AstroAI Handheld Cordless Tire Inflator with 20V Rechargeable Battery and 12V Car Power Adapter Digital Pressure Gauge (160PSI, Yellow)

No. The device comes with a rechargeable lithium battery pack.

Yes, the battery and battery charger are included with the air compressor. You can also purchase them separately if you need an extra one.

The gas flow is about 22L/min, but the higher the demand pressure, the smaller the flow will be.

Hello customer, this air compressor is to inflate and does not have the function to deflate.

Hello customer, the working environment temperature of this device is -20℃ to 60℃, but we do not recommend that you store the air compressor at a high temperature or in a humid environment for a long time, otherwise, the performance will be affected.

Hello customer, the hose length is 19.7 inches(50 cm). The AC power charger length is 5.9 ft (1.8 m). The DC power cable length is 9.84ft(3m).

Hi customer, thanks for your question. This item is not waterproof. Please refer to the first part of the user manual-the WARNING to use the air compressor safely. Best wishes!-AstroAI

Hi customer, thanks for your question. You can use either our 10A or 15A AC to DC converter.

Hi customer, when the LED indicator on the charger turns green, the battery is fully charged.

Hi customer, thanks for your questions. 1. The specification of the fuse is 15A, 250V, 6x30mm. You can purchase spare ones according to your need. 2. The small light can't be turned off separately as there is no switch for it. I am very sorry for this inconvenience.