The HYPS-400 is a powerful but compact 400Amp portable power bank /power supply and jump starter from Hyundai. Designed for charging all types portable battery powered equipment from mobile phones, laptops, tablets and single 12v lead battery battery vehicles. The HYPS-400 features low protection spark proof, reverse polarity protection and short circuit protection. This item can instantly jump start most single battery vehicles up to 30+ (over 30) times on a full charge. The HYPS-400 is also equipped with USB power output, 19VDC power output, 12VDC power output and LED flashlight. The HYPS-400 features a built-in intelligent microprocessor making charging faster, easier and safer. Compact and lightweight the HYPS-400 is ideal for roadside emergencies and provide hours of power to mobile devices. The HYPS-400 safety features include spark proof, reverse polarity protection, short circuit protection, low voltage protection (for portable power supply itself) overcharge protection and reverse charge protection. Supplied with a durable carry case and accessory kit the HYPS-400 is a all in one portable power supply for muliple devices In the box: HYPS-400 power bank, smart jumper clamps, carry case, charging cables and user manual. Covered by Hyundai 1 year warranty.