2008 Jeep Cherokee Grand "radio won 39 work 08" Questions

...radio works and all, but the car won't start without getting a boost. Does this mean the battery is too weak? Hi, Its hard to tell without checking the actual voltage on the battery. Autozone or ...

...won't work While driving, the ABS light came on, the headlights started going dim, the radio shut off, the electric windows wouldn't work, and all the dashboard lights went out. The car continued ...