The AC1203 is our high-capacity compact lithium jump starter, delivering 1200 peak amps to reliably start vehicles up to 7.2L gasoline or 5.5L diesel engines. The upgraded lithium-polymer battery provides up to 30 jump-starts on a single charge — ideal for fleet vehicles, family road trips, and professional use. The massive 12000mAh battery capacity serves double duty as a portable power bank. The smart USB port with intelligent device detection charges your laptop, tablet, and smartphone at optimized speeds. Advanced 10-layer safety protection includes spark-proof, reverse-polarity, over-current, over-voltage, over-charge, over-discharge, short-circuit, and temperature protection — exceeding industry safety standards. A 400-lumen LED flashlight provides powerful illumination with steady, strobe, and SOS modes. The premium rubberized housing with IP64 water resistance shrugs off rain, dust, and minor drops. The AC1203 is the jump starter for those who demand the highest capacity and most comprehensive safety features in a portable package.