Heavy trucks commonly use 24V battery systems. Battery condition, cable resistance, alternator output and parasitic loads all affect starting reliability and electronic system stability.
Truck battery & charging checks
- 24V truck battery condition testing
- Battery pair imbalance checks
- Charging voltage and alternator output
- Battery replacement support
- Terminal, cable and grounding inspection
- Slow-crank and no-start diagnosis
- Parasitic drain investigation where applicable
- Electrical system voltage stability checks
Why two batteries need to be checked as a system
On a 24V truck, one weak battery can reduce the performance of the whole pair. Replacing one battery without checking the second battery, charging system and cable condition may lead to repeated starting problems. We assess the full starting and charging system before recommending replacement.
Commercial vehicle coverage
We work on systems found across Volvo, Scania, MAN, Mercedes-Benz Actros, Renault, Hino, Isuzu, Fuso, UD / Nissan Diesel, Sinotruk, Shacman, Foton, Dongfeng and other commercial vehicles. Exact diagnostic coverage depends on model, year and installed system.
Service area
Our workshop is located in Masai, Johor, convenient for Kota Puteri, Pasir Gudang, Seri Alam, Johor Bahru and nearby industrial areas. Fleet and workshop enquiries are welcome.
Workshop photos
Frequently asked questions
Do you test 24V truck batteries?
Yes. We can check battery condition, battery-pair balance, charging voltage, cable condition and starting-system performance.
Do you work on European trucks?
Yes. We support electrical and diesel system diagnosis on commercial vehicles including Volvo, Scania, MAN, Mercedes-Benz Actros and Renault, depending on model, year and system.
Do you only repair trucks in Masai?
Our workshop is in Kota Puteri, Masai. We regularly serve customers and commercial operators from Pasir Gudang, Johor Bahru, Seri Alam, Johor Jaya and surrounding areas.
What should I send before coming?
Send the truck make, model, year, engine if known, symptoms, dashboard warnings and fault codes. Photos or a short video can also help us prepare.