SolBank 3.0 Energy Storage System
High-Density, Liquid-Cooled LFP Containerized BESS for Utility-Scale Applications
Product Overview
SolBank 3.0, developed by e-STORAGE, a subsidiary of CSI Solar, is a 5MWh containerized battery energy storage system (BESS) designed for utility-scale deployments. Engineered with high-performance LFP (Lithium Iron Phosphate) cells, intelligent liquid cooling, and a multi-layer safety architecture, SolBank 3.0 delivers exceptional reliability, efficiency, and safety across a wide range of operating environments.
Key Features
High Energy Density
Equipped with 314Ah LFP cells and a compact internal layout, SolBank 3.0 achieves up to 45% more energy density per container.
Smart Liquid Cooling
Adaptive cooling design reduces auxiliary power consumption by approximately 30%, while maintaining uniform temperature control across all cells.
High Round-Trip Efficiency
Achieves 93%–94% RTE, improving overall system yield in both 2-hour and 4-hour configurations.
Integrated Safety & Fire Protection
Includes IP67-rated battery enclosures, gas detection, thermal barriers, real-time alarm systems, and multi-stage fire suppression (Perfluorohexanone + water-based system).
Flexible Configuration
Compatible with a variety of PCS architectures. Offers plug-and-play functionality for fast commissioning and EPC deployment.
Smart Monitoring & Cluster Control
Supports cluster-level battery management to isolate and minimize the impact of single-point faults, maximizing system uptime.
Technical Highlights
Use Case Scenarios
Grid-scale energy storage and frequency regulation
Renewable energy smoothing and time-shifting
Peaking power and capacity reserves
Black start support and backup power
Why Choose SolBank 3.0?
SolBank 3.0 combines high energy throughput, flexible deployment, and multi-layer protection in a single robust solution. With full system-level certification and EPC-ready integration, it offers a future-proof pathway to scalable and secure energy storage.
