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EG4 Electronics PP-100A15-18K1-LL 25.6 kWh · 10.4–12 kW · Lithium Iron Phosphate · direct PV input · 2 configurations
UL 9540 UL 1741 SB CEC listed · Nov 13, 2023
Nameplate energy 25.6 kWh Continuous power 10.4–12 kW Warranty 10 years Chemistry Lithium Iron Phosphate Compare Datasheet (PDF) ≈ 25.6 h of backup at a 1 kW average load Facts checked Oct 14, 2026 · sources at the bottom
Models Capacity Solar Installation Warranty Safety Grid Specs Compare Documents Q&A
Overview CEC Energy Storage System List PP-100A15-18K1-LL: 25.6 kWh nameplate energy; 10.4–12 kW continuous; lithium iron phosphate; accepts solar panels directly (DC-coupled); 10 years warranty.
Models & configurations CEC Energy Storage System List · 2 listings
Capacity & power CEC Energy Storage System List Nameplate energy (CEC) 25.6 kWh Total energy (datasheet) 15.4–41 kWh Rated power (CEC) 10.4–12 kW Max continuous discharge (CEC) 10.4–12 kW Peak power 14.7 kW solar + battery; 10 min; 10 min · 15.5 kW solar + battery; 10 min; 5 min · 13.5 kW battery only; 10 min · 29.4 kW solar + battery; 10 min; 10 min · 31 kW solar + battery; 10 min; 5 min · 27 kW battery only; 10 min · 44.1 kW solar + battery; 10 min; 10 min · 46.5 kW solar + battery; 10 min; 5 min · 40.5 kW battery only; 10 min Full-power discharge time about 2.1 h at full power Chemistry Lithium Iron Phosphate Grid connection 208 / 240 V Battery voltage (DC, nominal) 51.2 V
Charging from solar in Southern California NLR PVWatts v8 · Cali-Graf calculation · CEC Energy Storage System List 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).
Installation location indoor Operating temperature −25 to 60 °C
Safety listings CEC Energy Storage System List UL 9540 (energy storage system) Certified by Intertek Certificate date & edition Sep 28, 2023 · Ed. 3 : 2023 Other standards on datasheet UL 1741, UL 1699B, UL 9540 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 UL 1741 SB (IEEE 1547-2018) Yes UL 1741 SA (Rule 21) No CSIP (IEEE 2030.5) Yes (with conditions) JA12 declaration (Title 24) No Last CEC update Apr 11, 2024 Monitor Key Data scheduling No Communication rs485 Manufacturer website eg4electronics.com
Compare with similar batteries CEC Energy Storage System List Same segment, similar capacity; each row from the same sources.
Documents manufacturer documents
Questions & answers How much energy does the EG4 Electronics PP-100A15-18K1-LL store? 25.6 kWh nameplate, per the California Energy Commission list.
Can the PP-100A15-18K1-LL be installed outdoors? Installation location per the datasheet: indoor.
What warranty does the PP-100A15-18K1-LL have? Is the PP-100A15-18K1-LL UL 9540 certified? Yes — the CEC list shows UL 9540 certification (certified by intertek).
Sources California Energy Commission — Energy Storage System List, data as of Oct 7, 2026. Manufacturer-reported values confirmed by CEC against certificates. EG4 Electronics — datasheet EG4 LL CAB ESS – Spec-Sheet . EG4 Electronics — document library on the manufacturer’s website (links above). NLR (formerly NREL) — PVWatts v8, NSRDB PSM v3 typical-year weather for Los Angeles, Palmdale, Riverside, Santa Clarita, Chula Vista, Huntington Beach. Cali-Graf calculations — formulas and inputs are shown next to each calculated value (efficiency from area, temperature-corrected voltages, string sizing, energy estimates).
