---
product_id: 652647361
title: "TOPDON BT20 Battery Tester, 12V Car Battery Load Tester 100-2000CCA, Cranking&Charging Test via App, Record Voltage History, Automotive Battery Analyzer&Checker for Car Truck SUV Boat"
brand: "topdon"
price: "€ 2.54"
currency: EUR
in_stock: false
url: https://www.desertcart.nl/products/652647361-topdon-bt20-battery-tester-12v-car-battery-load-tester-100
store_origin: NL
region: Netherlands
---

# 99.5% testing accuracy Bluetooth app-enabled tests 100-2000CCA load range TOPDON BT20 Battery Tester, 12V Car Battery Load Tester 100-2000CCA, Cranking&Charging Test via App, Record Voltage History, Automotive Battery Analyzer&Checker for Car Truck SUV Boat

**Brand:** topdon
**Price:** € 2.54
**Availability:** ❌ Out of Stock

## Summary

> 🔋 Power up your ride with smart, instant battery insights!

## Quick Answers

- **What is this?** TOPDON BT20 Battery Tester, 12V Car Battery Load Tester 100-2000CCA, Cranking&Charging Test via App, Record Voltage History, Automotive Battery Analyzer&Checker for Car Truck SUV Boat by topdon
- **How much does it cost?** € 2.54 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/652647361-topdon-bt20-battery-tester-12v-car-battery-load-tester-100)

## Best For

- topdon enthusiasts

## Why This Product

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

## Key Features

- • **Safety First Design:** Reverse polarity and no-spark protection keep you and your vehicle safe during every test.
- • **Smart App Integration:** Unlock advanced cranking and charging tests via the intuitive Batterylab app for iOS & Android.
- • **Global & User-Friendly:** Supports 8 languages with long clamp leads for easy testing inside or outside your vehicle.
- • **Universal 12V Compatibility:** Works seamlessly with 12V lead-acid batteries across cars, trucks, boats, and motorcycles.
- • **Instant Battery Health Check:** Get reliable battery status in under 1 second with 99.5% accuracy—no more guessing.

## Overview

The TOPDON BT20 is a compact, budget-friendly 12V battery tester offering fast, highly accurate load testing (100-2000CCA) with Bluetooth-enabled app features for cranking and charging analysis. Compatible with a wide range of vehicles, it ensures safe, reliable diagnostics with multi-language support and real-time voltage history tracking.

## Description

BT20 BATTERY LOAD TESTER The BT20 is TOPDON's entry-level wireless 12V battery tester. Offering load, voltage, charging, and cranking tests, the BT20 offers high-precision voltage detection and real-time voltage monitoring. This easy-to-use device lets users of all skill-levels view voltage waveform graphs and test reports through an app. Test reports can be generated automatically, and easily share and save test reports. Data Playback function query battery voltage history data, help users analyze the problem by playing back charge and discharge data reports. Its load test method provides accurate results, making the BT20 a battery tester with superb cost-effectiveness.

## Features

- First Things First: Cranking and Charging Tests are available only on APP. Both IOS users and Android Users need to download "Batterylab" App to get access to these two features. This tester CANNOT test lithium battery, nor 6V/24V batteries.
- Budget-Friendly: Below $20, the TOPDON battery tester BT20 is a great value for a car battery tester. With four testing modes (battery load, voltage test, two app-exclusive modes: cranking, and charging), this tester works on 12V lead-acid batteries. Note that the latter two test modes require an app.
- Expanded Testing Abilities with APP: The TOPDON BT20 battery load tester pairs with your device via Bluetooth to access additional cranking and charging tests. The app displays real-time voltage waveform graphs with data playback functionality. Note that Bluetooth is to be connected via the app, not phone settings.additional cranking, charging, and voltage testing capabilities. Easily view real-time voltage waveform graphs with data playback functionality. NOTE: Bluetooth is to be connected via APP, not phone setting.
- Fast & Accurate Results: Get battery life displayed in Low/Medium/High within 1 second by clicking the TEST button. The testing accuracy can reach 99.5%, thanks to the latest conductivity technology. The TOPDON BT20 battery tester is ideal for users who want quick and reliable results. Note that Bluetooth is to be connected via the app, not phone settings.
- Universal Compatibility & Multi-Language Support: Ready to use with 12V lead-acid batteries found in a variety of vehicles, including boats, motorcycles, ships, and trucks. With 8 different language options, it's easy to use this device anywhere in the world.
- Ideal for Car Owners: The TOPDON BT20 12v battery analyzer has safety features such as reverse polarity and "no spark" protection and long clamp leads for testing from inside or outside the vehicle. It's a perfect battery analyzer and load tester for small repair shops and car owners alike. Makes a great gift for car enthusiasts.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | TT TOPDON |
| Part number | BT20 Car Battery Tester |
| Item Weight | 331 g |
| Package Dimensions | 18.69 x 9.3 x 8.2 cm; 331 g |
| Item model number | TOPDON BT20 Car Battery Tester |
| Color | Black |
| Style | Compact |
| Power source type | Battery Powered |
| Item Package Quantity | 1 |
| Number Of Pieces | 1 |
| Measurement Accuracy | 10CCA |
| Display Style | LCD |
| Specification met | Iec,sae |
| Included components | 1*BT20 Car Battery Tester; 1*User Manual. |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Brand:** TOPDON
- **Power source:** Battery Powered
- **Style:** Compact
- **Colour:** Black
- **Min. Operating voltage:** 5 Volts

