POWER OF ATTORNEY

The undersigned hereby makes, constitutes and appoints each of Rich Ting, Martin
Boskovich, Jeffrey Joseph, Mary Gallegly, Jamie Toothman, Ting He, Philip
McDermott, Jordan Mikes, Brian Price and Donna Choi Suh as a true and lawful
attorney-in-fact with full power of substitution and resubstitution, for and in
the name, place and stead of the undersigned (in the undersigned's individual
capacity, or in any other capacity, including, as applicable, in the
undersigned's capacity as a director, officer, principal, member or partner of
or in a limited liability company, as a partner of any partnership or as an
officer or director of any corporation for which the undersigned is otherwise
authorized to sign), to execute, deliver and file such forms, with all exhibits
thereto, documents, certificates, instruments, notices, statements, agreements
and other filings relating to the ownership, beneficial or otherwise, of
securities of Oaktree Strategic Income II, Inc. or any of its subsidiaries or
affiliates as may be required to be filed from time to time with the Securities
and Exchange Commission ("SEC") with respect to: (i) Sections 13(d), 13(f) and
16(a) of the Securities Exchange Act of 1934, as amended (the "Exchange Act"),
and the rules and regulations promulgated thereunder, as applicable, including,
without limitation, Schedule 13D, Schedule 13G, Form 13F, statements on Form 3,
Form 4 and Form 5 or any amendment thereto; (ii) any report or notice required
under Rule 144 of the Securities Act of 1933, as amended, including, without
limitation, Form 144, or any amendment thereto; and (iii) any and all other
documents that may be necessary or appropriate in connection with or in
furtherance of any of the foregoing, including, without limitation, any
application for EDGAR access codes, Form ID, or any amendments thereto, and any
other documents necessary or appropriate to obtain codes and passwords enabling
the undersigned to make electronic filings with the SEC of reports required
pursuant to Section 13(d) or Section 16(a) of the Exchange Act or any rule or
regulation of the SEC, such power and authority to extend to any form or forms
adopted by the SEC in lieu of or in addition to any of the foregoing; in each
case, as determined by such attorney-in-fact to be necessary or appropriate. Any
such determination shall be conclusively evidenced by such attorney-in-fact's
execution, delivery, furnishing and/or filing of the applicable document. Each
such attorney-in-fact may act separately or jointly.

All past acts of an attorney-in-fact in furtherance of the foregoing are hereby
ratified and confirmed.

This power of attorney shall remain in effect from the date hereof until the
date revoked by the undersigned in a signed writing delivered to the attorneys-
in-fact, and this power of attorney does not revoke or replace any other power
of attorney that the undersigned has previously granted.

IN WITNESS WHEREOF, I have executed this instrument as of the 2nd day of
October, 2018.


                                        By: /s/ Steve Mosko
                                            ------------------------------------
                                            Name: Steve Mosko