The Neptune 3420 High-Performance Liquid-Cooled Storage System is a durable, large-scale energy storage solution that combines superior safety, outstanding economics, and intelligent efficiency. Designed for major energy projects, this system helps you achieve significant savings and improve your project's return on investment (ROI). Its high-level performance and intelligent design make it the perfect choice for utility-scale applications, grid stabilization, and large-scale renewable energy integration.

· 1:1 monitoring of 314Ah cells with zero thermal runaway emissions

· Certified to UL 9540A, IEC 62619, and 10+ global standards

· 30% lower transport and installation costs with non-walk-in design

· 93% energy conversion and 95% system efficiency with liquid cooling

· Built-in EMS and cloud system for remote O&M and fault detection

· Modular DC architecture with 4-hour commissioning and 50% faster setup

Chemistry：LFP

Nominal capacity (Ah)：300

Nominal energy (Wh)：960

Nominal voltage (V)：3.2

Configuration：1P44S

Nominal capacity (Ah)：300

Nominal energy (kWh)：42.24

Nominal voltage (V)：140.8

Configuration：9P396S

Nominal energy (kWh)：3421

Nominal voltage (V)：1267.2

Operation voltage (V)：990~1425.6 / 1108.8~1425.6

Operation range of Recommended voltage(V)：1108.8~1425.6

Nominal charge/discharge power rate：0.5P

Energy efficiency：≥ 93%

Communication interface：CAN/RS485/Ethernet