Product / system scope unresolved. Listed on the California Energy Commission Battery List (data unchanged since October 1, 2026; downloaded October 11, 2026) as Fortress Power LLC "eFlex Max 5.4": UL 1973, certifying entity Intertek, certificate date 2024-06-27, Ed. 3 : 2022, CEC listing date 2024-10-01. A state equipment list entry, not the certification body's own record.
Product / system scope unresolved. Model eFlex MAX 5.4 listed on the California Energy Commission Battery List (data unchanged since October 1, 2026; downloaded October 11, 2026) under Fortress Power LLC, as "eFlex Max 5.4", CEC listing date 2024-10-01. The list prints "eFlex Max 5.4"; the record's model "eFlex MAX 5.4" differs only in letter case. This is an equipment listing, not UL certification or complete-system approval.
Product / system scope unresolved. Listed on the California Energy Commission Battery List (data unchanged since October 1, 2026; downloaded October 11, 2026) as Fortress Power LLC "eForce 9.6": UL 1973, certifying entity Intertek, certificate date 2024-10-09, Ed. 3 : 2022, CEC listing date 2024-12-02. A state equipment list entry, not the certification body's own record.
Product / system scope unresolved. Model eBoost DC Energy Storage System 16 P1 listed on the California Energy Commission Energy Storage System List (data unchanged since October 1, 2026; downloaded October 11, 2026) under Fortress Power LLC, as "eBoost DC Energy Storage System 16 P1" (row 1877), CEC listing date 2025-12-22. Fortress Power's eBoost data sheet prints "eBoost DC Energy Storage System 16 P1" as the Model Number of the eBoost 16. This is an equipment listing, not UL certification or complete-system approval.
Product / system scope unresolved. Listed on the California Energy Commission Battery List (data unchanged since October 1, 2026; downloaded October 11, 2026) as Fortress Power LLC "eFlex 5.4": UL 1973, certifying entity Intertek, certificate date 2020-08-11, Ed. 2 : 2018, CEC listing date 2020-09-11. A state equipment list entry, not the certification body's own record.
Product / system scope unresolved. Listed on the California Energy Commission Energy Storage System List (data unchanged since October 1, 2026; downloaded October 11, 2026) as Fortress Power LLC "eFlex 5.4": UL 9540, certifying entity Intertek, certificate date 2021-04-26, Ed. 1 : 2016, CEC listing date 2021-06-21. A state equipment list entry, not the certification body's own record.
Product / system scope unresolved. Model eFlex 5.4 listed on the California Energy Commission Battery List (data unchanged since October 1, 2026; downloaded October 11, 2026) under Fortress Power LLC (brand Fortress Power), as "eFlex 5.4", CEC listing date 2020-09-11. This is an equipment listing, not UL certification or complete-system approval.
Product / system scope unresolved. Model eFlex 5.4 listed on the California Energy Commission Energy Storage System List (data unchanged since October 1, 2026; downloaded October 11, 2026) under Fortress Power LLC, as "eFlex 5.4", CEC listing date 2021-06-21. This is an equipment listing, not UL certification or complete-system approval.
Product / system scope unresolved. Listed on the California Energy Commission Battery List (data unchanged since October 1, 2026; downloaded October 11, 2026) as Fortress Power LLC "FP-Nano-S8-I": UL 1973, certifying entity SGS, certificate date 2026-04-07, Ed. 3 : 2022, CEC listing date 2026-05-21. A state equipment list entry, not the certification body's own record.
Product / system scope unresolved. Model FP-Nano-S8-I listed on the California Energy Commission Battery List (data unchanged since October 1, 2026; downloaded October 11, 2026) under Fortress Power LLC, as "FP-Nano-S8-I"; "FP-Nano-S8-O", CEC listing date 2026-05-21. Matched on the record's model alias "FP-Nano-S8-I". This is an equipment listing, not UL certification or complete-system approval.
Product / system scope unresolved. Model FP-Nano-S8-O listed on the California Energy Commission Energy Storage System List (data unchanged since October 1, 2026; downloaded October 11, 2026) under Fortress Power LLC (brand Fortress Power), as "FP-Nano-S8-O", CEC listing date 2026-05-11. Matched on the record's model alias "FP-Nano-S8-O". This is an equipment listing, not UL certification or complete-system approval.
Product / system scope unresolved. Listed on the California Energy Commission Battery List (data unchanged since October 1, 2026; downloaded October 11, 2026) as Fortress Power LLC "FP-Nano-S12-I": UL 1973, certifying entity SGS, certificate date 2026-04-07, Ed. 3 : 2022, CEC listing date 2026-05-21. A state equipment list entry, not the certification body's own record.
