Forum Discussion
Almot
Sep 15, 2013Explorer III
300w solar will collect 110AH daily at best, with MPPT and all.
300W fridge will draw 170AH daily at 30% cycle, and more with longer cycle. Forget about it.
As others said, you should better increase the propane storage. If this is a seasonal site, install a permanent tank on the ground, or at least a couple of 100 lb tanks that could be replaced/refilled once every 5-7 weeks.
If you want electrical fridge on non-electrical site - meaning there is no generator daily or every other day - you need either a 12V compressor fridge or VERY energy efficient 120V compressor fridge and twice more solar. Not a 2-way LP fridge. One 300W panel would feed the fridge and another one - your other needs. With a smaller volume compressor fridge, say 5-7 cu.ft, you could go with 400-500W total solar, but then it's a smaller fridge.
300W fridge will draw 170AH daily at 30% cycle, and more with longer cycle. Forget about it.
As others said, you should better increase the propane storage. If this is a seasonal site, install a permanent tank on the ground, or at least a couple of 100 lb tanks that could be replaced/refilled once every 5-7 weeks.
If you want electrical fridge on non-electrical site - meaning there is no generator daily or every other day - you need either a 12V compressor fridge or VERY energy efficient 120V compressor fridge and twice more solar. Not a 2-way LP fridge. One 300W panel would feed the fridge and another one - your other needs. With a smaller volume compressor fridge, say 5-7 cu.ft, you could go with 400-500W total solar, but then it's a smaller fridge.
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