Charged Reviews

Briggs & Stratton

Briggs & Stratton's Energy Solutions About page says the company is headquartered in Wauwatosa, Wisconsin, makes standby generators and energy storage systems, and acquired SimpliPHI Power, an LFP battery maker, in 2021. It says its Energy Solutions business manufactures generators in Auburn, Alabama and has battery operations in Tucker, Georgia.

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Owner ratingNo reviews yetVerified reviews0Years in businessNot documentedCatalog products35

Products

35 in the catalog

History and sources

Certificate & document history

Certificate & document history
Observed

CEC: claimed

Briggs & Stratton SPHI-6.6-L0 battery

Product / system scope unresolved. Model SPHI-6.6-L0 listed on the California Energy Commission Battery List (data unchanged since October 1, 2026; downloaded October 11, 2026) under Briggs & Stratton, LLC, as "SPHI-6.6-L0", CEC listing date 2024-08-01. This is an equipment listing, not UL certification or complete-system approval.

Issuer record: CEC Battery List, official spreadsheet (data unchanged since October 1, 2026; downloaded October 11, 2026) October 1, 2026 · Checked · Earlier document
Observed

UL 1973: claimed

Briggs & Stratton SPHI-6.6-L0 battery

Product / system scope unresolved. Listed on the California Energy Commission Battery List (data unchanged since October 1, 2026; downloaded October 11, 2026) as Briggs & Stratton, LLC "SPHI-6.6-L0": UL 1973, certifying entity UL, certificate date 2024-03-26, Ed. 3 : 2022. A state equipment list entry, not the certification body's own record.

Issuer record: CEC Battery List, official spreadsheet (data unchanged since October 1, 2026; downloaded October 11, 2026) October 1, 2026 · Checked · Earlier document
Observed

CEC: claimed

Briggs & Stratton SPHI-13.2-L0 battery

Product / system scope unresolved. Model SPHI-13.2-L0 listed on the California Energy Commission Battery List (data unchanged since October 1, 2026; downloaded October 11, 2026) under Briggs & Stratton, LLC, as "SPHI-13.2-L0", CEC listing date 2024-08-01. This is an equipment listing, not UL certification or complete-system approval.

Issuer record: CEC Battery List, official spreadsheet (data unchanged since October 1, 2026; downloaded October 11, 2026) October 1, 2026 · Checked · Earlier document
Observed

UL 1973: claimed

Briggs & Stratton SPHI-13.2-L0 battery

Product / system scope unresolved. Listed on the California Energy Commission Battery List (data unchanged since October 1, 2026; downloaded October 11, 2026) as Briggs & Stratton, LLC "SPHI-13.2-L0": UL 1973, certifying entity UL, certificate date 2024-03-26, Ed. 3 : 2022. A state equipment list entry, not the certification body's own record.

Issuer record: CEC Battery List, official spreadsheet (data unchanged since October 1, 2026; downloaded October 11, 2026) October 1, 2026 · Checked · Earlier document
Observed

CEC: claimed

Briggs & Stratton SPHI-19.8-L0 battery

Product / system scope unresolved. Model SPHI-19.8-L0 listed on the California Energy Commission Battery List (data unchanged since October 1, 2026; downloaded October 11, 2026) under Briggs & Stratton, LLC, as "SPHI-19.8-L0", CEC listing date 2024-08-01. This is an equipment listing, not UL certification or complete-system approval.

Issuer record: CEC Battery List, official spreadsheet (data unchanged since October 1, 2026; downloaded October 11, 2026) October 1, 2026 · Checked · Earlier document
Observed

UL 1973: claimed

Briggs & Stratton SPHI-19.8-L0 battery

Product / system scope unresolved. Listed on the California Energy Commission Battery List (data unchanged since October 1, 2026; downloaded October 11, 2026) as Briggs & Stratton, LLC "SPHI-19.8-L0": UL 1973, certifying entity UL, certificate date 2024-03-26, Ed. 3 : 2022. A state equipment list entry, not the certification body's own record.

