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DEYE WS-L4300-2H3 Utility-Scale ESS

Deye 4,340 kWh 768 V Lithium Solar Battery WS-L4300-2H3 – 20-ft Battery Energy Storage Container

Deye's 4,340 kWh liquid-cooled battery container: 768 V, up to 3,150 A, aerosol and water fire suppression, and a stated 10-year warranty.

Authorised Deye distributor for the Middle East — certificate No. GFKFLFI1.

  • Energy: 4340 kWh
  • Nominal Voltage: 768 V
  • Cycle Life: >6000
AED 1,935,000incl. VAT

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Deye 4,340 kWh 768 V Lithium Solar Battery WS-L4300-2H3 – 20-ft Battery Energy Storage Container features

4,340 kWh in one footprint

314 Ah LiFePO4 cells in 1P48S strings at 768 V nominal, inside a 6,058 x 2,896 x 2,438 mm container.

Liquid-cooled stability

Liquid cooling supports operation from -30 to 55 degrees Celsius and currents up to 3,150 A below 0.5P.

3+3 fire protection

Aerosol and water suppression combined in a 3+3 fire-protection system.

Watchful electrics

AC leakage detection, DC insulation monitoring and a high-voltage interlock guard the plant.

Coast-and-cold ready

An IP55 enclosure with anti-corrosion above C4, storage to -30 degrees Celsius and humidity to 95% non-condensing.

Four control interfaces

CAN, RS485, TCP and DIDO tie the container into plant-level supervision, under a stated 10-year warranty.

About the Deye 4,340 kWh 768 V Lithium Solar Battery WS-L4300-2H3 – 20-ft Battery Energy Storage Container

Density defines the Deye WS-L4300-2H3: 4,340 kWh of LiFePO4 storage in a single 6,058 x 2,896 x 2,438 mm container, its 1P48S strings of 314 Ah cells held at working temperature by liquid cooling. The DC system runs at 768 V nominal across a 648-876 V window, moving up to 3,150 A at rates below 0.5P. Its safety stack is engineered for unattended sites: aerosol and water fire suppression within a 3+3 fire-protection system, AC leakage detection, DC insulation monitoring and a high-voltage interlock. The IP55 shell with an anti-corrosion grade above C4 operates from -30 to 55 degrees Celsius and stores from -30 to 60, with humidity tolerance to 95% non-condensing - cold-climate and coastal deployments included. Cycle life exceeds 6,000 cycles to 70% capacity, and Deye states a 10-year warranty. CAN, RS485, TCP and DIDO interfaces integrate the 40,000 kg unit into plant-level control. We are an authorised Deye distributor and supply the WS-L4300-2H3 from our own stock, with technical support before and after the sale.

Specifications last updated 24 January 2026

Deye 4,340 kWh 768 V Lithium Solar Battery WS-L4300-2H3 – 20-ft Battery Energy Storage Container is best for

  • Utility-scale storage plants measured in megawatt-hours
  • Cold-climate sites operating down to -30 degrees Celsius
  • Coastal or corrosive environments (protection above C4)
  • Grid-scale projects integrating via CAN, RS485, TCP and DIDO

Deye 4,340 kWh 768 V Lithium Solar Battery WS-L4300-2H3 – 20-ft Battery Energy Storage Container is not for

  • Residential or small commercial storage
  • Sites above 2,000 m altitude
  • Locations without heavy-lift logistics for a 40,000 kg container
  • Condensing-humidity environments

Deye 4,340 kWh 768 V Lithium Solar Battery WS-L4300-2H3 – 20-ft Battery Energy Storage Container full specifications

Electrical

Energy4340 kWh
Nominal Voltage768 V
System Nominal Voltage768 V
Operating Voltage648-876 V
Rated Capacity314 Ah
Module Capacity314 Ah
Cell ChemistryLiFePO4
Pack Configuration1P48S
Cycle Life>6000
Max. Charge Rate<0.5P
Max. Discharge Rate<0.5P
Max. Charge Current3150 A
Max. Discharge Current3150 A
Max. Charge/Discharge Current3150 A
Min. Battery Module Quantity1
Protection FeaturesAC Leakage Detection, DC Insulation Detection, High-Voltage Interlock, 3+3 Fire Protection System
Warranty (Years)10

Mechanical

Communication PortsCAN, RS485, TCP, DIDO
Dimensions6058 x 2896 x 2438 mm
Weight40000 kg

Environmental

Altitude<2000 m
Anti-Corrosion Grade>C4
Fire SuppressionAerosol, Water
Operating Humidity0-95 (non-condensing) %
Enclosure IP RatingIP55
Storage Temperature-30 to 60 °C
Cooling TypeLiquid Cooling
Working Temperature-30 to 55 °C

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