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0.5 kWh
Battery moduleEast Penn Manufacturing

East Penn Manufacturing HT7500ET

0.5 kWh · 6.52 kW · Lead Acid

UL 1973CEC listed · Sep 11, 2025
  • Nameplate energy0.5 kWh
  • Continuous power6.52 kW
  • ChemistryLead Acid

Overview

CEC Battery List

HT7500ET: 0.5 kWh nameplate energy; 6.52 kW continuous; lead acid.

Capacity & power

CEC Battery List

Charging from solar in Southern California

NLR PVWatts v8 · Cali-Graf calculation
CityDecemberJune
Los Angeles0.2 kW0.1 kW
Palmdale0.2 kW0.1 kW
Chula Vista0.1 kW0.1 kW
Huntington Beach0.2 kW0.1 kW
Riverside0.2 kW0.1 kW
Santa Clarita0.2 kW0.1 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

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).