---
product_id: 810450153
title: "– BT189 Battery Tester, Universal Battery Checker for AAA, AA, C, D, 9V, Button Cells 1.5V 3V CR2032 LR44, LCD Voltage Display, Compact Battery Detector for Household Use, No Battery Required"
brand: "gzwosux"
price: "HK$165"
currency: HKD
in_stock: true
category: "Gzwosux"
url: https://www.desertcart.hk/products/810450153-bt189-battery-tester-universal-battery-checker-for-aaa-aa-c
store_origin: HK
region: Hong Kong
---

# No external power needed Clear digital LCD voltage display Universal battery compatibility – BT189 Battery Tester, Universal Battery Checker for AAA, AA, C, D, 9V, Button Cells 1.5V 3V CR2032 LR44, LCD Voltage Display, Compact Battery Detector for Household Use, No Battery Required

**Brand:** gzwosux
**Price:** HK$165
**Availability:** ✅ In Stock

## Summary

> ⚡ Never get caught powerless—know your battery’s health in a flash!

## Quick Answers

- **What is this?** – BT189 Battery Tester, Universal Battery Checker for AAA, AA, C, D, 9V, Button Cells 1.5V 3V CR2032 LR44, LCD Voltage Display, Compact Battery Detector for Household Use, No Battery Required by gzwosux
- **How much does it cost?** HK$165 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/810450153-bt189-battery-tester-universal-battery-checker-for-aaa-aa-c)

## Best For

- gzwosux enthusiasts

## Why This Product

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

## Key Features

- • **Compact Powerhouse:** Lightweight and portable—fits in your toolbox or travel bag for on-the-go checks
- • **User-Friendly & Fast:** Plug in your battery and get immediate, easy-to-read results
- • **Energy-Efficient Design:** Powered by the battery itself—no extra batteries required, ever
- • **Instant Voltage Insight:** Digital LCD screen shows real-time battery health—ditch guesswork
- • **Test Every Battery, Every Time:** Supports AAA, AA, C, D, 9V & button cells for total household coverage

## Overview

The BT189 Battery Tester is a compact, no-battery-needed device that accurately tests a wide range of household batteries including AAA, AA, C, D, 9V, and common button cells. Featuring a clear digital LCD display, it provides instant voltage readings to help users quickly identify battery condition, ensuring efficient power management for all your devices.

## Description

🔋【UNIVERSAL BATTERY COMPATIBILITY】: Supports testing of AAA, AA, C, D, 9V, F, 6F22, and 1.5V/3V button batteries such as CR2032, LR44, and L736 for wide application at home.

## Features

- 🔋【UNIVERSAL BATTERY COMPATIBILITY】: Supports testing of AAA, AA, C, D, 9V, F, 6F22, and 1.5V/3V button batteries such as CR2032, LR44, and L736 for wide application at home.
- 📟【CLEAR DIGITAL LCD DISPLAY】: The screen shows real-time voltage readings to help identify battery condition as good, weak, or poor, reducing unnecessary replacements.
- ⚡【NO POWER SOURCE NEEDED】: Operates without its own battery, drawing energy directly from the tested battery for consistent and efficient use.
- 🛠️【EASY TO USE FOR EVERYONE】: Simply insert the battery and view the status instantly. Suitable for home users managing household gadgets and remotes.
- 👜【LIGHTWEIGHT & PORTABLE DESIGN】: Compact size makes it easy to carry, store, and use in drawers, toolboxes, or travel bags for quick checks anytime.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0GGB32P1Z |
| Best Sellers Rank | #15,846 in Electronics ( See Top 100 in Electronics ) #23 in Household Battery Testers |
| Brand Name | Gzwosux |
| Color | black |
| Compatible Devices | Any device that uses AAA, AA, C, D, 9V, F, 6F22, or 1.5V/3V button batteries such as CR2032, LR44, and L736 |
| Country Of Origin | China |
| Item Weight | 120 Grams |
| Manufacturer | Gzwosux |
| Part Number | cd-xc90-01 |
| Style Name | portable |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** Gzwosux
- **Colour:** black
- **Item weight:** 120 Grams
- **Style:** portable
- **Unit count:** 1.0 Count

## Images

![– BT189 Battery Tester, Universal Battery Checker for AAA, AA, C, D, 9V, Button Cells 1.5V 3V CR2032 LR44, LCD Voltage Display, Compact Battery Detector for Household Use, No Battery Required - Image 1](https://m.media-amazon.com/images/I/51gx8-PD2VL.jpg)

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**Shop now:** [https://www.desertcart.hk/products/810450153-bt189-battery-tester-universal-battery-checker-for-aaa-aa-c](https://www.desertcart.hk/products/810450153-bt189-battery-tester-universal-battery-checker-for-aaa-aa-c)

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-07-04*