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
Quick take
The Gardner Bender GBT-500A is an analog, lead-style battery tester meant for quick checks across many common battery types, including 1.5 V button cells, AA/AAA, 9 V, and up to 22.5 V photo cells. It appeals to shoppers who want simple, readable “good or not” style testing without extra features. The main caveat is that the lettering can be small for some eyes.
Pros and cons
Pros
- Analog design focused on straightforward pass or fail style battery checking.
- Uses test leads, making it easier to test different shapes and sizes beyond flat terminals.
- Wide testing coverage, spanning 1.5 V button cells to 22.5 V photo cells (14 battery range).
- Many buyers describe it as easy to use and “basic” in a good way.
Cons
- Markings can be hard to read, especially for shoppers with smaller print visibility needs.
- If you prefer modern, screen-based or app-based testers, you may find it too simple.
What buyers think
Buyer-review evidence points to a consistent theme: people like the GBT-500A when they want an analog tester that gets to the point. Multiple reviews highlight easy operation, versatile coverage for household batteries, and the ability to test more than just the most common sizes. Many users also mention that it feels solid and that the leads support practical day-to-day testing. The clearest recurring limitation is readability, with at least some buyers noting the lettering is small. Overall, buyer feedback supports the idea that this model is a good fit for straightforward battery triage at home, rather than advanced diagnostics.
What it is, and what it tests
The Gardner Bender GBT-500A is a voltmeter-style analog battery tester. Instead of relying on a digital screen to interpret charge, it guides you through testing a broad set of battery types using its analog readout plus included test leads. The unit is described as able to test common batteries across a 14 battery range, from 1.5 V button cells and AA/AAA-style batteries up to 12 V/9 V lantern or similar cells, and also 22.5 V photo cells.
Key features that matter for real use
Analog readout for quick checking
If you want something you can grab and use without menus or software, an analog tester is often the appeal. Reviews repeatedly describe it as “old school” and easy to operate, focused on confirming whether a battery is still usable.
Test leads add flexibility
Test leads make it easier to test batteries where snap-on contacts may not work as well, and they can help with coverage across different form factors. Several buyer comments emphasize the tester’s versatility, including button batteries and “odd sized” cells.
Broad voltage coverage (14 battery range)
For households with mixed devices, the practical value is having one tester that can handle more than one category of batteries. The product is designed to cover batteries from 1.5 V button cells to 22.5 V photo cells, plus other commonly used sizes in the middle.
Pros and cons in plain terms
When the GBT-500A is a strong choice
- You want a simple analog battery tester for home use, not a more complex digital model.
- You need one tester for multiple battery types (including button cells and a wider voltage range).
- You prefer test leads for flexibility when checking different battery shapes.
When you might want to look elsewhere
- You have trouble reading small analog markings and would prefer a larger, clearer digital display.
- You specifically want a tester with more modern conveniences or richer display outputs, beyond basic charged versus needs replacement guidance.
Verdict: is it worth it?
The Gardner Bender GBT-500A is a practical pick for shoppers who value simplicity and broad at-home battery compatibility. It stands out most for users who want an analog tester that is easy to use and handles a wide range of battery types with test leads. If you know you will struggle with small lettering, or you want a more digital, screen-driven experience, that readability limitation may be enough reason to choose a different style.
How it compares to other battery tester styles (what to consider)
Because no specific competitor models are listed here, it helps to compare by category fit:
- Analog testers like this one: best for fast, simple checks and shoppers who do not need detailed digital readouts.
- Digital testers: consider if you want easier-to-read numbers or more guided interpretation, especially if analog markings are a concern.
- Specialty testers: consider if your main batteries are a narrow range (for example, only AA/AAA) and you want maximum precision for that one set.
FAQs
What types of batteries can the Gardner Bender GBT-500A test?
It’s designed for a 14 battery range, including 1.5 V button cells, common household batteries like AA/AAA, lantern-style cells around 9 V/12 V, and up to 22.5 V photo cells.
Does it use test leads or direct contacts?
This model includes test leads, which can make it easier to test a wider variety of battery shapes and sizes.
Is the analog display easy to read?
Some buyers find it easy to use, but others note the lettering can be small. If you need larger print, consider that as a potential drawback.
Is this tester good for home use?
Based on buyer feedback, it’s well-suited for routine home battery checking, especially when you want a straightforward “usable or not” type of check without extra features.
Should I buy this if I prefer digital battery testers?
If you want digital readouts or more guided interpretation, you may prefer a digital-style tester. The GBT-500A is better aligned with shoppers who prefer simple analog testing.
Specifications
| Product 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 |
|---|---|
| Category | Electronics > Household Batteries, Chargers & Accessories > Battery Testers |
| Brand | Gardner Bender |
| Manufacturer | Actuant |
| Color | Black |
| Item Weight | 3.52 ounces |
| Power Source | Battery Powered |
| Minimum Operating Voltage | 1.5 Volts |
| Measurement Type | Voltmeter |
| Style Name | 14 Battery Range |
| Item Dimensions | 1.5 x 2.5 x 3.8 inches |
| Brand Name | Gardner Bender |
| Model | GBT-500A |
| UPC | 032076016869 |
| Warranty Description | Warranty |
| Global Trade Identification Number | 00032076016869 |
| Part Number | GBT-500A |
| Included Components | Rough Electrical^battery-testers |
| Item Type Name | Battery Tester |
| Unit Count | 1.0 Count |
| Style | 14 Battery Range |
Available variants
Color
- Red
- Black
Size
- Pack of 1
- Pack of 2
- No Size
Style
- 7 Battery Range
- 14 Battery Range
Recommended next
Battery Tester Checker, Seven Type Universal Battery Checker for C AA AAA D N 9V (6F22) and 1.5V Button Cell Household Batteries
This compact, universal battery tester is designed to quickly check the voltage state of common household batteries (C, AA, AAA, D, N, 9V, and 1.55V button cells). Buyers like how easy it is to use and report readings that match a multimeter, but evidence is limited on every battery type, especially the button cell slot.
Amprobe - 4589825 BAT-250 Battery Tester
The Amprobe BAT-250 is a simple, easy-to-read battery tester for household standard batteries and rechargeable cells. It uses a built-in load approach (not just voltage) and gives color-coded Good, Low, and Replace/Recharge results, with support for 9V, AA, AAA, C, and D types plus 1.5V button cells. It is lightweight and quick to use, but it is not designed for heavy, drop-proof everyday abuse, and a basic voltage multimeter cannot replace its loaded test.
2Pcs Battery Tester Checker, Universal Battery Checker for AA AAA review
A simple, self-powered analog battery tester for AA, AAA, C, D, 1.5V button cells, and 9V batteries. It’s designed for quick voltage checks with a color-coded needle, but it does not measure battery capacity precisely and can be fiddly if you have limited dexterity.
DLYFULL Universal Battery Tester (LCD) for AA/AAA/C/D, 9V, CR123A and Button Cells
The DLYFULL universal battery tester is a compact LCD volt checker built to cover many common cylindrical and button-cell battery types. It’s quick for getting a “poor/weak/good” voltage readout, but it is not positioned as a load tester for real-world capacity.