Read more Providing jump start power for various vehicles Whenever your vehicle's battery is dead or it needs a jump,kinverch jump starter allow you to jump your battery back to life .These jump starters can deliver the jump-starting power from 450 instant starting amps up to 900 peak amps. That's enough power to jump-start your car, truck, SUV, motorcycle, boat, RV, ATV, or tractor as long as it's with a 12 V battery and maximum 3 L engine . Read more Two ways for charging Being equipped with 12 Volt battery , You can not only charge it with AC adapter at home but also charge it with DC adapter in your car. Read more high-performanced battery Kinverch jump starter features high-performanced battery .which are specifically developed to jump start the cars , to deliver excellent cranking power, to extend cranking duration and a long service life. battery running time 4W cell phone : 24hour 9W carfan :10.6hour 48W 12V cooler: 2hour 55W spotlight: 1.33hou Provide charging for small devices you can charge your devices like phone, kindle, fans ,car vacuum and other small loads at the same time with one USB port and two 12v DC charging ports. Excellent air compressor Kinverch jump starter comes along with an excellent air compressor , It takes only 6-8 minutes to inflate a regular car tire to 30 PSI . What also can’t be ignored is that the accurate reading of the pressure gauge is no worse than a digital pressure gauge . Bright LED light With an extra bright LED light which is incredibly helpful when trying to jump start your dead battery in the dark and also makes you more visible to passing vehicles on the side of the road. Read more Model:JS87-KA 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: USB output:5V DC/2.4A(USB) DC output:12V 150W AC output: without Inverter: without Battery output :1000 peak amp /500 constant amp Lead acid battery: 12v 12AH net Weight: 6.41kg/14.1lb Dimension:12.4x 8.7x 9.4 Inch Tips : • if the battery is not frequently used , please recharge it each two months. • Do not allow the positive and negative booster clamps of the jump start system to come into contact with each other. • Always turn the jump start system off when not in use.Store in a cool,dry place. • The LED light only shows red or yellow when it’s charging. After 24 hours charging , Only after you press the battery status button ( a button besides the LED light ) . At this time , The four LED light shows red, yellow , green green respectively if it’s fully charged . JS86-K JS87-K JS88-K Voltage 12V 12V 12V Amp Hours 9 AH 12 AH 18 AH Peak Amps 900Peak 1000Peak 1500Peak Compressor ✓ ✓ ✓ Inverter ✓ USB Power ✓ ✓ ✓ 12V DC Port Plug In ✓ ✓ ✓ LED Light ✓ ✓ ✓ Reverse Polarity LED indicator ✓ ✓ ✓