---
product_id: 4721361
title: "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 Battery Range, Black"
brand: "gardner bender"
price: "₨9066"
currency: LKR
in_stock: true
reviews_count: 10
category: "Gardner Bender"
url: https://www.desertcart.lk/products/4721361-gardner-bender-gbt-500a-analog-1-5-v-button-cell
store_origin: LK
region: Sri Lanka
---

# Load current matched per battery Precise analog voltage readout 14 battery types tested 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 Battery Range, Black

**Brand:** gardner bender
**Price:** ₨9066
**Availability:** ✅ In Stock

## Summary

> 🔌 Power up your confidence—know your batteries like a pro!

## Quick Answers

- **What is this?** 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 Battery Range, Black by gardner bender
- **How much does it cost?** ₨9066 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/4721361-gardner-bender-gbt-500a-analog-1-5-v-button-cell)

## Best For

- gardner bender enthusiasts

## Why This Product

- Trusted gardner bender brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Trusted Longevity:** A cult favorite for over 20 years, this tester is the go-to tool for pros and enthusiasts who demand reliability and accuracy.
- • **Complete Testing Kit:** Includes robust test leads and coin battery probes for effortless, versatile battery diagnostics wherever you are.
- • **Load-Adjusted Testing:** Nine switch positions tailor the load current to battery type, ensuring accurate, real-world performance readings—not just idle voltage.
- • **Durable Analog Precision:** Classic analog meter delivers exact voltage under load, giving you trusted, easy-to-read results every time.
- • **Universal Battery Compatibility:** Tests everything from tiny 1.5V button cells to hefty 22.5V lantern batteries—never guess again if your power source is ready.

## Overview

The Gardner Bender GBT-500A is a professional-grade analog battery tester designed to accurately assess 14 different battery types, from 1.5V button cells to 22.5V lantern batteries. Featuring nine load settings matched to battery size and type, it provides precise voltage readings under real-use conditions. Equipped with test leads and coin probes, this durable tester has been a trusted tool for over two decades, delivering reliable, easy-to-interpret analog results for both alkaline and rechargeable batteries.

## Description

Product Description Analog Battery Tester. Tests all common batteries to determine if they are charged or need replacement. Tests from 1.5 V button cells to 22.5 V photo cells. Includes test leads for easy testing. From the Manufacturer Analog Battery Tester. Tests all common batteries to determine if they are charged or need replacement. Tests from 1.5 V button cells to 22.5 V photo cells. Includes test leads for easy testing.

Review: Covers all battery types, simple to use, exact analog reading. Buy 2! - This is hands down the best and only full function all battery tester. With an analog read out, battery contacts on device, coin batteries probes etc you can't get better. You can test alkaline as well as rechargeables. I had one of these for almost 20 years and never let me down. I lost it and was so happy when I was able to find the same model about the same price from back when I got the first I had. I would say if you do battery testing, especially rechargeable, alkaline etc you owe it to yourself to purchase one of these and always know an exact amount of juice left. 500 star rating.
Review: Best one I've seen for anywhere NEAR the price - Edited 12/10/15 to fix some typos. Thanks for kind comments! Edited 12/12/20 as some reviewers claimed this doesn't test under load. It does! Turns out they posted to the wrong device! I also added a small information bit to help some readers better understand a few electrical terms I use. REVIEW This is a very nice analog tester. It has a quality feel, and test leads that appear likely to hold up to long use. I've bought 7 so far, 3 for me and the others as little gifts. (I dont accept payments for reviews). It handles a very wide range of batteries. I am very pleased with mine, especially at its low price. There are incredibly cheap testers available on desertcart, but they lack the ability to appropriately load the battery being tested. Here's what I mean. A battery tester works by putting a load on a battery and measuring the voltage at the battery terminals. The reason is that this voltage, measured with a good voltmeter that draws almost no current, changes little as the battery wears out. What does change is that the battery's internal resistance increases, which wastes energy, and the amount of chemicals available to generate current decreases. By putting a load on the battery, the meter can see whether the battery is still able to do its job. This tester has 9 switch positions which set it to select a reasonable load and voltage range for a battery type, giving you a much more reliable test than a plain voltmeter can. See the table below. Notice that there are 3 different current drain settings for 1.5 V batteries. These are chosen to roughly match their normal use; 1 mA for tiny button cells used for watches, 50 mA for AAA batteries, used for remote controls, and 150 mA for AA or bigger C and D batteries used for flashlights, etc. If a tester draws too much current, it can deplete the battery just by testing it, and a battery tested at too little load may test Good yet not work in your device. Understanding this, this tester is still very useful in sorting through batteries, even if your device uses an unusually high or low amount of current. Digital cameras, for example, draw a lot of current for a few seconds when they are recharging their flashes; the internal resistance of ordinary batteries wastes power, giving them short useful lives. Yet they can last for years in a low-drain steady application like a clock. So you need to use your judgement. If you find that batteries test good but only move the tester needle a little above the bottom of the green range will not work in your device, yet you might be able to use them in something else for a while. SPECIFICATIONS (from supplied manual) Range..............................Load Current.........Minimum Voltage for ......................................Drain...................GOOD Indication Button Cell 1.5V.................1 mA...................1.125V +/- 0.0W AAA-N-1.5V.......................50 mA.................1.125V +/- 0.09V AA-C-D-1.5V.....................150 mA................1.125V +/- 0.09V Lithium 3V..........................1 mA..................2.25V +/- 0.18V 6V...................................10 mA.................4.50V +/- 0.36V 9V...................................10 mA.................6.75V +/- 0.54V 12V.................................10 mA..................9.00V +/-0.72V 15V.................................10 mA..................11.25V +/- 0.90V 22.5V...............................10 mA.................16.875V +/- 1.35V Sorry about the formatting. Some desertcart doofus decided it would be nice to strip out all my tabs and extra spaces. Try landscape view if you can. On second thought, maybe I should not have called her a doofus. I am told desertcarts are pretty tough ladies! Maybe they just wanted me to use up all my punctuation marks so I'd have to order a new box of periods! :-)

