Australian start-up launches its first dedicated small-scale residential battery, a 48V 5.12kWh battery that can be easily stacked to increase capacity.
48V DC is the standard voltage in a bunch of industrial applications. At work I’ve installed sites with over 300kWh of storage, all at 48VDC. Back in the day it was strings of 24x 2V lead-acid batteries. Recently the industry is moving towards cells with 14x - 16x lithium cells, depending on the exact lithium chemistry.
You need an inverter to go from DC to AC anyway, changing the voltage at the same time doesn’t add much to the complexity. Some systems use 400V, but the actually batteries those systems use are usually 8x 48V batteries connected in series.
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48V DC is the standard voltage in a bunch of industrial applications. At work I’ve installed sites with over 300kWh of storage, all at 48VDC. Back in the day it was strings of 24x 2V lead-acid batteries. Recently the industry is moving towards cells with 14x - 16x lithium cells, depending on the exact lithium chemistry.
You need an inverter to go from DC to AC anyway, changing the voltage at the same time doesn’t add much to the complexity. Some systems use 400V, but the actually batteries those systems use are usually 8x 48V batteries connected in series.