KONNWEI KW520 | 12V 10A & 24V 5A Battery Tester, Charger & Repair Tool (3-in-1)

The KONNWEI KW520 is a powerful 3-in-1 automotive tool that functions as a Battery Tester, Battery Charger, and Battery Repair Device. Designed for 12V and 24V batteries, it delivers reliability and convenience for a wide range of vehicles.

🔋 Accurate Battery Tester

Running your vehicle for years but unsure of your battery’s health? The KW520 provides a full battery analysis, including voltage status, internal resistance, and charging condition—helping you determine if your battery needs recharging or replacement.
Additionally, it includes cranking and charging system tests, along with alternator charging analysis, ensuring your peace of mind on the road.

⚡ Fully Automatic Battery Charger

Capable of charging batteries as low as 2V, with a maximum output of 12V 5A, the KW520 is more than a charger—it uses advanced pulse repair technology. With one click, it automatically detects sulfation and acid stratification, helping restore performance and extend battery life.

🔧 Battery Maintainer – Pulse Repair Function

Features automatic detection of battery sulfation and acid stratification. Its smart repair mode revives batteries left uncharged for extended periods and helps recover capacity, improving long-term battery performance and lifespan.

✅ Wide Compatibility

The KW520 supports testing, charging, and repairing of all 12V and 24V lead-acid batteries within the 100–2000 CCA range, including:

• Regular Flooded

• AGM Flat Plate

• AGM Spiral

• GEL

• Lithium Batteries (Basic support)

Perfect for diagnosing and maintaining batteries in cars, boats, motorcycles, lawnmowers, and more.

🌐 Multi-Language Support

Available in: English, German, French, Dutch, Russian, Spanish, Italian, Portuguese
 

Important Info

For inquiries, please contact us:
S4Tools Customer Service Hotline
6012-6868099 / 6010-7110168

Working Hour : 
Monday - Saturday 9AM-6PM
Sunday 10:30AM - 1:30PM (Contact Before Visit)