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10–20 kWh
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Kohler Power Reserve

10–20 kWh · Lithium Iron Phosphate · 3 configurations

UL 9540CEC listed · Nov 14, 2022
  • Nameplate energy10–20 kWh
  • Round trip (AC)96.1%
  • ChemistryLithium Iron Phosphate

Overview

CEC Energy Storage System List

Power Reserve: 10–20 kWh nameplate energy; lithium iron phosphate.

Models & configurations

CEC Energy Storage System List · 3 listings
ModelEnergyPowerGrid voltageRound tripCEC listed
350-10LC {10kWh}10 kWh7.6 kW240 V96%Nov 14, 2022
350-10LC {15kWh}15 kWh7.6 kW240 V96%Nov 14, 2022
350-10LC {20kWh}20 kWh7.6 kW240 V96%Nov 14, 2022

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 Kohler Power Reserve store?

10–20 kWh nameplate, per the California Energy Commission list.

Is the Power Reserve UL 9540 certified?

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

Sources

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