As per Amazon site: This item is non-returnable

Gardner Bender GBT-500A Analog 1.5 V Button Cell/22.5 Photo/AA/AAA/12 V/9 V/Lantern Cells & More, Leads Battery Tester,14 Range, Black

Gardner Bender GBT-500A Analog 1.5 V Button Cell/22.5 Photo/AA/AAA/12 V/9 V/Lantern Cells & More, Leads Battery Tester,14 Range, Black

Q: will it test a 3 volt button battery?

It can do 1.3-1.5 button cell only. It does have two nodes on the front that are for Lithium 3 volt batteries but it doesn't say "button" type. You charge the 1.5 size button by slipping into a slot on the right side of the charger and pressing that red button you see on the front.

Q: Does the Battery Tester use an internal battery that must periodically be replaced?

No it does not use an internal battery, the meter gets its power from the battery being tested, the better the battery the stronger the test reading. The main purpose of this meter is to give you a general idea of remaining battery life.

Q: Will this test 9volt batteries

Yes. It has 9 test positions, as follows: Button Cell & Zinc Air 1.3V -1.5V, AAA-N & Ni-Cad 1.5V, AA-C-D 1.5V, 22.5V, 15V, 12V, 9V, Photo 6V, Lithium 3V

Product ID: 275566429

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Details

Brand
Gardner Bender
Power source
Battery
Style
14 Battery
Colour
Black
Item weight
0.22 Pounds

⚡Voltage range 1.5V to 22.5V

🔋14 battery types tested

🛠️Includes test leads for precision

Frequently Bought Together

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Description

🔋 Never get caught powerless—test smarter, stay charged!

WIDE VOLTAGE RANGE - Accurately measures batteries from 1.5V up to 22.5V, covering every common type.
ANALOG PRECISION METER - Instant, easy-to-read analog display for quick battery health checks.
PORTABLE LIGHTWEIGHT - Compact 99.8g design fits perfectly in your toolkit or drawer.
READY TO USE TEST LEADS - Includes durable leads for hassle-free, precise battery testing anytime.
UNIVERSAL BATTERY COMPATIBILITY - From tiny button cells to lantern batteries, test them all with one device.

The Gardner Bender GBT-500A is a versatile analog battery tester designed to check the charge status of 14 common battery types, ranging from 1.5V button cells to 22.5V photo and lantern batteries. Featuring a clear analog meter and included test leads, it offers quick, reliable diagnostics in a compact, lightweight form factor—perfect for professionals and DIYers who demand accuracy and convenience.

Specifications

Manufacturer	Actuant
Part number	GBT-500A
Item Weight	99.8 g
Product Dimensions	3.81 x 6.35 x 9.65 cm; 99.79 g
Item model number	GBT-500A
Size	No Size
Color	Black
Style	14 Battery Range
Material	Plastic
Shape	Shape
Power source type	Battery Powered
Voltage	12 Volts
Item Package Quantity	1
Specification met	RoHS
Included components	Rough Electrical^battery-testers
Batteries Included?	No
Batteries Required?	No
Battery Cell Type	Alkaline

Have a Question? See What Others Asked

will it test a 3 volt button battery?

Does the Battery Tester use an internal battery that must periodically be replaced?

Will this test 9volt batteries

is this returnable?

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