Same stands. Going on the ~R23999 3000W system
It is this inverter
http://santak.en.alibaba.com/produc...IR3000_3000W_48V_Pure_sine_wave_inverter.html
Cost between R5000-R7000
Unknown batteries (exact battery makes a huge difference) - Lets be generous and say the two batteries are worth R4000
Ultralan battery cabinet - (Lets assume they use the same but smaller cabinet in the picture) - Is the cabinet even included? - R900
Wiring and fuses - (Being generous again) - R1500
So thats ~R13400 plus a bit for the installation.. So as originally stated the price is hefty.
Then there are several questions:
1) It is being wired into the DB, is it even legal to do that with that specific inverter? (Possibly but I don't know)
2) If you actually try power the geyser or some of the other things they have stated on it you will probably burn your house down
3) The only way you will get near the times given is if you are only running one small device off it like a computer - at which point you have to ask, why wire it into the DB?
So my advice, avoid these guys, it seems quite clear they are dodgy and just want quick money
If you really want to spend that kind of money (25k+) then get a decent sized system that is not this one, you still probably don't want to power your geyser or stove from that though.
If you just want to watch TV or use a computer or something, then get a smaller system like other people have described, you can throw an adequate smaller system (don't wire it to the DB just plug the device in question straight into it) from 8000+ depending on your needs.
Either way start first by measuring what it is you actually require and work from there.
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