It’s a fast wall charger. 

According to one listing, the A1020 model supports double fast charging and is rated for 45 W output. 

Charge your phone/tablet devices conveniently and save your money

Shplus 9A USB charger is built with premium technology and advanced engineering—offering fast, durable connections for all phones and tablets.

Premium Performance: 9A USB output with total output voltage of 5V and input with 100-240V enables you to charge your mobile devices continuously at high speed. It can really save your time.

Safety Assurance: Shplus charger has a protection system against overcharging, over-current and overheating. The charger will automatically stop charging when power is full, which can maximally protect your device.

Lightweight: Home charger adapter allows charging at home or in the office via USB cable connection. Simply plug in the USB cable, and plug the adapter into the wall. Compact, lightweight, portable, stylish, easy to store.

Multipurpose: Pure adaptively designed makes it usable for all devices. You can share them with your lover, family, or friends. strengthen your relationship

Other Features:

Easy access to one port of outlet or power strip and offer 9A charging speed to eliminate the need for endless waiting time as many chargers in the market require.

Automatically allocate the most efficient charging current for your device at a full speed up to 9 amps.

The lightweight and compact construction does not add any weight or bulk to your purse or pocket, allowing for easy use on the go.

The charger automatically matches the fastest possible charging current for your devices hence the adaptivity