Deye

Ningbo Deye Technology Co., Ltd. of Beilun, Ningbo, China makes hybrid inverters and lithium iron phosphate energy storage, from wall-mounted residential packs to rack and cabinet systems for small commercial sites.

Products

24 in the catalog

Batteries

24 products

History and sources

Certificate & document history

Certificate & document history

UL 9540A: claimed

Deye RW-F10.2-B

Product / system scope unresolved. A manufacturer claim, not a listing or certificate. Listed as "UL 9540A" in the "Certification:" line of Deye's own product page, captured on September 25, 2026 and again on October 13, 2026 (unchanged), and as "UL9540A" in the certification row of the RW-F10.2-B user manual, EN V04, 2025-09-18. Checked on October 13, 2026: Deye prints no UL 9540A test report number on the product page, in the manual (V04) or in either TUV Rheinland certificate it links (UL 9540 certificate CU 72503469 0001 and UL 1973 certificate CU 72406708 0001, neither of which names a UL 9540A report), and no UL 9540A test report was found. The UL 9540 certificate is recorded separately; UL 9540 and UL 9540A are different documents. The page does not say whether the claim covers the cell, the module or the system.

Official product page: Deye RW-F10.2-B product page Checked · Earlier documentOfficial product page: Deye RW-F10.2-B product page (captured October 13, 2026) Checked · Earlier documentOfficial user manual: Deye RW-F10.2-B user manual, EN V04, 2025-09-18 Checked · Earlier documentSource certificate: TUV Rheinland of North America certificate CU 72503469 0001: Deye RW-FX-US Rechargeable Li-ion Battery System (battery model RW-F10.2-B), ANSI/CAN/UL 9540:2023 Rev CU 72503469 0001, date of issue 2025-08-22 · August 22, 2025 · Checked · Earlier documentSource certificate: TUV Rheinland of North America certificate CU 72406708 0001: Deye RW-F10.2-B Rechargeable Li-ion Battery System, ANSI/CAN/UL 1973:2022 Rev CU 72406708 0001, date of issue 2024-08-28 · August 28, 2024 · Checked · Earlier document

UL 9540: verified

Deye RW-F10.2-B

Product / system scope unresolved. TUV Rheinland of North America, Inc. certificate no. CU 72503469 0001, report number CN256HZQ 001, date of issue 2025-08-22, license holder NINGBO DEYE ESS TECHNOLOGY CO., LTD, certification according to ANSI/CAN/UL 9540:2023. The certified product is the "Rechargeable Li-ion Battery System", model designation "RW-FX-US" (X=10.2, 20.4, 30.6, 40.8, 51, the power of the parallel batteries; rated energy 10.24 kWh times 1 to 5), and the certificate names this battery in its remarks: "Battery Model: RW-F10.2-B". This is a system certificate: it certifies the energy storage systems built with this battery (one to five RW-F10.2-B packs as the RW-FX-US systems), not the battery alone, and it is not a UL 9540A test report. No expiry date is printed. Read from the copy hosted on Deye's own site and linked from its RW-F10.2-B product page; TUV Rheinland's online certificate directory was not checked.

Source certificate: TUV Rheinland of North America certificate CU 72503469 0001: Deye RW-FX-US Rechargeable Li-ion Battery System (battery model RW-F10.2-B), ANSI/CAN/UL 9540:2023 Rev CU 72503469 0001, date of issue 2025-08-22 · August 22, 2025 · Checked · Earlier documentOfficial product page: Deye RW-F10.2-B product page (captured October 13, 2026) Checked · Earlier document

UL 1973: verified

Deye RW-F10.2-B

Finished battery pack / module. TUV Rheinland of North America, Inc. certificate no. CU 72406708 0001, report number CN24CL37 001, date of issue 2024-08-28, license holder NINGBO DEYE ESS TECHNOLOGY CO., LTD, certification according to ANSI/CAN/UL 1973:2022. The certified product is the "Rechargeable Li-ion Battery System", model designation "RW-F10.2-B", nominal voltage 51.2V, rated capacity 200Ah. No expiry date is printed. Read from the copy hosted on Deye's own site and linked from its RW-F10.2-B product page; TUV Rheinland's online certificate directory was not checked. The California Energy Commission list reports the same certificate date for this model (recorded separately).

Source certificate: TUV Rheinland of North America certificate CU 72406708 0001: Deye RW-F10.2-B Rechargeable Li-ion Battery System, ANSI/CAN/UL 1973:2022 Rev CU 72406708 0001, date of issue 2024-08-28 · August 28, 2024 · Checked · Earlier documentOfficial product page: Deye RW-F10.2-B product page (captured October 13, 2026) Checked · Earlier document

UL 1973: claimed

Deye SE-G5.1 Pro-B

Product / system scope unresolved. Listed on the California Energy Commission Battery List (data unchanged since October 1, 2026; downloaded October 11, 2026) as NINGBO DEYE ESS TECHNOLOGY CO., LTD "SE-G5.1 Pro-B": UL 1973, certifying entity SGS, certificate date 2024-02-23, Ed. 2 : 2018, CEC listing date 2024-07-22. 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

CEC: claimed

Deye SE-G5.1 Pro-B

Product / system scope unresolved. Model SE-G5.1 Pro-B listed on the California Energy Commission Battery List (data unchanged since October 1, 2026; downloaded October 11, 2026) under NINGBO DEYE ESS TECHNOLOGY CO., LTD, as "SE-G5.1 Pro-B", CEC listing date 2024-07-22. 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

