Sabbin samfuran walda na Heltec sun fi ƙarfi tare da max peak bugun jini na 42KW.Kuna iya zaɓar mafi girman halin yanzu daga 6000A zuwa 7000A.Musamman tsara don walda jan karfe, aluminum da nickel hira takardar, SW02 jerin goyon bayan kauri jan karfe, tsantsa nickel, nickel-aluminum da sauran karafa welded sauƙi da kuma da tabbaci (goyon bayan nickel plated jan karfe takardar da tsarki nickel kai tsaye waldi zuwa baturi jan karfe electrodes, m jan karfe waldi. waldi kai tsaye zuwa baturin lantarki na jan karfe tare da juyi).
HT-SW02H kuma yana da ikon auna juriya.Zai iya auna juriya tsakanin yanki mai haɗawa da lantarki na baturin bayan walƙiyar tabo.