Can A Remote Start Drain Your Battery. Try this simple test. So the power drawn by the security system the remote start system even the power the computers require to maintain their memory.

USB chargers and anything else plugged into your car can drain the battery even if not in use. The other knock on remote car starters is that they can damage a vehicles battery. This seems to be based on urban myths and bad science.
USB chargers and anything else plugged into your car can drain the battery even if not in use.
I have to keep a jump box in my shop so that they dont die while i tint the windows. If the battery remains charged you. As the battery wears out however the range and signal strength of the fob transmitter will be reduced. But when your vehicle is running your battery relies on the alternator to help it stay charged.

