Ukwephula iminyaka engama-50 yesiko, i-InverPad kungubuchwepheshe bangempela obuthuthukiswe ngu-Aquark. Ngokuhlanganiswa okuphelele komklamo wePad, i-Stepless-DC-Inverter nobuchwepheshe bokulwa nomsindo, kuthuthukisa isipiliyoni sokubhukuda esigabeni esisha.
Ebangeni le-1 imitha, amava womsindo aphansi njengo: