You need 4 six volt batteries or two 12 volt batteries.
Solar panel 12 or 24 volt.
The higher the voltage the less voltage drop you get on cabling.
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Alternatively you can tell this by physically seeing the panels.
Graeme says 24v has advantages.
The converter will use up from 5 to 10 of the 160 watts.
The reduction in wire size cuts down the costs as the thicker the wire the more costly it is.
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Is it better to use a 24volt solar system for your home over a 12 volt.
The 160 watts solar panel is a 24 volt.
Any voltages above 12 volt and below 24 volt for a panel that is in full sun is a 12v panel.
Or 8 watts to 16 watts.
Don t get upset because you are loosing wattage.
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This is so because increasing the voltage of a system causes a reduction in the current through it and in turn reduces the size of the wires you need.
The solar panel puts out 6 6 amps at peak.
Voltages above 24 are 24 volt panels.
12 volt panels usually contain 36 individual solar cells each cell at 0 5v comes at around 18 volt for the panel.