## Features

- Analog Battery Tester
- Includes test leads for easy testing
- Tests all common batteries to determine if they are charged or need replacement

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000BOBZJ0 |
| Batteries Included? | No |
| Batteries Required? | No |
| Battery Cell Type | Alkaline |
| Brand | Gardner Bender |
| Color | Black |
| Customer Reviews | 4.6 4.6 out of 5 stars (4,942) |
| Date First Available | November 4, 2005 |
| Global Trade Identification Number | 00032076016869 |
| Included Components | Rough Electrical^battery-testers |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Item Weight | 3.52 ounces |
| Item dimensions L x W x H | 1.5 x 2.5 x 3.8 inches |
| Item model number | GBT-500A |
| Manufacturer | Actuant |
| Material | Plastic |
| Measurement Type | Voltmeter |
| Min. Operating Voltage | 1.5 Volts |
| Part Number | GBT-500A |
| Power Source | Battery Powered |
| Product Dimensions | 1.5 x 2.5 x 3.8 inches |
| Size | No Size |
| Style | 14 Battery Range |
| UPC | 032076016869 |
| Voltage | 12 Volts |
| Warranty Description | Warranty |

## Product Details

- **Brand:** Gardner Bender
- **Color:** Black
- **Item Weight:** 0.22 Pounds
- **Power Source:** Battery Powered
- **Style:** 14 Battery Range

## Images

![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 Battery Range, Black - Image 1](https://m.media-amazon.com/images/I/61JqrSLNPBL.jpg)

## Available Options

This product comes in different **Color, Size, Style** options.

## Questions & Answers

**Q: will it test a 3 volt button battery?**
A: 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?**
A: 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**
A: 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

**Q: is this returnable?**
A: As per Amazon site:  This item is non-returnable

## Customer Reviews

### ⭐⭐⭐⭐⭐ Covers all battery types, simple to use, exact analog reading. Buy 2!
*by D***. on July 14, 2025*

This is hands down the best and only full function all battery tester. With an analog read out, battery contacts on device, coin batteries probes etc you can't get better. You can test alkaline as well as rechargeables. I had one of these for almost 20 years and never let me down. I lost it and was so happy when I was able to find the same model about the same price from back when I got the first I had. I would say if you do battery testing, especially rechargeable, alkaline etc you owe it to yourself to purchase one of these and always know an exact amount of juice left. 500 star rating.

