Shanghai PYTES Energy Pi LV1 S15K

Name: Shanghai PYTES Energy Pi LV1 S15K
Brand: Shanghai PYTES Energy

245.8 kWh · 15 kW · Lithium Iron Phosphate · 2 configurations

UL 9540CEC listed · Mar 21, 2025

Overview

CEC Energy Storage System List

Pi LV1 S15K: 245.8 kWh nameplate energy; 15 kW continuous; lithium iron phosphate.

CEC Energy Storage System List · 2 listings

Model	Energy	Power	Grid voltage	Round trip	CEC listed
Pi LV1 S15K {208V}	245.8 kWh	15 kW	208 V	93%	Mar 21, 2025
Pi LV1 S15K {240V}	245.8 kWh	15 kW	240 V	93%	Mar 21, 2025

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 Shanghai PYTES Energy Pi LV1 S15K store?

245.8 kWh nameplate, per the California Energy Commission list.

Is the Pi LV1 S15K UL 9540 certified?

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

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