High-Density 261kwh LFP Battery Storage System with IP55 Rating and UL9540A Certified

Product Description

Product Description

ECO-E261LP-2A

The ECO-E261LP-2A features advanced pack-level liquid cooling and temperature balancing, maintaining cell temperature differences within 3℃. This enhances cell temperature consistency and extends battery life. Its modular design enables flexible parallel configurations and higher energy density, significantly improving the cost-effectiveness, safety, and installation convenience of ESS projects.

Elecnova offers three flagship product lines to meet diverse energy storage demands:
C&I Ultra: All-in-one modular BESS cabinets (air-cooled/liquid-cooled) with ≥90% efficiency and IP55 protection, ideal for commercial & industrial scenarios.
Solar Pro: Seamlessly integrates with PV systems, featuring battery ESS, EMS, and compatibility with multiple hybrid inverter brands. 
NovaStack: Plug-and-play 20ft container systems, designed for grid-connected C&I and utility-scale energy storage projects. 

Product Parameters

Integrating active liquid cooling technology, the ECO-E261LP-2A battery cabinet achieves high efficiency (≥89%) and an extended cycle life (≥8,000 cycles). It supports 0.5P continuous power with IP55 protection, ideal for demanding commercial and industrial storage applications.

Specification

DC Side
Cell Type	LFP / 314 Ah
Pack Configuration	52.2 kWh / 1P52S
System Configuration	261 kWh / 1P260S
Rated DC Voltage	832 V
DC Voltage Range	728 ~ 936 V
Max. Charge/Discharge Rate	0.5 P
Max. Depth of Discharge	100% (25 ± 2 ℃)
AC Side
Rated Output Power	125 kW
Rated AC Voltage	400 V
AC Voltage Range	±15%
Grid Type	3W+N+PE
Rated Frequency	50 Hz / 60 Hz
Power Factor	0.99/ -1 ~ +1
THDi	≤3%
DC Ratio	<0.5% Ipn
General
Max. RoundTrip Efficiency	89%
Cycle Life	≥ 8,000 cycles
Communication	Modbus TCP/IP
Fire Suppression System	Aerosol
Ingress Rating	IP55
Cooling	Liquid cooling+Forced air cooling
Operating Temperature	-25℃~55℃(Derating after 45℃)
Anticorrosion Rating	C4 (C5 optional)
Humidity	0~95% RH (non-condensing)
Noise	≤ 75 dB
Altitude	3000m (Derating above 2000m)
Dimensions (W*D*H)	1,050*1,350*2,400 mm
Weight	2,600 kg
Safety/EMC	UN38.3, IEC62619, IEC63056, IEC62477-1, IEC61000-6-2/4, UL9540A
Grid code	EN50549-1/-10, EN50549-2/-10, G99, VDE4105, NRS097, C10/11, CEI0-21, CEI0-16

Packing & Delivery

When it comes to energy storage project delivery, a systematic and professional transportation & installation process is key to ensuring your BESS (Battery Energy Storage System) operates reliably. Elecnova delivers a full-cycle service from warehouse to commissioning, designed to bring efficiency and confidence to your project:
Warehouse:Our professional warehouses in China and the Netherlands ensure your energy storage equipment is stored and managed to the highest standards, ready for timely dispatch.
Loading:With specialized forklifts and strict operational protocols, we load your BESS units safely onto transport vehicles, minimizing any risk of damage during handling.
Transport:Our trusted logistics network delivers your equipment to the project site worldwide, with full visibility and control throughout the journey.
Unbox:On-site, our experienced team conducts careful unboxing, ensuring every component of your energy storage system is intact and ready for installation.
Install:We follow rigorous installation guidelines to set up your BESS with precision, aligning with industry best practices for safety and performance.
Debug:Finally, our technical experts perform thorough debugging and testing, ensuring your energy storage system is fully optimized and ready to deliver reliable energy storage and dispatch.

Reference

From Italy, the Netherlands, Belgium, Czech Republic, and Poland in Europe, to Ukraine, Southeast Asia, Africa, and the Middle East, Elecnova's energy storage solutions are transforming energy landscapes worldwide. Trusted across continents, we deliver reliable, scalable BESS to empower your energy security, wherever you are.

After Sales Service

Elecnova stands behind every energy storage solution with a robust after-sales ecosystem. In Europe, our dedicated after-sales center in the Netherlands, 6 service partners, and Rotterdam warehouse with ample spare parts ensure localized, timely support.
We offer an industry-leading max 5+5 years warranty, coupled with a cells performance warranty of up to 8000 cycles at 75% SOH. Our services extend to on-site/online training (maintenance, installation, sales), comprehensive technical guidance (specifications, schematic, design), 3rd party EMS testing, and tailored support for special projects.

Elecnova's energy storage solutions are backed by a comprehensive suite of international certifications, underscoring our
commitment to excellence, safety, and compliance across global markets:
* Transport & Safety: UN38.3 (battery transport safety), MSDS (material safety data).
* Industry Standards: IEC 62619, IEC 63056, IEC 62477, IEC 61000 (electromagnetic compatibility), CEI 0-16, CEI 0-21.
* North American Compliance: UL 9540A.
* Environmental & Restrictions: RoHS.

Company Profile

With 28 years of industry experience, Elecnova/Sfere is a leading player in the energy storage sector. We dedicate 10% of our revenue to R&D, ensuring continuous technological advancement. Moreover, our 15% Enterprise rating in EcoVadis reflects our strong commitment to environmental, social, and governance (ESG) standards. From cutting-edge innovation to sustainable development, Elecnova consistently delivers reliable energy storage solutions to power the global energy transition.

Showcasing innovation worldwide, our energy storage solutions have been featured at leading international exhibitions including Intersolar Europe, SNEC Shanghai, Middle East Energy, and Solar & Storage Live events across the UK, Italy, Vietnam, and the Philippines, reflecting our active global engagement and industry recognition.

FAQ

Q:Who are we? Are you trading company or manufacturer ?
We are manufacturer.We are based in Shanghai, China, start from 1998. There are total about 600+ people in our company.

Q:Can you supply OEM &ODM service?
A:Yes, but there is a minimum order quantity required.

Q:Can you ship your battery products by sea or by air ?
A:We have long-term cooperated forwarders who are professional at battery shipment.

Q:How long is the warranty?
A:Our warranty is from 5~10 years.

Q:Why should you buy from us not from other suppliers?
Elecnova is a professional manufacturer of energy storage system .Our company specializes in the production of PCS,Battery PACK,BMS,EMS and all in one cabinet.

Q:How do you provide after-sales service?
A:We have overseas branches can provide repair and replacement.

Q:Can I get a sample?
A:Yes, please leave your contact information and our sales manager will contact you soon.