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"I live in Wisconsin. I never had a problem with the Hawker."
Sebring,
Let's see, it's about 20-30ºF in Wisconsin right now? Do you park your car outside or is it inside? If the Hawker does the job under these circumstances, that's great.
That said, extremes in temperature are NG for a battery. In normal service, a cold battery will not have the same cranking power as at warmer temperatures, hence the CCA rating (COLD cranking amps). If this test were performed at a higher temperature, then you have a rating called CA (cranking amp rating). The battery will have a higher rating.
Try cranking your starter motor with 8 D=type batteries in series. I can pretty much assure you it will not crank. If it's just voltage, connect 8 AA batteries (12 volts) and tell us what happens. You need amp capacity (flow) not just voltage (push).
Sherwood
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