The Variostring high-voltage MPPT solar charge controller ensures optimal battery charging while maximising solar production. The first of its kind, the Variostring achieves the world’s highest conversion efficiency from high-voltage solar (900 V) to 48 V battery voltage, including galvanic isolation between PV and battery. The Variostring is 100% designed and made in Switzerland and comes with a 10-year warranty.
Up to 15 Variostring units in parallel on the same communication bus (105 kW).
Display with 9 LEDs showing status and current
Suitable for all solar and battery systems
Optimal use in an xtender system with synchronised battery management
Low self-consumption: <1W in night mode
