All-in-one ESS is an integrated energy storage system designed specifically for small to medium-sized microgrid systems. It aims to simplify installation and optimize energy management, offering flexible energy storage options from 25 kWh to 100 kWh. It is ideal for factories, offices, commercial buildings, schools, and remote areas seeking energy independence and cost savings.


Product Features
1. Simple and Convenient
The energy storage system adopts an integrated design, incorporating multiple configurations, eliminating the need for multiple external devices and occupying a small area. It reduces complex wiring, saves time, and is easy to install and maintain.
2. Flexible and Efficient
Flexible operating modes and photovoltaic controller configuration. Supports multiple communication methods and energy management strategies. Available energy storage solutions of 25kWh, 35kWh, 50kWh, 70kWh, 90kWh, and 100kWh.
3. Safe and Reliable
High-precision, high-quality power supply. Intelligent software and hardware protection mechanisms with comprehensive protection functions.
4. Fully Functional
0ms switching, no power loss under load; 7-inch large touchscreen display for easy management and operation.
Product Specification

| MODEL | NB H3330 | NB H3340 | NB H3360 | NB H3380 | NB H33100 | NB H33120 | 
| Rated Capacity(kVA) | 30 | 40 | 60 | 80 | 100 | 120 | 
| Rated Power (kW) | 27 | 36 | 54 | 72 | 90 | 108 | 
| Rated Voltage | 400V | |||||
| AC Mode | 3W+N+PE | |||||
| Voltage Range | 320V-460V | |||||
| Rated Output Voltage | 400V+1% | |||||
| Rated Frequency | 50/60Hz | |||||
| Frequency Range | 45-55/55-65Hz | |||||
| Isolation Transformer | Standard Accessories | |||||
| Battery Pack Voltage Adaptation | 330-430Vdc | |||||
| Battery Cell Count Adaptation | 120 sections | |||||
| Working Mode | ECO, Load Priority, Battery Priority, Peak Shaving | |||||
| PV Input | ||||||
| PV Max. Input Voltage | 900Vdc | |||||
| MPPT Voltage Range | 450-900Vdc | |||||
| Max. Input Power (Per Circuit) | 60kW | |||||
| Full Power Voltage Range | 450-900Vdc | |||||
| Starting Voltage | 450V | |||||
| Max. PV Current | 135A Per Circuit | |||||
| Number Of PV input Circuits | 1 | 1+1 | 2+1 | |||
| AC Rectifier | ||||||
| Input Voltage Range | Three-phase 400V±20% | |||||
| Rated Frequency | 50Hz/60Hz (Backend settings) | |||||
| Frequency Range | 50Hz/60Hz±5Hz | |||||
| Soft Start | 0-100%10S | |||||
| Float Voltage (25°C) | 405V+1%(Settable) | |||||
| Equalizing Voltage (25°) | 425V+1%(Settable) | |||||
| Max. Charging Current (A) | 160 | 240 | 320 | |||
| Inverter | ||||||
| Inverter Output Voltage | 3-phase 4-wire +G 400Vac | |||||
| Output Phase Voltage Setting | 220-230-240Vac(Settable) | |||||
| Output Voltage Accuracy | ±1% | |||||
| Voltage Transient Range | +5% | |||||
| Transient Recovery Time | 20ms | |||||
| Rated Frequency | 50 Hz/60Hz+1%(Settable) | |||||
| Frequency Tracking Range | 50H/60Hz±3Hz | |||||
| Peak Factor | 3:01 | |||||
| Waveform | Sine Wave | |||||
| Waveform Distortion Rate | ≤3%(Linear Load) | |||||
| Voltage Imbalance Rate | ±3%(100% Unbalanced Load) | |||||
| Overload | when 105%< load rate ≤110%: turn to bypass after 1 hour, load shedding automatic recovery | |||||
| when 110%<Load rates 125%: turn to bypass after 10 minutes, load shedding automatic recovery | ||||||
| when 125%<Load rates 150%: turn to bypass after 1 minute, load shedding automatic recovery | ||||||
| when 150%<Load rates 200%: the system will be shut down directly after 10s, and the user will confirm the load reduction and power on. | ||||||
| when 200%<Load rate: The system shuts down immediately and the user confirms the load-shedding power-up | ||||||
| Short-Circuit | System current limiting, immediate shutdown, user confirmation of power on | |||||
| Bypass | ||||||
| Rated Voltage | 3-phase 4-wire +G 400Vac | |||||
| Voltage Range | ±20% | |||||
| Rated Frequency | 50/60Hz±5Hz | |||||
| Battery | ||||||
| Battery Capacity | Settable | |||||
| Termination discharge voltage (25°) | Settable | |||||
| Charge Current Setting | Lithium: factory setting 0.50C,0.05-2.0C(Settable) | |||||
| Battery Intelligent Management | Automatic switching between equalizing and float charging | |||||
| Battery pack automatic temperature compensation (according to the ambient temperature when the battery temperature detection line is not connected),default 2 mV/°C | ||||||
| Staggered Discharge Depth Setting | User settable | |||||
| Conversion Time | ||||||
| Inverter-Bypass Switching | 0ms | |||||
| Bypass-Inverter Switching | 0ms | |||||
| Communication Interface | ||||||
| Remote Control Input | Battery self-test, inverter power on, power off abnormality clearing, emergency shutdown | |||||
| Computer Monitoring Port | RS232, RS485, CAN, SNMP(Optional), WIFI(Optional), GPRS (Optional) | |||||
| Dry Contact Output 12Vdc/250Vac 1A Max | Bypass input abnormality, rectifier input abnormality, system fault, system alarm, battery low voltage, output overload, fan fault, generator ON/OFF(settable) | |||||
| Environment | ||||||
| Operating Temperature | 0-40℃ | |||||
| Max. Relative Humidity | 90%(Non-condensing) | |||||
| Max. Elevation | 1000 meters rated power (1% reduction for 100 meters of elevation) 4000 meters Max. | |||||
| Others | ||||||
| Cooling | Forced Ventilation | |||||
| Noise | <65 | |||||
| Mean Time Between Failure(MTBF) | 200,000 hours | |||||
| IP Class (EN60529) | IP20 | |||||
| Incoming Wires | Downward entry line | |||||
| Standard | IEC62040-1-1、EN62109-1:2010,EN62109-2:2011 | |||||
 
								



