ELM Fieldsight MG2.1-AC1-0250-05-A

Name: ELM Fieldsight MG2.1-AC1-0250-05-A
Brand: ELM Fieldsight

4,180 kWh · 250 kW · Lithium Iron Phosphate · direct PV input

UL 9540UL 1741 SBCEC listed · Mar 11, 2026

Overview

CEC Energy Storage System List

MG2.1-AC1-0250-05-A: 4,180 kWh nameplate energy; 250 kW continuous; lithium iron phosphate; accepts solar panels directly (DC-coupled).

CEC Energy Storage System List

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.

CEC Energy Storage System List

How much energy does the ELM Fieldsight MG2.1-AC1-0250-05-A store?

4,180 kWh nameplate, per the California Energy Commission list.

Is the MG2.1-AC1-0250-05-A UL 9540 certified?

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

California Energy Commission — Energy Storage System List, data as of Oct 7, 2026. Manufacturer-reported values confirmed by CEC against certificates.