A must have for your car! : This device is a powerful jump-starter, packs 1000 peak amps, rechargeable 12 volt power supply and 150 PSI Tire Inflator in one handy unit! Suitable for power outages, emergencies or your family camping trip. Specification: • Model: JS87 • Battery: 12AH • Output:5VDC/2.4A(USB) • Peak Battery: 1000 A • Tire Inflator: 150PSI • N.W.(KG):6.41KG Warnings: • Do not open the case of the power station and disassemble the unit • Do not allow the positive and negative booster clamps of the jumpstart system to come into contact with each other • Be sure to remove all metal items(watches,necklaces,rings,etc) before using the jumpstart system • Always turn the jumpstart system off when not in use.Store in a cool,dry place Note: The portable power station must be fully charged for 24h before first use.Failure to do so may permanently damage battery.