3000A Car Jump Starter 12V Portable Power Bank Emergency Battery Booster for Auto

GKFLY 12 V car jump starter with built‑in battery pack of 12 000–18 000 mAh and a peak current of 600 A. It weighs about 480 g and offers USB output, SOS and warning lighting, a cigarette‑lighter starter function and one‑way fast charging. Conversion efficiency is over 90 %. Multiple certifications include CE, FCC and RoHS.