WS-L Liquid-Cooled Series BESS Solution
WS-L Liquid-Cooled Series BESS solution
The WS-L Liquid-Cooled Series BESS Solution is a utility-scale storage solution for grid-connected projects in the megawatt-hour range. The page lists one model, 4,340 kWh.
We quote it on its own or together with a Deye hybrid inverter and the accessories the system needs. Availability, lead time and delivery to your site are confirmed in the written quotation.
No prices online: every order is quoted in writing.
- Manufacturer's category
- Utility-Scale ESS
- Rating
- 4,340 kWh
- Chemistry
- LiFePO4
- Nominal voltage
- 768Vdc
- Models on this page
- 1
- Manufacturer's market list
- AS, AF, EU, LATAM

Models
| Model | Rating |
|---|---|
| WS-L4300-BC-3 | 4,340 kWh |
Technical specifications
Values as published by the manufacturer, one column per model where the manufacturer's table has them.
| Model | WS-L4300-BC-3 |
|---|---|
| Battery Chemistry | LiFePO4 |
| Nominal Capacity | 314Ah |
| Type of cooling | Liquid cooling |
| Nominal DC Voltage | 768Vdc |
| DC Voltage Range | 648Vdc ~ 876Vdc |
| Nominal Energy | 4340kWh |
| Weight Approximate | 38000kg |
| Dimension (W×H×D) | 6058 × 2438 × 2896 mm |
Documents
- Brochure (2026-02-10)Datasheet · 6.2 MB · PDF ↗
- User manual (v01)Manual · EN · 2.1 MB · PDF ↗
- User manual (v02)Manual · EN · 8.6 MB · PDF ↗
- User manual (v02)Manual · EN · 3.3 MB · PDF ↗
All documents open from the manufacturer's own servers, so you always get the file Deye currently publishes. Most are in English.
Key features
As listed by the manufacturer.
- Ultimate safety: 3+3 fire protection, 3+3 electrical safeguards, AC leakage & DC insulation detection
- Five levels of fire protection for enhanced operational security
- High energy density: compact 20′ container options with multi‑MWh capability.
- Flexible scalability: modular design supporting 2‑h and 4‑h configurations
- PV‑ready: DC coupling up to 1440 kW for seamless solar integration
- High power PCS: large PCS options (e.g., ~1125 kW) for utility applications
- Smart cloud management: AI optimization, 24/7 remote monitoring, real‑time health & safety alerts
- Cluster management: single‑pane control for high availability across multiple units
Independent dealerSECURISTIKA SRL is an independent dealer of Deye products. This website is not affiliated with, endorsed by or operated by the manufacturer.
Specifications, features and documents as published by the manufacturer. Check the current datasheet before you order. Source page (opens in a new tab)
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Tell us what you are building
Send the models and quantities, or just the system size and the site country. We reply with a written quotation.