Is this product UL listed?

I don't see anywhere on the page that it is. If it is thoug, it would be listed on here.

Is this UL listed, or have any other certification?

Dear, This product has passed the UL 62368-1 safety test and has an 18-month warranty, you can rest assured that it's safe to use.

is the 2.4a per line or the total of 3 usb line

I think the answer from the Tessan Direct Seller is too vague and did not clearly answer the question. If each of the three USB ports can provide 2.4a all at the same time then this unit provides 36 watts of output. I've yet to find any unit like this that puts out that much power, so I suspect the 2.4 amps they mention is the total for all three ports. So one port could provide 2.4 amps so long ass the other two ports were not being used.

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TESSAN USB C Charger Block 20W PD, Fast Charging Adapter with Foldable Plug, 1875W Power Outlet Extender(4 AC and 4 USB) for Cruise, Home, Office, Dorm Room Essentials, Grey

Product ID: 213050506

Details

Amperage
15 Amps
Brand
TESSAN
Color
Grey
Connector Type
USB
Included Components
2 x Plug
Number of Items
1

⚡20W USB-C PD Fast Charge

👜Foldable Plug for Travel

🔌4 AC Outlets, 1875W Max

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Description

🔋 Power-packed, pocket-friendly, and ready to charge your hustle.

PLUG MORE WORRY LESS - 4 AC outlets plus 4 USB ports let you charge up to 8 devices simultaneously—perfect for multitasking pros.
CRUISE COMMUTE ESSENTIAL - No surge protection means safe, reliable charging on cruises and in dorms—your versatile companion for every setting.
POWER UP AT LIGHTNING SPEED - 20W USB-C PD ports slash your device charging time, keeping you powered and productive.
SPACE SMART OUTLET EXTENDER - 4-sided outlet design accommodates bulky plugs without blocking adjacent sockets—maximize every inch of your workspace.
TRAVEL READY COMPACT DESIGN - Foldable prongs and lightweight build fit effortlessly in your bag, making it your ultimate on-the-go power hub.

The TESSAN USB C Charger Block 20W is a compact, foldable power adapter featuring 4 AC outlets (up to 1875W) and 4 USB ports (2 USB-C with 20W PD fast charging, 2 USB-A at 12W each). Designed for travel and multitasking, it supports simultaneous charging of up to 8 devices, fits standard and decorator outlets without blocking, and is lightweight for easy portability—ideal for home, office, dorm, or cruise use.

Specifications

ASIN	B08B3986P8
Additional Features	Compact
Amperage	15 Amps
Best Sellers Rank	#660 in Cell Phones & Accessories ( See Top 100 in Cell Phones & Accessories ) #93 in Cell Phone Wall Chargers
Brand	TESSAN
Built-In Media	2 x Plug
Color	Grey
Compatible Devices	Air Conditioner, Audio Sound System, Cameras, Cellular Phones, Coffee Machine, DVD Player, E-Book Readers, Electric Fountain, Fan, Fax Machine, Freezer, Game Consoles, Hair Dryer, Heater, Home Theater, Iron, Juicer, Lamp, Laptops, Light, MP3 Players, Microwave Oven, Mixer Grinder, Modem, Monitors, Noise Maker, PC, Printers, Projectors, Radio, Refrigerator, Rice Cooker, Router, Scanner, Set Top Box…
Connectivity Technology	USB
Connector Type	USB
Customer Reviews	4.7 4.7 out of 5 stars (12,401)
Enclosure Material	Plastic
Item Weight	4 ounces
Manufacturer	Zhuhai Tessan Power Technology Co., Ltd.
Mfr Part Number	TS-WS06US00
Model Number	TS-WS06US00
Number of Items	1
Output Voltage	5 Volts
Plug Type	Type B
Portable	Yes
Power Plug	Type B - 3 pin (North American)
Power Source	AC
Total USB 2.0 Ports	3
Total USB 3.0 Ports	3
Total Usb Ports	3
Unit Count	1.0 Count
Voltage	125
Warranty Description	2 years
Wattage	1250 watts

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¥4554

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In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

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