Issuer record: CEC Battery List, official spreadsheet (data unchanged since October 1, 2026; downloaded October 11, 2026) October 1, 2026 · Checked · Earlier document
Observed

UL 1973: claimed

Briggs & Stratton PHI 3.8-M battery, 24V model PHI-3.8-24V-M (3.8 kWh, 25.6 V)

Battery pack claim; verification pending. A manufacturer claim, not a listing or certificate. Printed as "Safety tested to UL9540A standards for thermal runaway and UL1973 certification indicates the PHI 3.8-M is a safer option in residential installations." under Features, Safer Lithium Chemistry, on Briggs & Stratton Energy Solutions' PHI 3.8 Battery product page, whose specification table covers PHI-3.8-24V-M and PHI-3.8-48V-M, captured October 9, 2026. The sentence names the PHI 3.8-M, of which this record is the 24 V model. The page does not say whether the claim covers the cells or the assembled battery. No issuer, certificate or report number is printed; the issuer's record was not checked.

Official product page: PHI 3.8 Battery product page, models PHI-3.8-24V-M and PHI-3.8-48V-M (Briggs & Stratton, October 9, 2026 capture) Checked · Earlier document
Observed

UL 9540A: claimed

Briggs & Stratton PHI 3.8-M battery, 24V model PHI-3.8-24V-M (3.8 kWh, 25.6 V)

Battery pack claim; verification pending. A manufacturer claim of testing, not a certification or test report. Printed as "Safety tested to UL9540A standards for thermal runaway" in the sentence "Safety tested to UL9540A standards for thermal runaway and UL1973 certification indicates the PHI 3.8-M is a safer option in residential installations." under Features, Safer Lithium Chemistry, on Briggs & Stratton Energy Solutions' PHI 3.8 Battery product page, whose specification table covers PHI-3.8-24V-M and PHI-3.8-48V-M, captured October 9, 2026. The sentence names the PHI 3.8-M, of which this record is the 24 V model. UL 9540A is a test method; the page does not say who ran the test or whether it covered the cells, the battery or an installation. No test report number is printed; no report was checked.

Official product page: PHI 3.8 Battery product page, models PHI-3.8-24V-M and PHI-3.8-48V-M (Briggs & Stratton, October 9, 2026 capture) Checked · Earlier document
Observed

UL 1973: claimed

Briggs & Stratton SimpliPHI 4.9 battery, SPHI-B-4.9 (4.9 kWh, 51.2 V)

Battery pack claim; verification pending. A manufacturer claim, not a listing or certificate. Printed as "Batteries have been tested to UL 9540A and are certified to UL 1973." in Appendix A, section A.1.5 UL Compliance, page 26, of Briggs & Stratton's Installation Manual, SimpliPHI 4.9 Battery (REV202207071617), captured October 9, 2026; the manual covers the SimpliPHI 4.9 only. Page 10 adds "The SimpliPhi UL 1973 Battery Certification verifies “No Thermal Runaway”". The same section says separately that the cells comply with UL 1642, so the UL 1973 sentence is about the batteries; the manual does not say which assembly or configuration was certified. No issuer, certificate or report number is printed; the issuer's record was not checked.

Official installation manual: Installation Manual, SimpliPHI 4.9 Battery, REV202207071617 (Briggs & Stratton, 2022) Rev REV202207071617 · Checked · Earlier document
Observed

UL 9540A: claimed

Briggs & Stratton SimpliPHI 4.9 battery, SPHI-B-4.9 (4.9 kWh, 51.2 V)

Battery pack claim; verification pending. A manufacturer claim of testing, not a certification or test report. Printed as "Batteries have been tested to UL 9540A" in Appendix A, section A.1.5 UL Compliance, page 26, and as "Additional fire safety testing was conducted through UL 9540A protocols" on page 10, of Briggs & Stratton's Installation Manual, SimpliPHI 4.9 Battery (REV202207071617), captured October 9, 2026; the manual covers the SimpliPHI 4.9 only. UL 9540A is a test method; the manual does not say who ran the test or at which level (cell, module or unit). No test report number is printed; no report was checked.

Official installation manual: Installation Manual, SimpliPHI 4.9 Battery, REV202207071617 (Briggs & Stratton, 2022) Rev REV202207071617 · Checked · Earlier document

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Manufacturer history

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Manufacturer & sources

Manufacturer & sources

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