Quote:
Originally Posted by Clockwork
just causes the alternator to work a bit harder to keep power going to car AND computer/diagnostics while reading/writing.
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Depending on what you have attached to car while reading/writing. Connecting a power inverter to run that IBM XT home computer will draw enough current to drain the battery or make the alternator work harder, but most modern laptops will not drain down the battery or make the alternator work harder. My tablet isn't connected to the car and I doubt the bluetooth adapter will draw that kind of amperage that it will drain the battery or cause the alternator to work harder.
