Motorhome DIY Solar Upgrade (UK). Part 1. Step by step. If I can do it, so can you!

Two-part VLOG showcasing our Motorhome solar panel upgrade from 100w to 300w. We have an Elddis Accordo 125 (6m) Motorhome and space on the roof is at a premium. To this end we have had to buy solar panels of a non-standard size. These are narrow and longer than standard panels but fit perfectly on our roof top. We purchased them from Sunstore Solar.
I would describe us as novice, solar installers and have learnt all our skills from other TH-cam videos. With a bit of attention to detail and lots of research there's no reason why anyone with a few general DIY skills and a small amount of electrical theory (all of which can be found on-line) can't do the same as us.
Shopping List
2 x 110w narrow solar panels (1480mm x 440mm) from Sunstore Solar - £320
Victron Smart Solar Controller (with bluetooth and app) from Victron Energy Store 100/20 - £128
2.5m of 2"x 3" aluminium angle iron for brackets from the Metal Store - £54
MC4 Crimper kit from Amazon - £25
Extra 10 x MC4 connectors from Amazon - £8
1m MC4 extension lead from Amazon - £8
Pair MC4 3-way adaptors from Craig Solar - £10
Wire Strippers - £8
Herscon 2-way (100a) switch from Amazon - £12
20a fuse and holder from Amazon - £5
3 x Sikaflex 522 from Magnum Motorhomes - £33
Total - £613
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