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Old 06-24-2008, 07:58 AM
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Richie Richie is offline
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Quote:
Originally Posted by rodalan View Post
With a 36v 10 ah battery installed it should only be 360 watts going to the 450 watt motor, does that make sense im new and just guessing
Hey Rodalan,

I was looking over some paper work I have pertaining to a small solar array I have and found a very important formula to convert battery amp-hours to watt hours.

To convert a battery's amp-hour capacity to watt-hours, multiply the amp-hours times the voltage.

To figure out how much battery capacity it will require to run an appliance for a given time, multiply the appliance wattage times the number of hours it will run to yield the total watt-hours. Then divide by the battery voltage to get the amp hours.

For example, running a 60-watt lightbulb for one hour uses 60 watt-hours. If a 12-volt battery is running the light it will consume 5 amp-hours (60 watt-hours divided by 12 volts equals 5 amp-hours)


It seems to me the E-Zip 450 watt electric motor would require 18.75 ah's to run for one hour. I assume that would be running at full speed. This is very interesting and may show this 10 ah battery is underpowered.
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