I-4P imodeli yokutshintshwa kwamandla amabini i-Q3R-63 / 4 sisixhobo esisetyenziselwa ukudibanisa kunye nokutshintsha imithombo yamandla amabini azimeleyo (umzekelo, i-AC kunye ne-DC) komnye umthombo wamandla.Ngokuqhelekileyo iqulethe abafowunelwa abane abazimeleyo, nganye ihambelana negalelo lamandla.
1. amandla okuguqula amandla anamandla
2. Ukuthembeka okuphezulu
3. Uyilo olunemisebenzi emininzi
4. Imbonakalo elula kunye nesisa
5. Uluhlu olubanzi lwesicelo