---
product_id: 736414271
title: "KONNWEI KW650 6V 12V Car Battery Tester 100-2000 CCA Battery Load Tester Auto Battery and Alternator Tester for Vehicle/Marine/Motorcycle/Lawn Mobile"
brand: "konnwei"
price: "€ 23.27"
currency: EUR
in_stock: false
url: https://www.desertcart.fi/products/736414271-konnwei-kw650-6v-12v-car-battery-tester-100-2000-cca
store_origin: FI
region: Finland
---

# 99.5%+ STM32 chip accuracy Real-time voltage waveform analysis 6V & 12V battery compatibility KONNWEI KW650 6V 12V Car Battery Tester 100-2000 CCA Battery Load Tester Auto Battery and Alternator Tester for Vehicle/Marine/Motorcycle/Lawn Mobile

**Brand:** konnwei
**Price:** € 23.27
**Availability:** ❌ Out of Stock

## Summary

> 🔧 Don’t get stranded—test smarter, drive safer!

## Quick Answers

- **What is this?** KONNWEI KW650 6V 12V Car Battery Tester 100-2000 CCA Battery Load Tester Auto Battery and Alternator Tester for Vehicle/Marine/Motorcycle/Lawn Mobile by konnwei
- **How much does it cost?** € 23.27 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/736414271-konnwei-kw650-6v-12v-car-battery-tester-100-2000-cca)

## Best For

- konnwei enthusiasts

## Why This Product

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

## Key Features

- • **Precision You Can Trust:** Powered by a cutting-edge STM32 chip delivering over 99.5% accuracy in milliseconds for lightning-fast diagnostics.
- • **Starter & Alternator Testing:** Beyond batteries—diagnose your vehicle’s starter and alternator performance with multi-language support for global usability.
- • **Universal Battery Compatibility:** Tests 6V & 12V batteries from 100 to 2000 CCA, including AGM and gel types—perfect for cars, boats, motorcycles, and lawn equipment.
- • **Waveform Analysis for Pro Insights:** Unique voltage waveform tracking helps both beginners and pros pinpoint battery issues with real-time data and PC upload capability.
- • **Comprehensive Battery Health Report:** Displays voltage, internal resistance, cold cranking amps, and charging status with expert advice to prevent unexpected failures.

## Overview

The KONNWEI KW650 is a professional-grade 6V/12V battery and alternator tester featuring ultra-precise STM32 chip technology, real-time voltage waveform analysis, and comprehensive diagnostics for automotive, marine, and lawn equipment batteries. Its rapid, accurate testing and expert advice empower users to prevent battery failures and maintain optimal vehicle performance.

## Description

KW650 Battery Tester

## Features

- 【6 Volt & 12 Volt Battery Tester】As an upgrade version of the KW600, the KW650 can test all 6V and 12V 100-2000CCA batteries including regular flood batteries, AGM flat plates, AGM spirals and gel batteries. Great automotive battery tester to diagnose batteries for cars, boats, lawn mowers and more. Great for home supplies. Great gift for everyday use. A new replacement for any quality issue
- One Key Waveform Analysis: The special function of the KW650 battery analyzer is a voltage waveform analysis. Beginners will help you find battery problems by tracking the voltage changes in real time. Professional repair stores can upload and compare continuous voltage monitoring results to a computer to analyze your vehicle's system
- 【More than 99.5% Accuracy】Thanks to the KW650's powerful STM-32 chip, it provides more than 99.5% accurate test report within milliseconds, greatly improving the test speed compared to other battery testers. Besides the KW650, it is one of the few automotive batteries and alternator testers that support UPDATE function
- 【Display the whole battery data】Except basic battery parameters such as voltage, internal resistance, cold cranking amplifier, battery health and charging status, the KW650 load tester provides professional advice based on these data, and helps you decide whether to change or charge the battery and know the condition in advance to prevent battery failure
- Starter & Alternator Tester: The KW650 is not only an excellent battery load tester for testing battery cranking and charging system, but also can test the alternator charging and starter cranking status. You can also switch up to 12 languages to suit your different needs

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | KONNWEI |
| Part number | KW650 |
| Item Weight | 388 g |
| Product Dimensions | 2 x 7 x 12.5 cm; 387.7 g |
| Size | 175 cubic centimeters |
| Color | Black |
| Style | Voltage Tester |
| Power source type | Battery Powered |
| Voltage | 12 Volts |
| Measurement Accuracy | 99.99% |
| Specification met | [Note] Shenzhen Jiawei Hengxin Technology Co., Ltd. Internal Certification or Quality Standards |
| Included Components | STM32 |
| Batteries Included | No |
| Batteries Required? | No |
| Item Dimensions LxWxH | 20 x 70 x 125 mm |

## Product Details

- **Brand:** Konnwei
- **Power Source:** Battery Powered
- **Style:** Voltage Tester
- **Color:** Black
- **Item dimensions L x W x H:** 20 x 70 x 125 mm

## Images

![KONNWEI KW650 6V 12V Car Battery Tester 100-2000 CCA Battery Load Tester Auto Battery and Alternator Tester for Vehicle/Marine/Motorcycle/Lawn Mobile - Image 1](https://m.media-amazon.com/images/I/61bSGT6eseS.jpg)
![KONNWEI KW650 6V 12V Car Battery Tester 100-2000 CCA Battery Load Tester Auto Battery and Alternator Tester for Vehicle/Marine/Motorcycle/Lawn Mobile - Image 2](https://m.media-amazon.com/images/I/613apOMxy5L.jpg)
![KONNWEI KW650 6V 12V Car Battery Tester 100-2000 CCA Battery Load Tester Auto Battery and Alternator Tester for Vehicle/Marine/Motorcycle/Lawn Mobile - Image 3](https://m.media-amazon.com/images/I/71lHyuk6UcL.jpg)
![KONNWEI KW650 6V 12V Car Battery Tester 100-2000 CCA Battery Load Tester Auto Battery and Alternator Tester for Vehicle/Marine/Motorcycle/Lawn Mobile - Image 4](https://m.media-amazon.com/images/I/71F9Qf9RPoL.jpg)
![KONNWEI KW650 6V 12V Car Battery Tester 100-2000 CCA Battery Load Tester Auto Battery and Alternator Tester for Vehicle/Marine/Motorcycle/Lawn Mobile - Image 5](https://m.media-amazon.com/images/I/61xGIUUspyL.jpg)

## Frequently Bought Together

- KONNWEI KW650 6V 12V Car Battery Tester, 100-2000 CCA Battery Load Tester Automotive Battery and Alternator Tester for Vehicles/Marine/Motorcycle/Lawn Mover
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**Shop now:** [https://www.desertcart.fi/products/736414271-konnwei-kw650-6v-12v-car-battery-tester-100-2000-cca](https://www.desertcart.fi/products/736414271-konnwei-kw650-6v-12v-car-battery-tester-100-2000-cca)

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*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-01-25*