UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16 UNDER

THE SECURITIES EXCHANGE ACT OF 1934

For the month of November 2026

Commission File Number: 001-42208

XCHG Limited

(Exact Name of Registrant as Specified in Its Charter)

XCharge Europe GmbH, Heselstücken 18,

22453 Hamburg, Germany

XCharge Energy USA Inc, 19121 Marketplace Avenue,

Building 2-Suite 2-145, Kyle, TX 78640, United States

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.

INFORMATION CONTAINED IN THIS REPORT ON FORM 6-K

XCHG Limited (the “Company”) is filing this Report on Form 6-K to provide its notice for its extraordinary general meeting of shareholders scheduled for 9:00 A.M., Central Standard time, on December 4, 2026 (10:00 A.M., Eastern time, on December 4, 2026) at 19121 Marketplace Avenue, Building 2-Suite 2-145, Kyle, TX 78640, United States.

In connection with the extraordinary general meeting of shareholders of the Company, the Company hereby furnishes the following document which are incorporated by reference herein:

EXHIBIT INDEX

Exhibit No. Description

99.1 Notice of Extraordinary General Meeting to Class A Shareholders, dated November 3, 2026

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.