Car Battery Completely Dead Reddit

When i got an oil change 1 month ago the mechanic told me that my battery was very weak.

Car battery completely dead reddit.

It sounds like you may have a weak battery a failing voltage regulator or failing alternator. I received a jump drove it around for 5 10 minutes and revved the engine in neutral for 60 seconds afterwards. Reddit gives you the best of the internet in one place. Now the second negative of the jumper cable should be connected to the metallic portion of the car which contains the dead battery.

Today the car battery was also dead. As you may know the alternator charges the battery while the engine runs by generating amperage and recharging the battery while the engine turns the alternator pulley. To revive a dead battery first make sure each car is in park or neutral and turned off. Basically a friend drives a pretty new 2015 toyota rav4 which wasn t starting and called me for a jump.

I went there and hooked up the cables and he tried starting it after a few minutes but only heard clicking noise. Your car is a 2016 so that means the alternator is still probably good but check it anyway when you replace the battery. 12 9v 13 4v is ideal condition for your battery and when you do measure it measure it after at least 30 mins from being charged as you ll get a higher voltage from surface charge. Then connect one end of the cable to the positive terminal of the donor battery and then connect the.

This has never happened to me before. If a battery is completely dead does it matter how long you try jumping it for. Start the car which has the good condition battery and the dead battery would start charging. Now after few minutes have elapsed you should start the car with the flat battery.

Once you build up enough corrosion then the battery is essentially dead. Sounds like your battery is dead. Yesterday morning my car battery was dead and could not start.