## Images

![TOPDON BT20 Battery Tester, 12V Car Battery Load Tester 100-2000CCA, Cranking&Charging Test via App, Record Voltage History, Automotive Battery Analyzer&Checker for Car Truck SUV Boat - Image 1](https://m.media-amazon.com/images/I/71QDtlfM-jL.jpg)
![TOPDON BT20 Battery Tester, 12V Car Battery Load Tester 100-2000CCA, Cranking&Charging Test via App, Record Voltage History, Automotive Battery Analyzer&Checker for Car Truck SUV Boat - Image 2](https://m.media-amazon.com/images/I/712V9cPvSFL.jpg)
![TOPDON BT20 Battery Tester, 12V Car Battery Load Tester 100-2000CCA, Cranking&Charging Test via App, Record Voltage History, Automotive Battery Analyzer&Checker for Car Truck SUV Boat - Image 3](https://m.media-amazon.com/images/I/71D+tWyEepL.jpg)
![TOPDON BT20 Battery Tester, 12V Car Battery Load Tester 100-2000CCA, Cranking&Charging Test via App, Record Voltage History, Automotive Battery Analyzer&Checker for Car Truck SUV Boat - Image 4](https://m.media-amazon.com/images/I/71U9K1qIE+L.jpg)
![TOPDON BT20 Battery Tester, 12V Car Battery Load Tester 100-2000CCA, Cranking&Charging Test via App, Record Voltage History, Automotive Battery Analyzer&Checker for Car Truck SUV Boat - Image 5](https://m.media-amazon.com/images/I/71bueLznQNL.jpg)

## Questions & Answers

**Q: How to connect to bluetooth? I tried to connect via phone setting but failed.**
A: Hello, attached is a video to show you the detailed steps. If you still can't connect it to your phone, please let us know the OS and model of your phone so that we might check your issue further. Any further questions, feel free to contact us.

**Q: Can i get instant results after pressing test?**
A: Hello, please wait a few seconds after pressing the Test button, and the corresponding Battery Voltage Indicator (FULL / MEDIUM / LOW) and Battery Health Indicator (GOOD / MEDIUM / BAD) will light up to show the test result. Please note that once the Bluetooth is connected, the Test Button on the battery tester will no longer work. In this case, you can only test batteries via the APP. Any further questions, feel free to contact us.

**Q: does it  test lithum battery and agm battery**
A: Im not a 100% sure, but as long as i know it test many types of batteries

**Q: Do you have a product that can test a 2 volt battery?**
A: No, TOPDON doesn't have a battery tester that will test a 2V battery. If you have any other questions in the future, feel free to contact us at support@topdon.com.

## Frequently Bought Together

- 12V Car Battery Tester, TOPDON BT20 Battery Load Tester 100-2000CCA, Cranking&Charging Test via App, Record Voltage History, Automotive Battery Analyzer&Checker for Car Truck SUV Boat
- TOPDON TopScan Lite OBD2 Scanner Bluetooth, Bi-Directional Scanner Wireless All System Diagnostic Tool for iOS & Android, FCA AutoAuth, 8+ Hot Reset, Repair Guides, Car Code Reader, Performance Test
- TOPDON AD500 OBD2 Scanner Car Code Reader Scan Tool, Engine ABS SRS Transmission Diagnostics Tool, FCA AutoAuth, CAN FD Protocol, Oil/Throttle/SAS/TPMS/BMS/EPB Reset Car Scanner, Free Upgrade for DIY

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.nl/products/652647361-topdon-bt20-battery-tester-12v-car-battery-load-tester-100](https://www.desertcart.nl/products/652647361-topdon-bt20-battery-tester-12v-car-battery-load-tester-100)

---

*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-01-26*