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Is 600 wat solar panel enough

I plan on putting 600 watt solar panel on the roof of a small camper. The Panels will be able to tilt so I can get as much power as I can. My main use is to run a 5000 BTU AC tha draws 450w in the summer and a 500w space heater in the winter & a few little items like phones, tablets and led lights. I plane on buying one or two Battle Born Batteries.
Heres my question, If I run the AC during the heat of day will the 600w keep the battery(s) charged up for the evening to charge the little stuff.


Last edited by kursk42; 03-26-2024 at 03:14 PM..
Old 03-22-2024, 07:59 AM
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Not enough details. Location and avg sun. Will need a small inverter generator to charge the batteries on cloudy days ect
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Old 03-22-2024, 08:43 AM
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In great conditions you're gonna get 450-500w from that panel so you're going to break even at best during the day.

Have a 340w panel on top of our sprinter and it's helpful but you can't really "count on it" at all. On good days in the summer it will contribute mid-200s to the system.
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Old 03-22-2024, 09:17 AM
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Based on what I've experienced from my house system, I doubt you will be able to count on it. Depending on your latitude, your generation can be far below your stated generating capacity. I'm at a fairly low latitude (about 33 degrees), and my solar generation ranges from its max capable during thre summer to half that during the middle of winter. Without more info and doing the math, I'm very sceptacle.
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Old 03-22-2024, 09:31 AM
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Even a small Truck Camper A/C unit draws 3500-4000 watts. do the math if run off an inverter.
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Old 03-22-2024, 07:38 PM
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Doubt it seriously. I have a 600 watt factory panel on the roof of mine, AC will not run on battery alone. Lightweight quiet generator or shorepower for the AC.
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Old 03-22-2024, 07:53 PM
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Quote:
Originally Posted by Rusty Heap View Post
Even a small Truck Camper A/C unit draws 3500-4000 watts. do the math if run off an inverter.
That’s a big unit. I had a small one in a camper and it was under 800 watts. Still needed to run a soft start to get it to kick on reliably with the inverter genie.
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Old 03-22-2024, 08:17 PM
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Quote:
Originally Posted by kursk42 View Post
I plan on putting 600 watt solar panel on the roof of a small camper. The Panels will be able to tilt so I can get as much power as I can. My main use is to run a 5000 BTU AC tha draws 450w in the summer and a 500w space heater in the winter & a few little items like phones, tablets and led lights. I plane on buying one or two Battle Born Batteries.
Heres my question, If I run the AC during the heat of day will the 600w keep the battery(s) charged up for the evening to charge the little stuff.
We've built many systems for trailers. I've never found a 5000 BTU AC that only uses 450 Watts. They do cycle and typically run 30% of the time, depending on the temperature outside vs. inside.

Battleborn are very good batteries. But each 100AH battery holds 1200 Watt-Hours of energy.

600 Watts in the most ideal conditions in Souther California will produce about 3,600-4,000 Watt-Hours. While this is enough to recharge that two batteries, it isn't much.

A Typical layout for one of our Mi-Grid 500 systems was 2000 Watts of Solar with 6 x 1200 Watt LifePo4 batteries. We also included a 4000 Watt auto start generator which can recharge the batteries when they get low. This was connected to a 120VAC inverter system with 4000 Watt output.

The lowest power consumption AC units are inverter (variable speed)

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Old 03-23-2024, 05:30 AM
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