In a series connection, photovoltaic modules are linked one after another, with the positive terminal of one module connected to the negative terminal of the next.
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Just like a battery, solar panels have two terminals: one positive and one negative. When you connect the positive terminal of one panel to the negative terminal of another panel, you create a series connection.
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You can connect battery packs in series if they have the same voltage and the same capacity rating. However, do not connect a 6V 10Ah battery with a 12V 10Ah battery.
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Each battery module is equipped with a battery management system (BMU) to form a rack-mountable module assembly. Multiple module assemblies are then connected in series to form a battery rack.
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