### ⭐⭐⭐⭐⭐ Best one I've seen for anywhere NEAR the price
*by D***B on March 15, 2012*

Edited 12/10/15 to fix some typos. Thanks for kind comments! Edited 12/12/20 as some reviewers claimed this doesn't test under load. It does! Turns out they posted to the wrong device! I also added a small information bit to help some readers better understand a few electrical terms I use. REVIEW This is a very nice analog tester. It has a quality feel, and test leads that appear likely to hold up to long use. I've bought 7 so far, 3 for me and the others as little gifts. (I dont accept payments for reviews). It handles a very wide range of batteries. I am very pleased with mine, especially at its low price. There are incredibly cheap testers available on Amazon, but they lack the ability to appropriately load the battery being tested. Here's what I mean. A battery tester works by putting a load on a battery and measuring the voltage at the battery terminals. The reason is that this voltage, measured with a good voltmeter that draws almost no current, changes little as the battery wears out. What does change is that the battery's internal resistance increases, which wastes energy, and the amount of chemicals available to generate current decreases. By putting a load on the battery, the meter can see whether the battery is still able to do its job. This tester has 9 switch positions which set it to select a reasonable load and voltage range for a battery type, giving you a much more reliable test than a plain voltmeter can. See the table below. Notice that there are 3 different current drain settings for 1.5 V batteries. These are chosen to roughly match their normal use; 1 mA for tiny button cells used for watches, 50 mA for AAA batteries, used for remote controls, and 150 mA for AA or bigger C and D batteries used for flashlights, etc. If a tester draws too much current, it can deplete the battery just by testing it, and a battery tested at too little load may test Good yet not work in your device. Understanding this, this tester is still very useful in sorting through batteries, even if your device uses an unusually high or low amount of current. Digital cameras, for example, draw a lot of current for a few seconds when they are recharging their flashes; the internal resistance of ordinary batteries wastes power, giving them short useful lives. Yet they can last for years in a low-drain steady application like a clock. So you need to use your judgement. If you find that batteries test good but only move the tester needle a little above the bottom of the green range will not work in your device, yet you might be able to use them in something else for a while. SPECIFICATIONS (from supplied manual) Range..............................Load Current.........Minimum Voltage for ......................................Drain...................GOOD Indication Button Cell 1.5V.................1 mA...................1.125V +/- 0.0W AAA-N-1.5V.......................50 mA.................1.125V +/- 0.09V AA-C-D-1.5V.....................150 mA................1.125V +/- 0.09V Lithium 3V..........................1 mA..................2.25V +/- 0.18V 6V...................................10 mA.................4.50V +/- 0.36V 9V...................................10 mA.................6.75V +/- 0.54V 12V.................................10 mA..................9.00V +/-0.72V 15V.................................10 mA..................11.25V +/- 0.90V 22.5V...............................10 mA.................16.875V +/- 1.35V Sorry about the formatting. Some Amazon doofus decided it would be nice to strip out all my tabs and extra spaces. Try landscape view if you can. On second thought, maybe I should not have called her a doofus. I am told Amazons are pretty tough ladies! Maybe they just wanted me to use up all my punctuation marks so I'd have to order a new box of periods! :-)

### ⭐⭐⭐⭐⭐ Fun involves a needle and works one-handed.
*by G***E on December 16, 2023*

Love the look. Huge fan of analog, not least in this case because it doesn't need batteries of its own. For size, unit is about the size of a soda can and the metal contacts on the front are spaced for 9v batteries, but the rotating dial is what ultimately determines the reading (and actual 9v batteries need to be at an angle to fit, as I've just learned, though the spacing looks correct at least). The marked panel around the dial has a matte finish. The red button is a neat thing for testing coin cells so you don't have to hold them in your mouth. The unnecessary kickstand on the back has 2 lugs at the bottom but only 1 engages to provide retention and a satisfying click. The wires are nice and pliable but lack any strain relief on either end. Notably, the probes are not quite long enough to reach all the way into a 1/4in jack, much to my chagrin, but they fit strangely well in XLR female plugs. The probes also appear too short to reach most internal organs. If you probe the battery backwards, the needle quietly crashes into the side, but mine has not taken any kind of set--if it does, I shall probe batteries in series to correct it. I have used this unit to test continuity for cables and it's obviously not the best but it worked for me. Can't do that with other testers I've seen unless you have some wire and a lot more patience than with this. Lots of settings but I use it mainly for 1.5v for rough matching. It's easy to use 1-handed by substituting a face contact for a probe, and even if you're not dextrous enough to 1-hand it, it cuts down on having to keep a battery from slipping between 2 probes. This also means the face contacts (allegedly for 9v batteries although they don't work perfectly for that) could fill in for a broken lead or 2 if you just attach wire to them. Otherwise the back is held in place by the imperative "DO NOT REMOVE THIS CABINET COVER" and 1 Phillips screw. For the record, I haven't done anything and don't know nothing about "NO USER SERVICEABLE PARTS". When I somehow break this I'll probably buy a new one or just use a multimeter and hopefully never see such a can on the road again.

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-03-04*