12V Car Jump StarterPower Bank Portable 600A Car Battery Booster ChargerStarting Device Auto Emergen

Charge phone tablet only when it's in urgent need. efficiency is about 50%.The charge speed or discharge speed will be fast during the last 15% power of the jump . Please do not worry about these problems. This is the characteristic of high-rate lithium batteries, and it will not affect product quality and normal use.Specifications: Battery Capacity: 18800 mAh Current: 60AStarting Current: 300ACar Output: 12VUSB Output : 5V-1AGas Engine Starting: Up to 6.0L Engine Starting: Up to 4.0LOperating Temperature: -40-80Why it's necessary to get a jump ?1. Long standby time, car battery run out; 2. Make preparation for a long driving trip; 3. Your car can't start due to low power or freezing winter.Material: plasticcolour: Black+redPackage Contents: 1 x Car Jump Power BankOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.