BATTERY ENERGY STORAGE SYSTEMS (BESS)
WS-L4300 + PCS1125 + TS1000 — 4.34 MWh liquid-cooled containerized BESS
Country: China · Model: WS-L4300 + PCS1125 + TS1000
A grid-scale BESS of 4,340 kWh in a liquid-cooled 20 ft container with 314 Ah LiFePO4 cells. The set consists of the WS-L4300 battery container, PCS1125 converters with a combined 1,125 kW, and the TS1000 transformer station.
- Chemistry
- LiFePO4, 314 Ah
- Energy
- 4,340 kWh
- DC voltage
- 768 V (648–876 V)
- PCS
- 1,125 kW (9 × 125 kW), 400 V
Technical specifications
| Chemistry | LiFePO4, 314 Ah |
|---|---|
| Energy | 4,340 kWh |
| DC voltage | 768 V (648–876 V) |
| PCS | 1,125 kW (9 × 125 kW), 400 V |
| Design | 20 ft container, 40 t |
| Ingress protection | IP55, ≥ C4 |
| Customs codes (for reference) | |
| HS code | 8507.60 |
| UKTZED code (Ukraine) | 8507600000 |
| CN code (EU) | 85076000 |
Specifications are taken from the manufacturer’s technical documentation. Updated . Customs codes are for reference only; the final code is determined at customs declaration for the specific model.
Description
Battery DC voltage is 768 V, with a 648–876 V operating range. The PCS1125 block is made of 9 converters of 125 kW each with a 400 V output, and if one module fails the rest keep running at reduced power. The TS1000 transformer station steps the 400 V up to grid voltage. At full PCS power the 4,340 kWh reserve lasts almost four hours, so the set is meant for energy shifting rather than short peaks alone. The container weighs 40 t and needs a concrete slab and a crane of matching capacity. Ingress protection is IP55, and the corrosion class is C4 or higher.
How to choose
Take this set when you need a modular 400 V converter and a separate transformer station that can be placed apart from the battery on site. If a single unit with the PCS and a 12–36 kV medium-voltage transformer suits better, the WS-L5000 + WS-MV5000 with its 5,016 kWh container fits. Sites of a few hundred kilowatts can do with the MC-L522 cabinet with 522.5 kWh and 250 kW or the MC-L430 / MS-L430 on the same 768 V platform.
Request a price and lead time
WS-L4300 + PCS1125 + TS1000 — 4.34 MWh liquid-cooled containerized BESS. We reply within one business day.
Or email office@usk.ua or call +38 (044) 339-50-20.
FAQ
What is the PCS power in the WS-L4300 system?
1,125 kW, made up of 9 converters of 125 kW each with a 400 V output.
What is the DC voltage of the WS-L4300 container?
768 V nominal, with a 648–876 V range.
How much does the WS-L4300 container weigh?
40 t in the 20 ft version with IP55 protection.
How many hours of discharge does the WS-L4300 give?
At the full power of the PCS1125, the 4,340 kWh reserve lasts almost four hours.
What corrosion class does the WS-L4300 container have?
C4 or higher, with IP55 ingress protection.
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