If the battery’s state of charge is a 75% or higher, then you can load test the car Benz Sdconnect Diagnostic. With a battery load tester, you want to apply a load equal to one half of the cold cranking amps rating of the battery for 15 seconds, and then apply one half the vehicle’s cold cranking amps specification for 15 seconds. Disable the ignition and turn the engine over for 15 seconds with the starter motor. During this test the voltage should not drop below 9.6.I suggest you
mb star c4 at autonumen.com. Flowing is the New Mb Star Compact C4 feature
New MB STAR C4 feature:
1. New MB SD Connect Compact 4 Star Diagnosis support wireless diagnose;
2. New MB SD Connect Compact 4 Star Diagnosis not only support K line diagnose and CAN BUS,but also UDS diagnose protocol. Because old MB STAR C4 main board do not have UDS chip, so old MB STAR C4 can not support it;
3. Multiplexer now use Lan cable to connect, can fit all computers not only IBM T30;
4. Connector adopt Military quick swap technology, it can support 10,000 times pull plug, more stable;
5. All core accosseries adopt original new packing chip, and 24hours test, guarantee the quality of the products;
6. Support multi-language, such as English, German,French,Italian, Spain, Portugal, Finland, Denmark, Sweden and so on.
As we all know there are many variables and circumstances that can alter the results of your battery test, so it is important to take all these variables very seriously before actually making an attempt to get an accurate reading of the value of your battery.
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