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Sonnenschein is a German brand name. The quality of its batteries are just a lot more certain than most of the Chinese brands out there. But you pay for that.
I am sure they also make Lithium...

I purchased parts to make up an entire system from them 4 years ago. Sharp prices and everything worked.....but not sure for how long. I had issues with the inverter (turned out to be me, not the...

Solar in @ max 400 watts is pathetic. (then I see the CC is 30 amp...go figure)

A fridge/freezer will consume 1, more usually 2 kw per day.

400 watt panel would need three-six hours of...