UL 1973: claimed

Deye RW-F10.2-B

Product / system scope unresolved. Listed on the California Energy Commission Battery List (data unchanged since October 1, 2026; downloaded October 11, 2026) as NINGBO DEYE ESS TECHNOLOGY CO., LTD "RW-F10.2-B": UL 1973, certifying entity TUV Rheinland of North America, certificate date 2024-08-28, Ed. 3 : 2022, CEC listing date 2024-10-11. 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

CEC: claimed

Deye RW-F10.2-B

Product / system scope unresolved. Model RW-F10.2-B listed on the California Energy Commission Battery List (data unchanged since October 1, 2026; downloaded October 11, 2026) under NINGBO DEYE ESS TECHNOLOGY CO., LTD, as "RW-F10.2-B", CEC listing date 2024-10-11. 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

UL 1973: claimed

Deye BOS-GL60 rack battery system

Product / system scope unresolved. Listed on the California Energy Commission Battery List (data unchanged since October 1, 2026; downloaded October 11, 2026) as NINGBO DEYE ESS TECHNOLOGY CO., LTD "BOS-GL60": UL 1973, certifying entity SGS, certificate date 2024-04-19, Ed. 2 : 2018, CEC listing date 2024-07-22. 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

CEC: claimed

Deye BOS-GL60 rack battery system

Product / system scope unresolved. Model BOS-GL60 listed on the California Energy Commission Battery List (data unchanged since October 1, 2026; downloaded October 11, 2026) under NINGBO DEYE ESS TECHNOLOGY CO., LTD, as "BOS-GL60", CEC listing date 2024-07-22. 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

UL 1973: claimed

Deye BOS-GH60 rack battery system

Product / system scope unresolved. Listed on the California Energy Commission Battery List (data unchanged since October 1, 2026; downloaded October 11, 2026) as NINGBO DEYE ESS TECHNOLOGY CO., LTD "BOS-GH60": UL 1973, certifying entity SGS, certificate date 2024-04-19, Ed. 2 : 2018, CEC listing date 2024-07-22. 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

CEC: claimed

Deye BOS-GH60 rack battery system

Product / system scope unresolved. Model BOS-GH60 listed on the California Energy Commission Battery List (data unchanged since October 1, 2026; downloaded October 11, 2026) under NINGBO DEYE ESS TECHNOLOGY CO., LTD, as "BOS-GH60", CEC listing date 2024-07-22. 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

UL 1973: claimed

Deye BOS-GH40 rack battery system

Product / system scope unresolved. Listed on the California Energy Commission Battery List (data unchanged since October 1, 2026; downloaded October 11, 2026) as NINGBO DEYE ESS TECHNOLOGY CO., LTD "BOS-GH40": UL 1973, certifying entity SGS, certificate date 2024-04-19, Ed. 2 : 2018, CEC listing date 2024-07-22. 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

CEC: claimed

Deye BOS-GH40 rack battery system

Product / system scope unresolved. Model BOS-GH40 listed on the California Energy Commission Battery List (data unchanged since October 1, 2026; downloaded October 11, 2026) under NINGBO DEYE ESS TECHNOLOGY CO., LTD, as "BOS-GH40", CEC listing date 2024-07-22. 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

UL 1973: claimed

Deye AI-W5.1-B modular battery pack (5.12 kWh, single module, EU/AU)

Battery pack claim; verification pending. A manufacturer claim, not a listing or certificate. Printed as "UL1973" in the line "Certification: UN38.3, IEC62619, CE, UK, VDE2510-50, CEI0-21,CE-LVD, CEC, FCC, UL1973, UL9540A" in the feature list of Deye's own "AI-W5.1-B (EU, AU)" product page (deye.com), above its specification table for model AI-W5.1-B, captured September 28, 2026. The page is the EU and AU edition this record documents. Deye's AI-Wx-B user manual (AU/EN, V03, 2026-03-30) already cited on this record lists no UL standard in its certification row. The page does not say whether the claim covers the cells or the battery module. No issuer, certificate or report number is printed; the issuer's record was not checked.

Official product page: Deye AI-W5.1-B (EU, AU) product page (deye.com, September 28, 2026 capture) Checked · Earlier document

UL 9540A: claimed

Deye AI-W5.1-B modular battery pack (5.12 kWh, single module, EU/AU)

Battery pack claim; verification pending. A manufacturer claim of testing, not a certification or test report. Printed as "UL9540A" in the line "Certification: UN38.3, IEC62619, CE, UK, VDE2510-50, CEI0-21,CE-LVD, CEC, FCC, UL1973, UL9540A" in the feature list of Deye's own "AI-W5.1-B (EU, AU)" product page (deye.com), above its specification table for model AI-W5.1-B, captured September 28, 2026. The page is the EU and AU edition this record documents. Deye's AI-Wx-B user manual (AU/EN, V03, 2026-03-30) already cited on this record lists no UL standard in its certification row. The page does not say whether the test covered the cell, the module or an installation. UL 9540A is a test method, not a certification; the document does not say who ran the test. No test report number is printed; no report was checked.

Official product page: Deye AI-W5.1-B (EU, AU) product page (deye.com, September 28, 2026 capture) Checked · Earlier document

Manufacturer history

Manufacturer history

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Manufacturer & sources

Manufacturer & sources

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