Your charger is 1750 watts to charge a set of batteries to full charge. Ive never seen a solar panel that can fit on the roof of a golf cart that is 1750 watts.
Whatever the wattage is for a solar panel, that is in perfect setting, so decrease its rating by at least 20 percent, then take into account that your not getting full effect of the sun all day long even here in florida. They have charts for the whole country as far as what you can really expect to see with the use of a solar panel as far as charging anything.
So I agree, take any solar panel and take 40 percent right off the top as far as what you are really going to get. Is it going to charge a golf cart to a full charge? The answer is no, as there is not enough "push" to full charge a deep cycle battery. Solar for golf cars has been around since the mid 1980's, so its nothing new. It still doesn't work as some say it should.
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