Green Energy
JA ESS 125 kW / 261 kWh

JA ESS 125 kW / 261 kWh

by JA · China

The JA ESS is a liquid-cooled commercial and industrial battery energy storage system with 125 kW output and 261 kWh capacity. It uses LFP batteries and includes millisecond-level insulation monitoring, a three-tier fire and explosion protection architecture, and real-time pack monitoring. AI-powered predictive maintenance and a modular design are intended to reduce downtime and simplify servicing.

Green Energy Score

50

Based on capacity, cycle life, efficiency, and scalability.

LFP261 kWh125 kWNoneFloor-standing10-Year Warranty
0

Overview

The JA ESS is a liquid-cooled commercial and industrial battery energy storage system with 125 kW output and 261 kWh capacity. It uses LFP batteries and includes millisecond-level insulation monitoring, a three-tier fire and explosion protection architecture, and real-time pack monitoring. AI-powered predictive maintenance and a modular design are intended to reduce downtime and simplify servicing.

Key Specifications

Total Capacity261 kWh
Continuous Power125 kW
ChemistryLFP
Warranty10 years
Round-Trip Efficiency88%
ScalableNo

Full Specifications

Battery

Total Capacity261 kWh
ChemistryLFP
Round-Trip Efficiency88%

Power & Inverter

Continuous Power125 kW
Inverter TypeNone
Grid-Tie Capable
Backup Power

Physical

Mounting TypeFloor-standing
IP Rating

Commercial

Price—
Warranty10 years
Launch Year2026
StatusAvailable

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Topics

LFP261 kWh125 kWNoneFloor-standing

Maker

JA

China

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Regions

Global