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1 kWh

Commercial energy storage systemYotta Energy

Yotta Energy SolarLEAF

1 kWh · 0.45 kW · Lithium Iron Phosphate · direct PV input

UL 9540UL 1741 SBCEC listed · Oct 23, 2023

Nameplate energy1 kWh
Continuous power0.45 kW
Round trip (AC)90%
ChemistryLithium Iron Phosphate

Overview

CEC Energy Storage System List

SolarLEAF: 1 kWh nameplate energy; 0.45 kW continuous; lithium iron phosphate; accepts solar panels directly (DC-coupled).

Capacity & power

CEC Energy Storage System List

Nameplate energy (CEC)1 kWh
Rated power (CEC)0.45 kW
Max continuous discharge (CEC)0.45 kW
Full-power discharge timeabout 2.2 h at full power
Round-trip efficiency (AC-AC)90%
ChemistryLithium Iron Phosphate
Grid connection480 V

Inverter & compatible equipment

CEC Energy Storage System List

Direct PV inputYes
Battery modules in this systemF5523

Safety listings

CEC Energy Storage System List

UL 9540 (energy storage system)Certified by CSA Group
Certificate date & editionSep 13, 2023 · Ed. 2 : 2020

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)Yes
JA12 control strategiesBasic, TOU, Advance DR
Last CEC updateFeb 11, 2025
Monitor Key Data schedulingNo

Questions & answers

How much energy does the Yotta Energy SolarLEAF store?

1 kWh nameplate, per the California Energy Commission list.

Is the SolarLEAF UL 9540 certified?

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

Sources

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