Cali-GrafCali-Graf
Commercial energy storage systemHoymiles

Hoymiles HC02CUBE-UL

418 kWh · 208.9 kW · Lithium Ion

UL 9540CEC listed · Mar 23, 2026
  • Nameplate energy418 kWh
  • Continuous power208.9 kW
  • ChemistryLithium Ion

Overview

CEC Energy Storage System List

HC02CUBE-UL: 418 kWh nameplate energy; 208.9 kW continuous; lithium ion.

Capacity & power

CEC Energy Storage System List

Safety listings

CEC Energy Storage System List
UL 9540 certifies the whole storage system; UL 9540A is the fire-propagation test that fire codes ask for indoors and near walls.

California grid & code compliance

CEC Energy Storage System List

Questions & answers

How much energy does the Hoymiles HC02CUBE-UL store?

418 kWh nameplate, per the California Energy Commission list.

Is the HC02CUBE-UL UL 9540 certified?

Yes — the CEC list shows UL 9540 certification (certified by tuv rheinland of north america).

Sources

  1. California Energy Commission — Energy Storage System List, data as of Oct 7, 2026. Manufacturer-reported values confirmed by CEC against certificates.