EG4 Electronics EG4 WALLMOUNT

Name: EG4 Electronics EG4 WALLMOUNT
Brand: EG4 Electronics

14.3 kWh · 10.2 kW · Lithium Iron Phosphate

UL 1973CEC listed · May 21, 2024

Overview

CEC Battery List

EG4 WALLMOUNT: 14.3 kWh nameplate energy; 10.2 kW continuous; lithium iron phosphate; 10 years warranty.

CEC Battery List

NLR PVWatts v8 · Cali-Graf calculation

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).

CEC Battery List

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

CEC Energy Storage System List

Battery	Energy	Continuous power	Chemistry	Warranty	SoCal permits
LG Energy Solution RESU 10H Prime	9.6–16 kWh	5 kW	Lithium Ion	—	127
EG4 Electronics WP-16/280-1AWLL	14.3 kWh	10.2 kW	Lithium Iron Phosphate	10 years	5
Schneider Electric Schneider Boost	10 kWh	8.1 kW	Lithium Iron Phosphate	10 years	—
Schneider Electric Schneider Boost	10 kWh	8.1 kW	Lithium Iron Phosphate	10 years	—
EG4 Electronics EG4 WALLMOUNT	14.3 kWh	10.2 kW	Lithium Iron Phosphate	10 years	—
EG4 Electronics WM48314AWXX	12.8 kWh	10.2 kW	Lithium Iron Phosphate	10 years	—

Same segment, similar capacity; each row from the same sources.

manufacturer documents

How much energy does the EG4 Electronics EG4 WALLMOUNT store?

14.3 kWh nameplate, per the California Energy Commission list.

Can the EG4 WALLMOUNT be installed outdoors?

Installation location per the datasheet: indoor.

What warranty does the EG4 WALLMOUNT have?

10 years (datasheet).

California Energy Commission — Energy Storage System List, data as of Oct 7, 2026. Manufacturer-reported values confirmed by CEC against certificates.
California Energy Commission — Battery List, data as of Oct 7, 2026.
EG4 Electronics — datasheet EG4 Indoor 280Ah Battery – Specifications-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).