YW-781 Digital Automotive Battery System Detector 12V 24V Car Battery Tester with CCA Measurement
Test 12V and 24V lead-acid, AGM and EFB batteries with accurate CCA, voltage and internal-resistance readings. Built-in protection and a large backlit LCD make battery checks fast and reliable.
Description
The YW-781 battery system detector accurately tests automotive battery performance including start-up capability, CCA rating, voltage and internal resistance. This professional car battery tester supports 12V/24V lead-acid batteries and AGM/EFB start-stop batteries with a four-wire Kelvin test connection. Overvoltage and reverse-connection protection, plus a large backlit LCD, make it a dependable choice for auto repair and battery maintenance.
Specifications
| Measurement Principle | Four-wire Kelvin test connection |
|---|---|
| Supported Battery Types | 12V/24V start-up lead-acid battery; AGM/EFB start-stop battery |
| Battery Capacity Range | 30-200Ah |
| CCA Measurement Range | 100-2000 |
| Voltage Measurement Range | 9-35V |
| Test Items | Battery start-up capability, start-up system load, operating maximum load, charging system test |
| Protection | Overvoltage protection, reverse connection protection, self-check prompt |
| Display | Large backlit dot-matrix LCD |
| Housing | ABS shell with TPU protective cover |
| Protection Class | IP40 |
| Operating Temperature | -10 to 50 C |
| Storage Temperature | -20 to 60 C |
| Dimensions | 180 x 95 x 37 mm |
| Weight | Approx. 316 g |
| Power Supply | Powered directly by the battery under test; no internal battery required |
| Durability | Shock- and drop-resistant design |
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Downloads
Product documents and supporting resources.
- YW-781 Series Technical Datasheet Download PDF
- YW-781 Series User Manual Download PDF
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