Hexa®Smart 261L-CE

Liquid-Cooled C&I ESS

The Ener Hexon® Smart261L-CE liquid-cooled product adopts an All-in-One design, primarily consisting of 5 liquid-cooled battery PACKs, 1 control box, 1 PCS, 1 set of BMS, 1 set of EMS, 1 liquid cooling unit, along with its cabinet structure and electrical auxiliary equipment, etc. The cabinet integrates liquid cooling pipelines. The battery rated capacity is 261.248 kWh.

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Hexa®Smart 261L-CE

Liquid-Cooled C&I ESS

Technical Document

Key Features: E-S3 Design Concept

Ultimate Safety: Triple Protection for Worry‑Free Power

● Early Warning: Dual‑layer monitoring and full‑path protection form an integrated cloud‑edge safety shield, delivering 24/7 proactive alerts.

● Isolation: Six‑stage power‑cut protection automatically isolates faults for safer maintenance.

● Fire Protection Linkage: Triple explosion‑venting + triple fire‑suppression system ensures effective control even under extreme conditions.

High Eﬃciency: Better Performance, Higher Returns

● High Conversion Efficiency: Next‑generation SiC PCS enables charging/discharging efficiency up to 99%.

● 15% Longer Lifespan: Minimal temperature difference ensures high consistency and extended battery life.

● Multi‑Mode Operation: Supports grid‑tied, off‑grid, and VPP modes for flexible applications.

Smart & Hassle‑Free: One‑Click Operation, Remote Management

● Local Visualization: Fully operable offline—power on and run immediately.

● Modular Design: Block‑like installation with rapid deployment and easy front maintenance.

● All‑Time Smart Control: Cloud collaboration enables monitoring, diagnosis, and OTA upgrades.

IEC‑Certified Reliability: Built to Withstand Harsh Environments

● Full IEC Compliance: Comprehensive certification ensures global‑grade reliability.

● Zero‑Condensation & Anti‑Corrosion: Suitable for high humidity, high salinity, and harsh conditions.

Flexible Expansion: Configurable and Future‑Proof

● Scalable Architecture: Supports multi‑unit parallel expansion up to 2.5 MW.

● Grid/Off‑Grid Switchable: Easily adapts to diverse power usage scenarios.

Technical Parameters

Model: Smart 261L‑CE
Category	Name	Parameter	Remarks
DC Parameters	Cell Type	LFP‑3.2V‑314Ah
	Battery Rated Capacity	261.248kWh
	Nominal Voltage	832Vdc	Voltage range: 728~936Vdc
	Charging/Discharging C‑rate	≤0.5CP
	Cooling Method	Intelligent Liquid Cooling
	Rated Power	125kW
AC Parameters (Grid‑connected)	Grid Voltage	400V(-10%~10%)
	Rated Current	180A
	Rated Grid Frequency	50Hz/60Hz
	Grid Frequency Range	45‑55Hz/55‑65Hz
	Total Current Harmonic Distortion	<3% (at rated power)
	Power Factor	>0.99 (at rated power)
	Power Factor Adjustable Range	-1 (leading) ~1 (lagging)
AC Parameters (Off‑grid)	AC Off‑grid Voltage	400V (-5%~5%)
	AC Off‑grid Frequency	50Hz/60Hz
	Off‑grid Output Voltage Distortion	<3% (linear load)
System Parameters	Cooling Method	Liquid Cooling+Air Cooling
	Fire Protection System	Aerosol + Water‑based Fire Protection (optional)
	Anti‑corrosion Grade	C4
	Protection Level	IP54 (IP55 for battery compartment)
	Operating Temperature Range	-20℃~+45℃	Derating when >45℃
	Storage Temperature	-20℃~+35℃ (≤6 months)/ -20℃~+45℃ (≤1 month)	SOC @20%~50%
	Operating Humidity Range	0 ~ 95%RH	No condensation
	Installation Method	Outdoor Installation
	Working Condition	Maximum 2 charges and 2 discharges per day
	System Communication Interface	Ethernet/RS485
	External System Communication Protocol	Modbus TCP/IEC104/Modbus RTU
	Altitude	Within 4000m	Derating when >2000m
	Dimensions [mm] (W×D×H)	1400 × 1400 × 2200
	Weight	2500+5%kg
	Certification	IEC62619, IEC60730, IEC61000, IEC62477, EN50549, VDE4105, VDE4110, VDE4120, UN38.3, UN3480