Should you keep caravan plugged in?

User guidance. Measuring your leisure batterys state of charge is certainly important, especially if youre about to put a caravan in storage for the winter. At the very least, it should be fully charged, but the situation doesnt end there. Never leave a battery in a discharged state.

Will my car charge my caravan battery?

When you start the engine of your car, if the caravan is plugged in, the current of the car (alternator + battery) will recharge your caravan battery. If the cable heats up, the current is too strong and it means that the battery is discharged.