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6.7 kWh
Home battery systemEternalplanet Energy

Eternalplanet Energy EP Cube ComLite NA-3-xx-G-1

6.7 kWh · 3 kW · Lithium Iron Phosphate · direct PV input

UL 9540UL 1741 SBCEC listed · Dec 11, 2023
  • Nameplate energy6.7 kWh
  • Continuous power3 kW
  • Round trip (AC)80.2%
  • ChemistryLithium Iron Phosphate

Overview

CEC Energy Storage System List

EP Cube ComLite NA-3-xx-G-1: 6.7 kWh nameplate energy; 3 kW continuous; lithium iron phosphate; accepts solar panels directly (DC-coupled).

Capacity & power

CEC Energy Storage System List

Charging from solar in Southern California

NLR PVWatts v8 · Cali-Graf calculation · CEC Energy Storage System List
CityDecemberJune
Los Angeles2.1 kW1.2 kW
Palmdale1.9 kW1.1 kW
Chula Vista1.8 kW1.3 kW
Huntington Beach2 kW1.4 kW
Riverside2 kW1.2 kW
Santa Clarita2 kW1.2 kW
Solar array size that refills the battery from empty in one average day, before the home uses any of it (NLR PVWatts v8, 20° south roof).

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

Compare with similar batteries

CEC Energy Storage System List
BatteryEnergyContinuous powerChemistryWarrantySoCal permits
Enphase Energy IQ Battery 5P5 kWh3.33–3.84 kWLithium Iron Phosphate15 years788
Fortress Power eFlex5.4 kWh5 kWLithium Iron Phosphate——
Villara Energy Systems VillaGrid5.8 kWh8 kWLithium Titanate Oxide20 years—
Villara Energy Systems VillaGrid5.8 kWh8 kWLithium Titanate Oxide20 years—
Shanghai PYTES Energy E-BOX-48100R5.1 kWh2.56 kWLithium Ion10 years1
APsystems (Altenergy Power System) APbattery5.2 kWh5 kWLithium Iron Phosphate——
Same segment, similar capacity; each row from the same sources.

Questions & answers

How much energy does the Eternalplanet Energy EP Cube ComLite NA-3-xx-G-1 store?

6.7 kWh nameplate, per the California Energy Commission list.

Is the EP Cube ComLite NA-3-xx-G-1 UL 9540 certified?

Yes — the CEC list shows UL 9540 certification (certified by tuv).

Sources

  1. California Energy Commission — Energy Storage System List, data as of Oct 7, 2026. Manufacturer-reported values confirmed by CEC against certificates.
  2. NLR (formerly NREL) — PVWatts v8, NSRDB PSM v3 typical-year weather for Los Angeles, Palmdale, Riverside, Santa Clarita, Chula Vista, Huntington Beach.
  3. Cali-Graf calculations — formulas and inputs are shown next to each calculated value (efficiency from area, temperature-corrected voltages, string sizing, energy estimates).