• Q1:Will the YESPER YJS20 can start a 6-cylinder Toyota minivan with a dead battery？
• A1:Yes， YESPER YJS20 will be compatible with 9L gas and 7L diesel engine as long as your car battery is 12V even if it's a dead battery
• Q2: Can I use it to start if my car battery is completely dead
• A2: Yes, if the jumper cables have no INDICATOR LIGHT light on, it means the battery voltage is too low or dead, please press the BOOST button, wait for the GREEN INDICATOR LIGHT light on, and please start your car within the 30s

Features & details

• Smart Lithium Jump Starter - Rated at REAL 2160A peak current, This YJS20 car battery booster pack can easily start most 12V vehicles(up to 9.0L Gas and 7.0L diesel engines) in seconds - up to 50 times on a single charge - works even in extreme climate -4~140℉.
  
• All-new Design - The new YJS series jump boxes equipped with rugged ABS casing is fire-proof, dust-proof, and shock-proof for more sturdy and durable use. It comes in handy with the included EVA storage bag for camping or traveling, no waiting around, no leaving you stranded
• DSLI Technology - Our R&D team with professional battery experience over 10 years developed core intelligent technology (DSLI technology), which ensures the safety of the products with its microcomputer-controlled program including short-circuit protection, overcharging protection, energy-saving protection, and capacity management, is to protect our mini starters from damage or improper operation
• More Than a Jump Starter - It’s also a portable power bank for charging devices with REAL 59.2Wh(16000mAh) battery capacity, great for a quick emergency charge of your phone, tablet, camera, headphone, GPS, or other mobile devices through dual USB, Type-C and DC output ports. The built-in LED light with 3 modes: Flashlight, Strobe, and SOS
• Product Set - YESPER YJS20 Car Battery Jump Starter, Heavy-Duty Jumper Clamps, USB to Type C Cable, Cigarette Lighter Adapter, Carrying case, User Manual. And 18-month worry-free warranty & lifetime technical support. Feel free to contact us with any questions

Specifications: 
Brand: YESPER
Voltage: 12 Volts
Item dimensions L x W x H: 22.4 x 8.9 x 3.6 centimeters
Vehicle service type: Passenger Car
Item weight: 1.38 Pounds