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4.7 kWh
Battery modulePolarium

Polarium 810-00061

4.7 kWh · 6 kW · Lithium Ion

UL 1973CEC listed · Jun 13, 2022
  • Nameplate energy4.7 kWh
  • Continuous power6 kW
  • ChemistryLithium Ion

Overview

CEC Battery List

810-00061: 4.7 kWh nameplate energy; 6 kW continuous; lithium ion.

Capacity & power

CEC Battery List

Charging from solar in Southern California

NLR PVWatts v8 · Cali-Graf calculation
CityDecemberJune
Los Angeles1.5 kW0.9 kW
Palmdale1.4 kW0.8 kW
Chula Vista1.3 kW0.9 kW
Huntington Beach1.4 kW1 kW
Riverside1.4 kW0.8 kW
Santa Clarita1.4 kW0.8 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 Battery List

Compare with similar batteries

CEC Energy Storage System List
BatteryEnergyContinuous powerChemistryWarrantySoCal permits
Shanghai PYTES Energy E-BOX-48100R5.1 kWh2.56 kWLithium Ion10 years1
APsystems (Altenergy Power System) APbattery5.2 kWh5 kWLithium Iron Phosphate——
MANGO POWER TECH M Battery xkWh5 kWh5.12 kWLithium Ion10 years—
StackRack Battery Systems SRxK-UL5.1 kWh2.56 kWLithium Iron Phosphate10 years—
Storz Power SPx.xx-LFPv45.1 kWh5.12 kWLithium Iron Phosphate10 years—
EG4 Electronics EG4-LL5.1 kWh5.12 kWLithium Iron Phosphate10 years—
Same segment, similar capacity; each row from the same sources.

Sources

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