UL 1973: claimed
Rolls VB12-135LFP-RV LiFePO4 battery (12.8 V, 1.73 kWh)Cell / component only. A manufacturer claim, not a listing or certificate. Printed as "UL 1973(cell)" in the Safety row of the specification table on Rolls Battery's own VB12-135LFP-RV product page (revision line "Rev.#2 | November 2025"), captured on September 29, 2026; the row reads "Prismatic LiFePO 4 cells [CB79148102EA/3.2V135Ah] UL 1973(cell), UN38.3 (cell/pack) ROHS (cell)". Rolls marks the UL 1973 claim "(cell)": it is a claim about the cells, not about the VB12-135LFP-RV battery. No issuer, certificate or report number is printed; the issuer's record was not checked. Cell scope: a claim about the cells does not certify the assembled battery.
Official product page: VB12-135LFP-RV product page with specification table (Rolls Battery, September 29, 2026 capture) Rev Rev.#2 | November 2025 · Checked · Earlier document