Suggested Retail:$51. Roav Jump Starter Pro, 800A Peak 12V for Gas Engines up to 6.0L or Diesel Engines up to 3.0L, Emergency Portable Charger with Advanced Safety Protection, Built-in LED Flashlight and Compass (Renewed). Jump Larger Engines: Start gas engines up to 6.0L or diesel engines up to 3.0L up to 15 times on a single charge. The operating temperature for this device is between 32°F and 140°F. Please ensure the battery level is above 50% before use. Battery Monitor: Clamp to your battery without plugging in to the jumpstarter to get an instant readout of your car's battery status. The Lifesaver: Light up the night with the high-intensity LED lamp, charge your phone with two high-speed USB ports, and find your way with the built-in compass. 7 DAY FULL REFUND GUARANTEE ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 DAY STORAGE IS ALSO AVAILABLE. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.