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How to charge a dead car battery. there are several reasons your car battery could die; including going for long periods of time without starting your car, storing it in freezing outdoor temperatures, leaving headlights or interior lights.... How to restore a car battery. if you have an old car battery that has a low voltage output, it might be time to start considering a small restoration project.. © how to restore a dead car battery ⋆ get special 40% discount walmart car batteries everstart batteries, [[how to restore a dead car battery]] ez battery reconditioning is the step-by-step 21 chapters guide for all those people..