Frequently Asked Questions

Find answers to common questions about TESSAN power solutions

Are TESSAN power strips compatible with international voltages?

Most TESSAN adapters are designed for wide voltage ranges (100V-250V), but please check the specific product specifications as some models do not convert voltage.

Do your USB charging ports support fast charging?

Yes, our latest models feature smart IC technology that automatically detects your device to deliver the fastest possible charging speed up to 2.4A per port.

Are TESSAN products cruise ship approved?

Many of our models are designed without surge protection specifically to comply with major cruise line safety regulations.

What safety certifications do your products hold?

All TESSAN electronics are rigorously tested and hold certifications such as CE, FCC, and RoHS to ensure maximum safety for your home.

Can I use high-power appliances with TESSAN plug extenders?

Our extenders are rated for up to 1875W/15A. We recommend checking the wattage of appliances like space heaters or hair dryers before use.

Does my purchase include a warranty?

Every TESSAN product comes with a standard 18-month worry-free warranty and lifetime technical support.