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Battery /
LithiumIronLithium iron batteries are the best solution for off grid energy suppy e.g. in the night. So they fill the gap, that solarsystems? leave in the night and on cloudy days. They are quite costly to buy, but they pay off in the long run with their long life. They need a battery management system to not get out of balance. This device will active balance the voltages of the single cells. |