That all depends on the condition of the battery when they were switched on.
If the battery is fine and it is about 70 degrees outside, they could operate all night (8 hours). If the weather is very cold (20 degrees) about 2 hours.
you left your emergency flasher on overnight
Start by checkin all fuses and then go through all your wirein to rear lights and the check build recepticals for wear and corosion..
The State Emergency System was founded in 1955. It is an organization that has volunteers who are trained in emergency situations. They provide emergency help before an after disasters.
UR ALARM IS MALFUNCTIONING
The same way you started it before replacing the battery.
Was it running before the old battery went south? Did you have a check engine light before you replace the battery?
The signals and the emergency flashers have separate circuits, separate fuses, separate flasher relays. Start with checking the fuses, the bulbs, the signal flasher relay and wiring and if it still doesn't work it may be the signal switch is bad.
Yes, the battery may be defective is you cannot jump start the car. The battery may also be so low as to need to be charged some before you attempt to start the car. Put a charger on the battery and see if it will accept a charge.
you can avoid draining the good battery
to provide current to start vehicle and supply modules with voltage before start up
In most cases a new battery will be charged enough to start the vehicle
battery is low or almost dead