Smart Energy Storage Terminal System with PV+Storage+Charging Integration

Nxten Smart Energy Storage Terminal System is a stackable outdoor energy storage system (60kW/129kWh) integrating ultra-safe LFP batteries, intelligent liquid cooling, and multi-level fire protection for PV+storage+charging applications with IP55 ruggedness and modular scalability.

Deployment Scenarios:
· EV Fast Charging Stations – 40% demand charge reduction
· Industrial Microgrids – Seamless backup with STS switching
· Off-Grid Power – Solar hybridization for remote areas

01. Military-Grade Safety Design
02. Precision Thermal Management
03. 3-Stage Fire Safety

Category Parameter Technical Details
Battery System
Cell Type LFP 3.2V/280Ah UL1973 cerified, Energy density: 155Wh/kg
Configuration 1P144S(129.02KWh) 460.8V nominal voltage, 280Ah capacity
Voltage Range 403.2-518.4V 20%-100%SOC operating window(±0.5%accuracy)
Cycle Life ≥6,000 cycles @80%DoD, 80%capacity retention
Calendar Life ≥10 years @25°℃ ambient, ≤50%SOC storage
Power Conversion
PCS Rating 60KW(66KW peak) CEC efficiency≥97%, European efficiency≥96.5%
AC Voltage 380V±15% LVRT/HVRT compliant, THD<3%
Overload Capacity 1.1x continuous,1.2x 1min 150%overload for 10s
PV Integration
Max PV Input 60kW 3 MPPT trackers, 99.9%tracking efficiency
Input Voltage 260-900VDC 150V cold-start capability
Themal Management
Cooling Method Intelligent forced air Variable-speed fans (40-100%PWM control)
Cell Temp Range 15-30℃(±5℃ gradient) Active balancing when △T≥3℃
Ambient Range -30℃~+55℃ Heated operation below 0℃
Safety Systems
Fire Protection Pack aerosol+cabinet FPK NFPA 855 compliant, 0.5s detection time
Pressure Relief Cell/Pack/System triple vents 5kPa activation pressure
IP Rating IP55 Protected against water jets (6.3mm nozzle)
Communications
Interfaces RS485/CAN/Ethernet lsolation voltage: 2500VAC
Protocols Modbus RTU/CAN2.0/EtherCAT Sample rate: 100ms(voltage), 1s(temperature)
Mechanical
Dimensions 1204×1180×1800mm 19″ rack-mountable design
Weight ≤110kg/module 304 stainless steel enclosure