Car Jump Starter: With a rugged built-in clamp and cable, or with a peak current of 300 Amp you can jump start a remote electronic main circuit up to 20 times (max. Gasoline 2.5 L). • External battery charger: Up to 2.1 Amp for USB, 12 V for 12 V output port (capacity 8000 mAh) for charging cell phone, tablet or other equipment. • Firmly Protected: This product with the finest batteries, circuits and safety performance protects you and your equipment from surge currents and shorts. By using AC adapter or car adapter, it can charge in only 4 hours. • LED light: Ultra-bright LED flash light, strobe light, SOS signal light, lasting over 120 hours. • Product Details: Arteck multifunction car jump starter External battery, input charge cable, clamp for jumper cable, user manual