Car Battery Completely Dead Reddit

Today the car battery was also dead.

Car battery completely dead reddit. 2 years is on the low side of normal for a battery lifespan but it s not unheard of. Once you build up enough corrosion then the battery is essentially dead. 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. Start the car which has the good condition battery and the dead battery would start charging.

Now the second negative of the jumper cable should be connected to the metallic portion of the car which contains the dead battery. When i got an oil change 1 month ago the mechanic told me that my battery was very weak. Yesterday morning my car battery was dead and could not start. The u xaviersystem community on reddit.

Then connect one end of the cable to the positive terminal of the donor battery and then connect the. 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. Basically a friend drives a pretty new 2015 toyota rav4 which wasn t starting and called me for a jump. Reddit gives you the best of the internet in one place.

It sounds like you may have a weak battery a failing voltage regulator or failing alternator. To revive a dead battery first make sure each car is in park or neutral and turned off. Continue doing so for a few minutes. I went there and hooked up the cables and he tried starting it after a few minutes but only heard clicking noise.

I received a jump drove it around for 5 10 minutes and revved the engine in neutral for 60 seconds afterwards. If a battery is completely dead does it matter how long you try jumping it for. Sounds like your battery is dead.