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If I understand correctly, the purpose of the surge protection is to prevent any "spikes" reaching your expensive components. I will be using 10AWG (6mm²) solar cable to the charge controller, which is about 10m (32ft) run from the panels. Regarding the placement of a junction box for Surge...

Thank you very much for all the replies, highly appreciated! In the process I also discovered that Amazon Global now ships directly to South Africa, which it didn't do before so now I can buy items that are quoted by the international community without having to search for alternatives from...

I'll only be running lights off 12v and I've calculated it will be using 150watts (I've added some extra at the top, should it be required).

I need some advice on sizing a DC-DC Stepdown converter, actually I need to know whether what I can get will work and what I need to make it work... I'm trying to build this 24v system but cannot source the recommended step down converter (40amp 24v-12v DC-DC), the largest I'm able to get is a...

Fhorst, I can't thank you enough!!! You have given me lots to think about, and I'm glad that you have also included some of your own experience with solar. I'm well aware that we'll need to further upgrade the system, as you mentioned 48v is best, but at the moment finances are quite tight so...

Hi guys, I'm completely new to solar but I've been looking at it for quite some time. Well the time has come for me to actually get into it because we are now completely off-grid!!! I am not an electrician or knowledgeable about these things in any way, so I need quite a bit of help and...

Old Man, have you done anything since your last post? This is what I'm looking at now: For Ladismith region we average about 5-6hrs of sunlight per day throughout the year. I have been monitoring our consumption (during South Africa's hard lockdown) and we use about 6kWh per day, just for some...

Hi Old Man, thanks for getting this post started, I've been wondering if anyone from my neck of the (h)oods was looking for or posting any advice, so that I could also learn and get some answers for myself. I think once you're done doing the energy audit, FilterGuy's spreadsheet is an absolute...