261 KWh Liquid-Cooled Outdoor Integrated Energy Storage System

261 KWh Liquid-Cooled Outdoor Integrated Energy Storage System

Product: 261 kWh Liquid-Cooled Outdoor Integrated Energy Storage System
Battery capacity: 261 kWh
Integrated inverter: 125 kW bidirectional PCS
Battery type: LFP, 3.2 V / 314 Ah cells
Battery configuration: 1P260S
Battery voltage range: 728–923 V DC
Charge/discharge rate: ≤0.5C
Operating modes: Grid-connected and off-grid
Rated AC voltage: 230/400 V
Cooling: Liquid cooling
Monitoring: Cloud web and app-based remote monitoring
Protection rating: IP54
Operating temperature: −30°C to +55°C; derating above 45°C
Dimensions (W × D × H): 1,000 × 1,340 × 2,390 mm
Weight: Approx. 2.7 t
Applications: Commercial and industrial energy management, peak shaving and renewable energy integration
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Description
Technical Parameters
SINELINK
COMMERCIAL & INDUSTRIAL ENERGY STORAGE
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BATTERY + INVERTER. ONE CABINET.

261 kWh Liquid-Cooled Outdoor Energy Storage System

GYL-261 brings LFP battery storage and a 125 kW bidirectional PCS together in an integrated cabinet for commercial and industrial energy management.

Integrated inverter · Liquid cooling · Cloud monitoring
BATTERY CAPACITY
261 kWh
INTEGRATED PCS
125 kW
BATTERY CHEMISTRY
LFP
ENCLOSURE
IP54
01 / INTEGRATED DESIGN

Storage and power conversion, brought together

Store energy, manage site demand and coordinate charge and discharge from one integrated platform. GYL-261 combines battery capacity, bidirectional AC conversion, liquid cooling and connected controls for a compact outdoor installation.

Integrated PCS

The inverter is included in the cabinet architecture, converting power between the battery and the AC system.

Liquid-cooled batteries

Thermal management supports consistent operating conditions across the battery system.

Connected operation

Cloud web and app monitoring support remote visibility, scheduling and operation.

02 / HOW THE SYSTEM WORKS

Five functions. One coordinated system.

Battery | Stores energy

LFP cells store electrical energy as DC power.

BMS | Supervises the battery

The battery management system monitors cell conditions and sets operating limits.

PCS | Converts power

The bidirectional inverter converts AC to DC for charging and DC to AC for discharge.

EMS | Plans operation

Energy management selects when to charge or discharge within battery and PCS limits.

Cooling and protection | Maintain conditions

Thermal management and protection systems support operation and respond to abnormal conditions.

Explore how BESS components work together →

03 / ENERGY APPLICATIONS

Put stored energy to work

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Peak demand management

Schedule discharge during demand peaks to help reduce grid draw, subject to the site load profile and tariff.

Renewable energy integration

Coordinate storage with the site's renewable generation and AC distribution design.

Backup and off-grid projects

Off-grid output supports suitable system designs. Transfer arrangements and critical loads determine backup performance.

04 / CONTROL & THERMAL MANAGEMENT

Designed for visibility and daily operation

Remote monitoring

Monitor the system through cloud web and app interfaces, with local and remote wireless control.

Smarter scheduling

AI-assisted strategy optimisation supports energy scheduling around operating priorities.

Temperature management

Liquid cooling and control algorithms support a system temperature difference of ≤5°C under the specified operating conditions.

Layered safety

Detection, prevention, ventilation and fire suppression form a coordinated safety approach.

05 / TECHNICAL DETAILS

GYL-261 specifications

DC Battery Parameters

Model
GYL-261
Cell type
LFP, 3.2 V / 314 Ah
Battery configuration
1P260S
Battery voltage range
728–923 V DC
Battery capacity
261 kWh
Charge/discharge rate
≤0.5C

Grid-Tied AC Parameters

Rated power
125 kW
Rated grid voltage
230/400 V, −15% to +15%
Rated grid frequency
50/60 Hz, ±5 Hz
Power factor
−1 leading to +1 lagging
AC current harmonics THDi
<2% at rated output power
Connection
3W+PE, three-phase three-wire / 3W+N+PE, three-phase four-wire

Off-Grid AC Parameters

Rated output voltage
230/400 V
Rated output power
125 kW
Rated output frequency
50/60 Hz
AC voltage harmonics THDu
<3% with linear load

System Parameters

Maximum system efficiency
Up to 90%
Ambient temperature
−30°C to +55°C; derating above 45°C
Humidity
0–95% RH
Maximum altitude
4,000 m; derating above 2,000 m
Enclosure protection
IP54
Cooling
Liquid cooling
Weight
Approx. 2.7 t
Dimensions W × D × H
1,000 × 1,340 × 2,390 mm
06 / PRODUCTION

From cell handling to system integration

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Coordinated cell handling, battery assembly and cabinet integration support a consistent production workflow.

Define the configuration

Align the battery, PCS, cooling and control interfaces with the order specification.

Plan quality checks

Set inspection and functional verification requirements for the assembled system before delivery.

 

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07 / PACKING & DELIVERY

Prepare the cabinet for its next destination

Plan handling and protective packaging around the cabinet dimensions, weight and shipping route. Discuss crate, pallet and destination requirements as part of the order.

Reserved handling interfaces support lifting and installation planning. Site access, foundations and service clearances should be ready before delivery.

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08 / COMMON QUESTIONS

Before you select your system

Is the inverter included?

Yes. This integrated design combines 261 kWh of battery capacity with a 125 kW bidirectional PCS.

Does 261 kWh mean two hours at full power?

261 kWh divided by 125 kW is about 2.1 hours before losses. Actual duration depends on usable energy, operating limits and auxiliary consumption.

Is backup transfer seamless?

Off-grid output ratings do not specify transfer time. Select and verify the switching arrangement for the connected loads.

What should I send for a quotation?

Share the load profile, operating objective, grid voltage, site conditions, quantity and destination market.

YOUR NEXT ENERGY STORAGE PROJECT

Configure storage around your site

Talk to SINELINK about the operating strategy, installation requirements and delivery plan for your 261 kWh system.

Request a quotation →

09 / RELATED PRODUCTS

Explore More Outdoor Energy Storage Cabinets

Browse all outdoor ESS cabinets →

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specifications

DC Battery Parameters

Model
GYL-261
Cell type
LFP, 3.2 V / 314 Ah
Battery configuration
1P260S
Battery voltage range
728–923 V DC
Battery capacity
261 kWh
Charge/discharge rate
≤0.5C

Grid-Tied AC Parameters

Rated power
125 kW
Rated grid voltage
230/400 V, −15% to +15%
Rated grid frequency
50/60 Hz, ±5 Hz
Power factor
−1 leading to +1 lagging
AC current harmonics THDi
<2% at rated output power
Connection
3W+PE, three-phase three-wire / 3W+N+PE, three-phase four-wire

Off-Grid AC Parameters

Rated output voltage
230/400 V
Rated output power
125 kW
Rated output frequency
50/60 Hz
AC voltage harmonics THDu
<3% with linear load

System Parameters

Maximum system efficiency
Up to 90%
Ambient temperature
−30°C to +55°C; derating above 45°C
Humidity
0–95% RH
Maximum altitude
4,000 m; derating above 2,000 m
Enclosure protection
IP54
Cooling
Liquid cooling
Weight
Approx. 2.7 t
Dimensions W × D × H
1,000 × 1,340 × 2,390 mm
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