Calculators

Numbers, not top 10

Compatibility, cable, database — interactive tools are in development. The articles teach you manual calculation now.

If you want to know how to calculate cold Voc, or why the 400 W label isn't enough: registration brings new materials and calculators.

Registration Calculators

Not price, not affiliate links — PV input range, A/port, port count, connector, idle consumption. Comparison by numbers.

Distance, Imp, Vmp → mm² and % drop. Why voltage matters more than the "thick cable" intuition.

Panel Voc/Vmp/Imp + device MPPT window and A/port → series/parallel, cold Voc, margin. The interactive tool is in development.