How Long Can Car Battery Last With Radio On. Following the math the 35 amp-hour battery should push James 22 amp transmitter for a little over ninety minutes. So the time until the battery is completely drained is theoretically between 48 and 8 hours.
Lifetime You will find that the average life of your battery is going to be about 5 years. So youre looking at a realtively safe couple of hours use maybe 5 if youre pushing it but by 10hours youd expect the battery to be drained beyond the ability to start the car. It will drain out your battery within a few hours.
SiriusXM SXPL1V1 will last in good condition for anything like 10-15 plus hours on a car battery.
Disconnecting the battery while the engine is running is possible in certain diesels. So youre looking at a realtively safe couple of hours use maybe 5 if youre pushing it but by 10hours youd expect the battery to be drained beyond the ability to start the car. You can listen to the radio for two or three hours without running the car battery down and when youre done you should be able to start the car. The power inverter you intend to use is a very inefficient device and it is probably most likely to drain your battery.
