Question
What is surface charge, and how does it affect battery testing?
Answer
Surface charge is a temporary voltage increase on the battery plates after charging, causing false high readings.
Explain
Immediately after charging, voltage may appear artificially high. CHEPQ testers include rest periods or algorithms to differentiate true charge from surface effects, preventing misdiagnosis.
Related Diagnostic Guide
To explore this topic in a broader system-level diagnostic context:
Related Guide: Battery Testing & Vehicle Power Supply Diagnostics
Recommended Diagnostic Solutions
To apply the diagnostic concepts discussed above in real-world scenarios, explore our full range of professional automotive diagnostic tools. These solutions are designed to support battery testing, system diagnostics, and data analysis for modern vehicles and workshop environments.
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