Exhibit 24.1

POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS THAT the undersigned, a director of Energy Focus, Inc., a Delaware corporation (the “Company”), does hereby constitute and appoint Theodore L. Tewksbury III and Jerry Turin, or any one or more of them, his or her true and lawful attorney, for him or her and in his or her name, place and stead, to execute, by manual or facsimile signature, electronic transmission or otherwise, the Annual Report on Form 10-K of the Company for the year ended December 31, 2018, and any amendments or supplements to said Annual Report and to cause the same to be filed with the Securities and Exchange Commission, together with any exhibits, financial statements and schedules included or to be incorporated by reference therein, hereby granting to said attorneys full power and authority to do and perform each and every act and thing whatsoever requisite or desirable to be done in and about the premises as fully to all intents and purposes as the undersigned might or could do in person, hereby ratifying and confirming all acts and things which said attorneys may do or cause to be done by virtue of these presents.

IN WITNESS WHEREOF, the undersigned has hereunto set his or her hand and seal as of the 28 day of March, 2019.

 /s/ Ronald D. Black

Ronald D. Black

POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS THAT the undersigned, a director of Energy Focus, Inc., a Delaware corporation (the “Company”), does hereby constitute and appoint Theodore L. Tewksbury III and Jerry Turin, or any one or more of them, his or her true and lawful attorney, for him or her and in his or her name, place and stead, to execute, by manual or facsimile signature, electronic transmission or otherwise, the Annual Report on Form 10-K of the Company for the year ended December 31, 2018, and any amendments or supplements to said Annual Report and to cause the same to be filed with the Securities and Exchange Commission, together with any exhibits, financial statements and schedules included or to be incorporated by reference therein, hereby granting to said attorneys full power and authority to do and perform each and every act and thing whatsoever requisite or desirable to be done in and about the premises as fully to all intents and purposes as the undersigned might or could do in person, hereby ratifying and confirming all acts and things which said attorneys may do or cause to be done by virtue of these presents.

IN WITNESS WHEREOF, the undersigned has hereunto set his or her hand and seal as of the 28 day of March, 2019.

 /s/ Jennifer Y. Cheng

Jennifer Y. Cheng

POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS THAT the undersigned, a director of Energy Focus, Inc., a Delaware corporation (the “Company”), does hereby constitute and appoint Theodore L. Tewksbury III and Jerry Turin, or any one or more of them, his or her true and lawful attorney, for him or her and in his or her name, place and stead, to execute, by manual or facsimile signature, electronic transmission or otherwise, the Annual Report on Form 10-K of the Company for the year ended December 31, 2018, and any amendments or supplements to said Annual Report and to cause the same to be filed with the Securities and Exchange Commission, together with any exhibits, financial statements and schedules included or to be incorporated by reference therein, hereby granting to said attorneys full power and authority to do and perform each and every act and thing whatsoever requisite or desirable to be done in and about the premises as fully to all intents and purposes as the undersigned might or could do in person, hereby ratifying and confirming all acts and things which said attorneys may do or cause to be done by virtue of these presents.

IN WITNESS WHEREOF, the undersigned has hereunto set his or her hand and seal as of the 28 day of March, 2019.

 /s/ Marc J. Eisenberg

Marc J. Eisenberg

POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS THAT the undersigned, a director of Energy Focus, Inc., a Delaware corporation (the “Company”), does hereby constitute and appoint Theodore L. Tewksbury III and Jerry Turin, or any one or more of them, his or her true and lawful attorney, for him or her and in his or her name, place and stead, to execute, by manual or facsimile signature, electronic transmission or otherwise, the Annual Report on Form 10-K of the Company for the year ended December 31, 2018, and any amendments or supplements to said Annual Report and to cause the same to be filed with the Securities and Exchange Commission, together with any exhibits, financial statements and schedules included or to be incorporated by reference therein, hereby granting to said attorneys full power and authority to do and perform each and every act and thing whatsoever requisite or desirable to be done in and about the premises as fully to all intents and purposes as the undersigned might or could do in person, hereby ratifying and confirming all acts and things which said attorneys may do or cause to be done by virtue of these presents.

IN WITNESS WHEREOF, the undersigned has hereunto set his or her hand and seal as of the 30 day of March, 2019.

 /s/ Geraldine F. McManus

Geraldine F. McManus

POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS THAT the undersigned, a director of Energy Focus, Inc., a Delaware corporation (the “Company”), does hereby constitute and appoint Theodore L. Tewksbury III and Jerry Turin, or any one or more of them, his or her true and lawful attorney, for him or her and in his or her name, place and stead, to execute, by manual or facsimile signature, electronic transmission or otherwise, the Annual Report on Form 10-K of the Company for the year ended December 31, 2018, and any amendments or supplements to said Annual Report and to cause the same to be filed with the Securities and Exchange Commission, together with any exhibits, financial statements and schedules included or to be incorporated by reference therein, hereby granting to said attorneys full power and authority to do and perform each and every act and thing whatsoever requisite or desirable to be done in and about the premises as fully to all intents and purposes as the undersigned might or could do in person, hereby ratifying and confirming all acts and things which said attorneys may do or cause to be done by virtue of these presents.

IN WITNESS WHEREOF, the undersigned has hereunto set his or her hand and seal as of the 28 day of March, 2019.

 /s/ Michael R. Ramelot

Michael R. Ramelot

POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS THAT the undersigned, a director of Energy Focus, Inc., a Delaware corporation (the “Company”), does hereby constitute and appoint Theodore L. Tewksbury III and Jerry Turin, or any one or more of them, his or her true and lawful attorney, for him or her and in his or her name, place and stead, to execute, by manual or facsimile signature, electronic transmission or otherwise, the Annual Report on Form 10-K of the Company for the year ended December 31, 2018, and any amendments or supplements to said Annual Report and to cause the same to be filed with the Securities and Exchange Commission, together with any exhibits, financial statements and schedules included or to be incorporated by reference therein, hereby granting to said attorneys full power and authority to do and perform each and every act and thing whatsoever requisite or desirable to be done in and about the premises as fully to all intents and purposes as the undersigned might or could do in person, hereby ratifying and confirming all acts and things which said attorneys may do or cause to be done by virtue of these presents.

IN WITNESS WHEREOF, the undersigned has hereunto set his or her hand and seal as of the 28 day of March, 2019.

 /s/ Satish Rishi

Satish Rishi