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245.8 kWh
Commercial energy storage systemShanghai PYTES Energy

Shanghai PYTES Energy Pi LV1 S12KST

245.8 kWh · 9 kW · Lithium Iron Phosphate · 2 configurations

UL 9540CEC listed · Mar 21, 2025
  • Nameplate energy245.8 kWh
  • Continuous power9 kW
  • Round trip (AC)92.6%
  • ChemistryLithium Iron Phosphate

Overview

CEC Energy Storage System List

Pi LV1 S12KST: 245.8 kWh nameplate energy; 9 kW continuous; lithium iron phosphate.

Models & configurations

CEC Energy Storage System List · 2 listings
ModelEnergyPowerGrid voltageRound tripCEC listed
Pi LV1 S12KST {208V}245.8 kWh9 kW208 V93%Mar 21, 2025
Pi LV1 S12KST {240V}245.8 kWh9 kW240 V93%Mar 21, 2025

Capacity & power

CEC Energy Storage System List

Safety listings

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.

California grid & code compliance

CEC Energy Storage System List

Questions & answers

How much energy does the Shanghai PYTES Energy Pi LV1 S12KST store?

245.8 kWh nameplate, per the California Energy Commission list.

Is the Pi LV1 S12KST UL 9540 certified?

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

Sources

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