Website: https://ecoflowvietnam.com/tram-sac-ecoflow-delta-series/. Tram Sac Di Dong EcoFlow DELTA Series la giai phap nang luong du phong va di dong manh me, linh hoat hang dau hien nay. Noi bat voi cong suat dau ra AC lon (thuong tu 1800W tro len, co the mo rong voi cong nghe X-Boost), DELTA Series co kha nang cap dien cho hau het cac thiet bi gia dung va cong cu nang, tu tu lanh, may lanh di dong den cac thiet bi su kien. Mot trong nhung uu diem vuot troi la cong nghe sac sieu nhanh X-Stream, cho phep sac day tram dien tu o cam AC tieu chuan trong thoi gian ngan ky luc (chi khoang 80 phut hoac it hon tuy mau), nhanh hon nhieu lan so voi doi thu.