More Powerful Booster For Car BatteryFLYSAIL car jump starter has enough power (800A peak current) to jump start most 12 volt vehicles on the road! (up to 6.0L gas or 3.0L diesel engines) Works with cars, motorcycles, watercraft, lawnmowers, yachts, boat, pickup, snowmobiles, even in extreme temperature(-4F~149F) Portable Emergency Power BankNot only as a car battery jump starter, but also can used as an emergency power bank. Designed with USB output (5V/2A), the quick charge 3.0 USB port can adjust power output to fully charge your cellphones, tablets, and other mobile devices at the fastest speed possible. Multifunctional LED Flashlight The car battery charger jump starters has a built-in LED flashlight with 3 modes: Flashlight, SOS, Strobe. It can help to see the car repair situation clearly when it is in the dark, and it is safer when it is outdoors. It's for camping, outdoors, picnic, emergencies, travel, etc. Portable and CompactThis car battery jump starter is different from the traditional bulky starter,its small enough to store in your glovebox and light enough to pack in your bag.This portable jump starter power bank start the engine successfully in 4 steps, even beginners who are not familiar with cars can start the engine easily. Buy Car Jump Starter You Will Get1*Portable Car Battery Jump Starter, 1*Jumper Clamps, 1*USB Charging Cable, 1*Car Charger, 1*Kit Bag, 1*User Manual. Moreover, with our excellent after-sales service, just enjoy the Car battery jump starter.