A rugged, maintenance‑free car jump starter that uses supercapacitor technology—no lithium battery needed. Instantly charges from your weak 12 V battery (within 3–5 min) and delivers 1000 A peak for starting gasoline engines up to 6.0 L or diesels to 4.0 L. Operates reliably from –40 °F to 158 °F, with heavy-duty clamps, smart display, USB‑C PD (100 W) port, and built to last over 100,000 cycles