Product / system scope unresolved. Model FP-Nano-S12-I listed on the California Energy Commission Battery List (data unchanged since October 1, 2026; downloaded October 11, 2026) under Fortress Power LLC, as "FP-Nano-S12-I"; "FP-Nano-S12-O", CEC listing date 2026-05-21. Matched on the record's model alias "FP-Nano-S12-I". This is an equipment listing, not UL certification or complete-system approval.
Product / system scope unresolved. Model FP-Nano-S12-O listed on the California Energy Commission Energy Storage System List (data unchanged since October 1, 2026; downloaded October 11, 2026) under Fortress Power LLC (brand Fortress Power), as "FP-Nano-S12-O", CEC listing date 2026-05-11. Matched on the record's model alias "FP-Nano-S12-O". This is an equipment listing, not UL certification or complete-system approval.
Product / system scope unresolved. Model FP-Nano-S4-I listed on the California Energy Commission Battery List (data unchanged since October 1, 2026; downloaded October 11, 2026) under Fortress Power LLC, as "FP-Nano-S4-I", CEC listing date 2026-05-21. This is an equipment listing, not UL certification or complete-system approval.
Product / system scope unresolved. Listed on the California Energy Commission Battery List (data unchanged since October 1, 2026; downloaded October 11, 2026) as Fortress Power LLC "FP-Nano-S4-I": UL 1973, certifying entity SGS, certificate date 2026-04-07, Ed. 3 : 2022. A state equipment list entry, not the certification body's own record.
Product / system scope unresolved. Model FP-Nano-S4-O listed on the California Energy Commission Battery List (data unchanged since October 1, 2026; downloaded October 11, 2026) under Fortress Power LLC, as "FP-Nano-S4-O", CEC listing date 2026-05-21. This is an equipment listing, not UL certification or complete-system approval.
Product / system scope unresolved. Listed on the California Energy Commission Battery List (data unchanged since October 1, 2026; downloaded October 11, 2026) as Fortress Power LLC "FP-Nano-S4-O": UL 1973, certifying entity SGS, certificate date 2026-04-07, Ed. 3 : 2022. A state equipment list entry, not the certification body's own record.
Product / system scope unresolved. Model FP-Nano-S5-I listed on the California Energy Commission Battery List (data unchanged since October 1, 2026; downloaded October 11, 2026) under Fortress Power LLC, as "FP-Nano-S5-I", CEC listing date 2026-05-21. This is an equipment listing, not UL certification or complete-system approval.
Product / system scope unresolved. Listed on the California Energy Commission Battery List (data unchanged since October 1, 2026; downloaded October 11, 2026) as Fortress Power LLC "FP-Nano-S5-I": UL 1973, certifying entity SGS, certificate date 2026-04-07, Ed. 3 : 2022. A state equipment list entry, not the certification body's own record.
Product / system scope unresolved. Model FP-Nano-S5-O listed on the California Energy Commission Battery List (data unchanged since October 1, 2026; downloaded October 11, 2026) under Fortress Power LLC, as "FP-Nano-S5-O", CEC listing date 2026-05-21. This is an equipment listing, not UL certification or complete-system approval.
Product / system scope unresolved. Listed on the California Energy Commission Battery List (data unchanged since October 1, 2026; downloaded October 11, 2026) as Fortress Power LLC "FP-Nano-S5-O": UL 1973, certifying entity SGS, certificate date 2026-04-07, Ed. 3 : 2022. A state equipment list entry, not the certification body's own record.
Product / system scope unresolved. Model FP-Nano-S6-I listed on the California Energy Commission Battery List (data unchanged since October 1, 2026; downloaded October 11, 2026) under Fortress Power LLC, as "FP-Nano-S6-I", CEC listing date 2026-05-21. This is an equipment listing, not UL certification or complete-system approval.
Product / system scope unresolved. Listed on the California Energy Commission Battery List (data unchanged since October 1, 2026; downloaded October 11, 2026) as Fortress Power LLC "FP-Nano-S6-I": UL 1973, certifying entity SGS, certificate date 2026-04-07, Ed. 3 : 2022. A state equipment list entry, not the certification body's own record.
This manufacturer is listed as Fortress Power. Manufacturing entities, factories, cell origin and model-specific ownership relationships have not been audited.
Product certificates and company management certificates are tracked separately. No company management certificates have been reviewed for this manufacturer yet.