Ensure your devices stay powered and your electrical equipment is safe to operate with the nVent GARDNER BENDER GBT-500A Analog Battery Tester. This essential tool for any home or professional workshop removes the frustration of "dead" batteries by providing clear, instant results across 14 different battery types. The GBT-500A is engineered for maximum versatility, featuring a wide voltage rating of 1.5V to 22.5V. Whether you are checking standard 1.5V AAA, AA, C, or D alkaline batteries, 1.25V Nickel-Cadmium (Ni-Cd) rechargeables, or specialized 3V Lithium and 22.5V photo cells, this tester handles them all with precision. The easy-to-read selector switch and vibrant color-coded "Good/Replace" indicator mean you will never have to wonder if a battery has enough juice left to power your critical devices. Designed with user convenience in mind, the unit features front-facing positive and negative contact posts specifically for rapid 9V battery checks. For smaller, more delicate batteries, the integrated button cell retainer holds the battery securely in place during the test. For everything else, the included test leads provide the reach and flexibility needed for awkward terminals or larger lantern cells. Compact, durable, and incredibly simple to use, the nVent GARDNER BENDER GBT-500A is the definitive solution for battery maintenance and electrical troubleshooting. (Formerly known as Gardner Bender).

• VERSATILE 14-BATTERY RANGE - Extensively tests 1.5V Button cells, 1.5V AAA, N, AA, C, D cells, 1.25V Ni-Cd rechargeable cells, 3V Lithium cells, 6V Lantern/photo cells, 9V Rectangular, 12V, 15V Photo cells, and 22.5V Photo/lantern cells.
• EASY-TO-READ INDICATOR - Features a clear analog display with a color-coded "Good/Replace" indicator and a simple selector switch, allowing you to instantly identify the remaining power levels of your household and specialty batteries.
• DEDICATED 9V CONTACT POSTS - Designed for efficiency with integrated positive and negative contact posts located directly on the front of the tester, enabling quick and easy 9V battery checks without hassle.
• SECURE BUTTON CELL RETAINER - Includes a handy button cell retainer that holds small batteries firmly in place during the testing process, ensuring accurate readings and preventing slips for these difficult-to-handle sizes.
• PACKAGING NOTICE – This product may arrive with packaging labeled Gardner Bender as branding transitions to nVent GARDNER BENDER. Product design, specifications, and quality remain unchanged during this rollout.
• INCLUDES EXTERNAL TEST LEADS - This comprehensive battery testing tool comes equipped with test leads to facilitate easy testing for various battery shapes and sizes, ensuring you have the right connection for every terminal.
• WIDE VOLTAGE RATING - Engineered for professional and DIY electrical projects, this unit supports a wide voltage rating from 1.5V to 22.5V, making it an essential addition to your test instruments and indicators collection.
• QUICK AND EASY TO USE - Eliminate the guesswork from your electronics and tools; this analog tester provides a fast, reliable assessment of battery health so you can ensure your equipment is properly installed and safe to operate.
• DURABLE ANALOG DESIGN - Built for longevity in your toolbox, this black analog tester offers a rugged and portable solution for checking battery life in your home, workshop, or professional job site.