CARTMAN 12V Car Battery & Alternator Tester – Test Battery Condition & Alternator Charging (LED indication)

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* LED screen indicates problem
* Check before Charge: Battery lives, "OK" to be charged.
* Alternator check: accelerate your engine to 2000 rpm when the green light is lit, charging circuit is ok.
* Battery check: suggest the portion butting in the battery.
* Cranking check: red light shows voltage from Alternator over-high.

Author: lesbar