Battery state of health (SOH) and life percentage evaluation
Battery charge level and capacity testing
Start system load test (system start load test)
Maximum load system test
Discharge performance test
Charging system test (alternator and regulator performance)
Generator charging system test
UPS battery testing (internal resistance and capacity only)
Load test current up to 80A (varies by model)
Battery type selection (JIS, IEC, CCA, EN, DIN standards)
Battery status grading with recommendations
>80%: Good condition
60%-80%: Fair condition
45%-60%: Attention needed
<45%: Replace battery recommended
Reverse polarity protection
Overvoltage protection
Input protection against poor clamp contact
Enhanced internal input protection for safe operation
High-definition large screen for clear data viewing
ESC and ENTER buttons for navigation and confirmation
One-key measurement function
Multi-language support (implied)
Integrated cable design with approx. 60mm red/black leads and strong clamp force
Integrated printer function (available on DY2015B, DY2015C, DY3015C) for real-time printing of test data and reports
Test report includes battery type, voltage, internal resistance, CCA, life percentage, start current, rated start current, vehicle info, date, and model
Supports testing of automotive, solar, and storage batteries
Additional details
Operating temperature range
-18°C to 50°C
Testing method
Four-wire Kelvin test method
CAT rating
600V CAT II or CAT III depending on model
Vehicle engine off before testing
Connect red clamp to positive battery terminal and black clamp to negative terminal (do not connect to chassis or bolts)
Follow on-screen prompts for test selection and results interpretation
Refer to user manual for detailed operation and troubleshooting
CE certified
Complies with relevant safety and testing standards
Battery tester unit (model dependent)
Test leads with clamps
User manual
Battery life testing not supported for UPS and electric vehicle batteries; only voltage, internal resistance, and capacity can be tested
Voltage thresholds for start system and charging system tests are provided for diagnostic reference
Duoyi intelligent battery testers provide comprehensive, fast, and safe testing solutions for 12V and 24V automotive and storage batteries. With multi-standard battery compatibility, advanced safety features, and optional printing capabilities, these testers enable accurate assessment of battery health, starting system performance, and charging system functionality.
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