Overview
The KONNWEI KW650 is a professional-grade 12V and 6V car battery tester designed for cars, trucks, motorcycles, boats, lawn mowers, and other vehicles. This advanced battery analyzer delivers accurate readings in milliseconds thanks to its STM-32 chip, testing battery health, voltage, internal resistance, and cold cranking amps (CCA). It also evaluates starter and alternator systems, providing clear diagnostics for both DIY users and professional mechanics.
Key Features
- 6V & 12V Battery Compatibility: Supports 100–2000 CCA batteries including flooded, AGM flat/spiral, and gel types.
- Advanced Diagnostics: Provides SOH (State of Health), SOC (State of Charge), voltage, internal resistance, and CCA rating.
- One-Key Waveform Analysis: Monitors real-time voltage changes and generates waveform data for detailed battery and system analysis.
- Fast & Accurate Results: Delivers precise readings in milliseconds with over 99.5% accuracy.
- Starter & Alternator Testing: Checks cranking and charging system performance for vehicles.
- Color Screen & Reminder Light: HD color display and visual alerts make it easy to read results and detect battery issues.
- In & Out of Vehicle Testing: Convenient for testing batteries in installed or removed conditions.
- Professional Advice: Displays clear recommendations based on test results: GOOD, RECHARGE, REPLACE, BAD CELL, CHARGE-RETEST.
- Multilingual Support: Switch among 12 languages including English, French, Spanish, German, Italian, Portuguese, and Dutch.
- Data Update & Print: Supports software updates and printing of test results.
Specifications
- Brand: KONNWEI
- Model: KW650
- Power Source: Battery Powered
- Minimum Operating Voltage: 8V
- Upper Temperature Rating: 70°C
- Item Dimensions: 0.79 × 2.76 × 4.92 in
- Measurement Type: Voltmeter, Ammeter
Ideal For
- Car, truck, and SUV owners monitoring battery and starter/alternator performance
- Motorcycles, boats, and lawn mower battery diagnostics
- Professional mechanics and auto repair shops
- DIY users looking for reliable, portable battery diagnostics
What's in the Box
- STM32 KONNWEI KW650 Battery Tester
FAQs
Can KW650 test both 6V and 12V batteries?
Yes, it works on 6V and 12V batteries from 100–2000 CCA.
Does it test in-vehicle batteries?
Yes, it supports both in-vehicle and out-of-vehicle testing.
How quickly does it provide results?
It provides precise battery health, voltage, CCA, and internal resistance readings in milliseconds.
Is it safe to use?
Yes, it features reverse polarity protection, reminder lights, and built-in safeguards.
Can it test the alternator and starter?
Yes, it evaluates alternator charging and starter cranking performance.
Can I update the tester software or print results?
Yes, it supports free lifetime updates and printing of test data.
What battery types are compatible?
It works with flooded, AGM flat/spiral, and gel 6V and 12V batteries.
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