Deye WS-L4300 & PCS1125 & TS1000 Series
Utility-Scale ESS | WS-L4300
The Deye WS-L4300 & PCS1125 & TS1000 Series is a utility-scale energy storage system from Deye, built for reliable utility and large-scale renewable energy projects. It uses safe LiFePO4 battery chemistry, an intelligent BMS, and supports modular expansion so you can scale capacity as your energy needs grow.
Why Choose the Deye WS-L4300?
- Safe LiFePO4 Chemistry – Long cycle life and high thermal stability
- Smart BMS Protection – Active monitoring and multi-level safety protection
- Modular & Scalable – Expand capacity by connecting multiple units in parallel
- Easy Monitoring – Real-time status via app, CAN, RS485 or Bluetooth (model dependent)
- Backup Ready – Designed for seamless integration with Deye hybrid inverters
Key Features
- 4.34 MWh Battery Storage: 314 Ah LiFePO4 cells in a 20-foot container
- Layered Protection: Fire protection, electrical safeguards and insulation monitoring
- Nominal Capacity 314 Ah per cell
- 4.34 MWh Liquid-Cooled Battery Container
Technical Specifications
| Specification | Value |
|---|---|
| Model | WS-L4300-BC-3 |
| Battery Chemistry | LiFePO4 |
| Nominal Energy | 4340kWh |
| Nominal Capacity | 314 Ah per cell |
| Weight Approximate | 38000kg |
| Dimensions (W × D × H) | 6,058 × 2,438 × 2,896 mm |
| Type of cooling | Liquid cooling |
| Nominal DC Voltage | 768Vdc |
| DC Voltage Range | 648Vdc ~ 876Vdc |
Looking for a dependable Deye WS-L4300 battery for your solar installation? The Deye WS-L4300 & PCS1125 & TS1000 Series delivers proven performance, flexible expansion, and full compatibility with Deye hybrid inverters. Contact us for pricing, datasheets, and installation support.
| Brand | Deye |
|---|---|
| Product Type | Utility-Scale ESS |





