Guides
Technical guidance on selecting modules and inverters, compiled from manufacturer datasheets by the Solar Depot Technical Team.
Matching string inverters to today's high-power modules
Updated 11 Aug 2026
600 W+ modules push string currents past 15 A. How to check DC/AC ratio, MPPT voltage range and per-string current before ordering.
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Buying solar equipment: checking authenticity, stock availability and warranty support
Updated 11 Aug 2026
Grey imports, clearance stock and brands without a representative in Thailand, and a pre-payment checklist for installers and contractors.
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How to read a solar module datasheet before you order
Updated 11 Aug 2026
What Voc, Vmp, Isc, temperature coefficients and bifacial gain mean, and which values actually drive string design.
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N-type TOPCon vs P-type PERC: what changes?
Updated 11 Aug 2026
A practical comparison of the two dominant cell technologies, efficiency, degradation, temperature behaviour and price.
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