Hello there, David!
You've raised a very common question among car owners, especially during colder months. Indeed, a car battery can reach a point where it's too dead to be jump-started - I've had this happen before. This typically happens when a battery is deeply discharged or has a dead cell, which prevents it from holding a charge. In cold weather, batteries can lose their charge more quickly, and if they're drained completely too many times, they may not recharge properly.
In your case, given the age of the battery and the symptoms you've described, it's likely that your battery has reached the end of its life. It's not just about being unable to jump-start it; the continuous cranking without the engine turning over is a strong indicator that the battery can't provide the necessary power.
Here are a few key points to consider:
- Battery Age: Most car batteries last about 3-5 years. At 3.5 years, yours is within the typical replacement timeframe.
- Cold Weather Impact: Batteries are less efficient in cold weather. If they're already weak, the cold can exacerbate starting issues.
- Jump-Starting Limitations: If a battery is deeply discharged, jump-starting might not be enough. It's like trying to fill a leaky bucket – the power leaks out as fast as you put it in.
Our advice? It's probably time to replace your battery. This should resolve the starting issues you're experiencing.
I hope that answers your questions!
Zack - Motor Verso Mechanics Team