteries, Easy-Read Display, Extendable Arm, Red

Model: GBT-3502
Web Code: 19615288
Sold and shipped by | 2.0 seller rating (2 reviews)

Available for deliveryAvailable online only

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Seller Return Policy

Warranty

Check with the manufacturer for details.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

Make battery testing simple and reliable with the Gardner Bender GBT-3502 Household Analog Battery Tester, a universal solution designed for everyday use at home, in workshops, garages, and offices. Whether you’re checking batteries in remote controls, toys, flashlights, clocks, or handheld devices, this tester provides instant, easy-to-read results to help you avoid waste and save money.

Built with a clear analog color-coded display, the GBT-3502 allows you to quickly determine battery condition—Green for “Good,” Yellow for “Low,” and Red for “Replace.” This intuitive interface ensures that anyone can understand the readings without technical knowledge.

The tester features an extendable arm, allowing it to comfortably fit and test a wide range of battery sizes. It is compatible with AA, AAA, C, D, 9V, 1.5V button cells, and N batteries, making it one of the most versatile battery testers for household use. Whether you’re dealing with small watch batteries or full-size household batteries, this tool delivers accurate, consistent results.

No power source is required—the battery being tested supplies the energy needed for measurement, making the tester reliable, portable, and convenient. Its compact, handheld design makes it easy to store in a drawer, toolbox, or emergency kit.

Crafted with durability and practicality in mind, the GBT-3502 replaces the previous GBT-502A model with improved ergonomics and better readability. Its lightweight build and sturdy construction make it a long-lasting tool that every household should have.

Perfect for families, technicians, hobbyists, and anyone wanting to reduce battery waste, this tester ensures you only replace batteries when necessary—saving you time and money.

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Product Condition
Brand New

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.

Shipping Charges

Free standard shipping on all orders.

Processing Time

Most items ship within 2 business days after an order is placed*. Allow additional time for shipping to your address.
*Please note: If an item you ordered becomes unavailable, you'll be notified and a full refund will be processed within 2 business days.

Shipping Area Restrictions

Shipping is not available in the following areas*:
  • No restrictions in Canada
*Please note: Shipping area restrictions may vary for large items. If an item can't be shipped to your address, we'll let you know during the checkout process.