How to 100% charge this car battery jump starter?

It is recommended to use a 18W wall charger and the USB charging cable in the package. Note: the 18W wall charger is not included. If the power is fully depleted, the battery will automatically calibrate and then charge again and it will go to 100%.

Can I use it to inflate my car tires?

Of course! 150PSI, 3X faster pumping speed than other pumps, 5 inflation modes, 3 optional units, 4 different nozzles for all your pumping needs! If you use inflator for a longer period of time, it is recommended to stop every 10 minutes to cool it.

Can I use the forced start mode to start my car in the cold winter? How is it used?

Yes, the forced start button is especially designed for bad weather, dead or low voltage batteries. Long press the forced start button for 3s and the indicator light changes to green , then start your car within 30s.

How to avoid power down caused by DC continuous output ( the green DC flashing on screen)?

If the DC continuous output mode is touched by mistake, DC keeps working, won't stop, causing complete power consumption. *After use, continuously press the ON/OFF button 5 times to turn off the DC continuous output mode to avoid power consumption.

How long can it last after recharging?

Hi, when you don't use it for a long time, it can stand by for about 24 months. However, in order to prolong the service life of the battery, we strongly recommend charging it every 2-3 months.

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