Laptop charger to charge car battery
Most starter batteries are rated in CCA: cold cranking amps. The equivalent amp-hour rating is typically around 8% of the CCA. So if you have a 600 CCA starter battery, its AH rating is somewhere around 50. That means it can provide 50 amps for one hour, or one amp for 50 hours, or any combination in between. Your laptop charger probably draws [...]
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