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ESR

ESR makes power banks and wireless chargers. Its official website is esrtech.com. In the US trademark register, the ESR trademark is held by Utility Innovation Holdings, Inc. and Electronic Silk Road (Shenzhen) Tech Co., Ltd.

Every fact on this page links to its source. The facts were collected automatically from ESR's official website and public registries on October 3, 2026, and have not yet been reviewed by a person. Found an error? Tell us.

At a glance

Official website
esrtech.com[1]
US trademark held by
Utility Innovation Holdings, Inc.; Electronic Silk Road (Shenzhen) Tech Co., Ltd.
Official country sites
25 countries and regions

What ESR makes

Who owns ESR

Holders of the ESR trademark in the US register (USPTO). A trademark holder is usually the company that owns the brand, but can also be a regional subsidiary or a licensee.

Where to buy genuine ESR

Directly from the official website: esrtech.com[1]

We have not yet collected an authorized dealer list for ESR.

Contact ESR

Email
[email protected] [2]
Email
[email protected] [3]
Email
[email protected] [3]
Email
[email protected] [3]
Email
[email protected] [3]
Email
[email protected] [3]
Email
[email protected] [3]
Warranty
esrtech.com/pages/warranty-policy [1]

Official websites and accounts

FacebookInstagramTikTokYouTubeX (Twitter)[1]

Official websites by country (25)
Country or regionWebsite
Australiawww.esrtech.com/en-au[1]
Austriawww.esrtech.com/en-eu[1]
Austriawww.esrtech.com/fr-eu[1]
Belgiumwww.esrtech.com/en-eu[1]
Belgiumwww.esrtech.com/fr-eu[1]
Canadawww.esrtech.com/en-ca[1]
Czechiawww.esrtech.com/en-eu[1]
Czechiawww.esrtech.com/fr-eu[1]
Denmarkwww.esrtech.com/en-eu[1]
Denmarkwww.esrtech.com/fr-eu[1]
Finlandwww.esrtech.com/en-eu[1]
Finlandwww.esrtech.com/fr-eu[1]
Francewww.esrtech.com/en-fr[1]
Francewww.esrtech.com/fr-fr[1]
Germanywww.esrtech.com/de-de[1]
Germanywww.esrtech.com/en-de[1]
Greecewww.esrtech.com/en-eu[1]
Greecewww.esrtech.com/fr-eu[1]
Hungarywww.esrtech.com/en-eu[1]
Hungarywww.esrtech.com/fr-eu[1]
Indiain.esrtech.com[1]
Irelandwww.esrtech.com/en-eu[1]
Irelandwww.esrtech.com/fr-eu[1]
Italywww.esrtech.com/en-eu[1]
Italywww.esrtech.com/fr-eu[1]
Japanesrtech.jp[1]
Japanwww.esrtech.com/en-jp[1]
Luxembourgwww.esrtech.com/en-eu[1]
Luxembourgwww.esrtech.com/fr-eu[1]
Netherlandswww.esrtech.com/en-eu[1]
Netherlandswww.esrtech.com/fr-eu[1]
Polandwww.esrtech.com/en-eu[1]
Polandwww.esrtech.com/fr-eu[1]
Portugalwww.esrtech.com/en-eu[1]
Portugalwww.esrtech.com/fr-eu[1]
Slovakiawww.esrtech.com/en-eu[1]
Slovakiawww.esrtech.com/fr-eu[1]
Sloveniawww.esrtech.com/en-eu[1]
Sloveniawww.esrtech.com/fr-eu[1]
Spainwww.esrtech.com/en-eu[1]
Spainwww.esrtech.com/fr-eu[1]
Swedenwww.esrtech.com/en-eu[1]
Swedenwww.esrtech.com/fr-eu[1]
Taiwantw.esrtech.com[1]
United Kingdomwww.esrtech.com/en-gb[1]

Sources

  1. Official website: ESR TECH Made Easier | Premium Charging Accessories And More (retrieved October 3, 2026)
  2. Official website: Terms of Use | ESR TECH (retrieved October 3, 2026)
  3. Official website: Contact us - Custom ESR Tech (retrieved October 3, 2026)
  4. Trademark registry: US trademark serial 99092648 (retrieved October 3, 2026)
  5. Trademark registry: US trademark serial 79370600 (retrieved October 3, 2026)
  6. Trademark registry: US trademark serial 86155855 (retrieved October 3, 2026)

Machine-readable version: /data/brand/esr.json