
Ensure your vehicle never fails to start with this professional-grade diagnostic tool. It delivers instant health assessments for 6V, 12V, and 24V batteries, helping you detect potential failures before they leave you stranded on the road.










The VoltDiag Battery Load Tester provides detailed SOH and SOC reports, allowing you to monitor internal resistance and voltage. This deep analysis ensures you understand exactly when your battery needs maintenance or replacement to avoid unexpected breakdowns.
Utilize the specialized cranking and charging tests within the VoltDiag Battery Load Tester to evaluate your starter motor and alternator. This functionality identifies weak components early, ensuring your car, truck, or motorcycle starts reliably every single time.


Featuring a user-friendly 2.8-inch color screen and icon-based navigation, the VoltDiag Battery Load Tester simplifies diagnostics. One-click testing and QR code generation make it easy for anyone to retrieve and share professional-grade reports directly from their smartphone.




This diagnostic tool offers unparalleled accuracy for multi-voltage systems. Its rugged build and real-time waveform analysis make it an essential asset for both professional shops and DIY enthusiasts.
– Marcus Sterling, Research Specialist

VOLTDIAG FEATURES ALL YOU CAN EXPECT:

Effortlessly test 6V, 12V, and 24V systems across various vehicle types including cars, trucks, and motorcycles for maximum utility.

The device draws power directly from the battery being tested, allowing for convenient use anywhere without worrying about charging internal batteries.

Generate QR codes or print detailed fault reports to maintain an accurate service history and simplify communication with repair professionals.


View live voltage fluctuations to detect hidden electrical issues that standard testers might miss, ensuring a complete system health check.

Advanced short circuit and reverse polarity protection keep both the user and the vehicle's sensitive electronic components safe during every test.

Constructed with high-impact ABS material and pure copper clips, this tester is designed to withstand the rigors of a busy workshop.


We understand the value of your time. That’s why our team is trained to respond promptly and efficiently, ensuring your queries and issues are addressed without unnecessary delays.
Frequently Asked Questions
I was impressed by how quickly it diagnosed my truck's alternator issue. The color screen is very clear, and the copper clips feel incredibly sturdy.

As a DIYer, I love the one-click test feature. It takes the guesswork out of battery maintenance and the QR code report is so convenient.

This is the most versatile tester I have owned. It handles everything from my motorcycle to my boat batteries with perfect accuracy and safety.
