This article covers TESSAN 延長コード 5m 超薄型 (8-in-1.

Overview

The TESSAN 5m Slim Extension Cord is an 8-in-1 power strip that combines 4 AC outlets with 4 USB ports (2 USB-C and 2 USB-A). Its standout feature is the ultra-slim body, just 2.6 cm thick, which makes it easy to slide into tight spaces on a desk or in a travel bag. The built-in USB-C port supports Power Delivery up to 20W, allowing rapid charging for modern smartphones and tablets. With a 5-meter cable and a 45-degree flat plug, it reaches distant outlets neatly without clutter. This power tap is designed for home, office, and travel use, accommodating up to 8 devices simultaneously.

Connectivity & Compatibility

The power strip is rated for 100V AC at a maximum total load of 1500W. The USB ports feature Smart IC technology that automatically detects connected devices and delivers the optimal charging current: USB-C up to 20W (PD), USB-A up to 12W (5V/2.4A). The AC socket spacing is 36 mm, providing enough room for bulky adapters without blocking adjacent outlets. It is compatible with any standard Japanese wall outlet and works with a wide range of USB-chargeable devices including iPhones, Android phones, tablets, gaming consoles, and cameras.

Product Info

Launched around 2025, this TESSAN model targets the entry-to-mid-range market segment. It offers a compelling balance of slim design, USB fast charging, and generous cable length at an affordable price. The product is sold primarily through and major electronics retailers; it comes with a standard one-year warranty (seller-dependent). Its key selling point is space-saving: unlike conventional bulky power strips, it can be tucked away in narrow gaps while still providing full functionality.

Best Use Cases

First, this power tap is ideal for desk organization in home offices or dorm rooms. Its slim profile fits under monitors or behind furniture, reducing wire clutter. Second, it is a great travel companion: the 5m cable reaches distant hotel outlets, and the built-in USB ports eliminate the need for separate chargers. Third, families with multiple smartphones, tablets, and other small electronics will appreciate being able to charge up to eight devices from a single outlet. However, it is not designed for high-power appliances such as refrigerators, heaters, or high-end desktop PCs.