Ibhokisi lokusabalalisa amandla le-XL-21 liyidivayisi yasendlini, elifanele izitshalo zamandla omphakathi kanye namabhizinisi ezimboni nezimayini, imvamisa ye-AC 50Hz, i-AC voltage 380V, izigaba ezintathu zezintambo ezintathu, isistimu yamandla enezintambo ezine ezinezigaba ezintathu. Isetshenziselwa amandla nokusabalalisa izibani nokulawula, futhi ingasetshenziselwa ezinye izikhathi ezihlangabezana nokusebenza komthwalo webhokisi lokusabalalisa amandla, njengalezi: amakamelo amakhompiyutha angaphakathi, izimboni, ugesi wasemadolobheni, imboni yezokwakha.