Lithium energy storage system ESS 12KW+30KWH

lead-acidfor solar applicationsfor photovoltaic systems

The ESS 12KW30KWH is an all-in-one pure sine wave inverter and battery energy storage system integrating inverter, BMS and multiple charging options for residential and commercial applications. It supports grid-tie operation, generator input and provides smart monitoring and flexible communication interfaces.


Features

• Highly integrated inverter and BMS, supporting grid-tie and generator input
• Dual AC output to supply multiple load circuits (120 / 240 VAC configurations)
• Built-in dual MPPT solar chargers, max PV power 12 kW; MPPT voltage range 90–485 VDC
• WiFi smart monitoring and large LCD display for intuitive operation
• Tower front-end wiring terminal design for simplified installation and maintenance
• Rich communication interfaces: RS485, RS232, USB and Dry Contact for system integration

Operating Conditions

• Protection Level: IP21 (indoor installation, protected against vertically falling water)
• Operating Temperature: -10 to 50 degree celsius
• Operating Humidity: 5% to 95% RH (non-condensing)
• Max. Operating Altitude: 4000 m (derating required above 1000 m)

Technical Parameters
AC input:

• Rated input voltage: 120 (L1/N, L2/N) / 240 (L1/L2) VAC
• Voltage Range: (85 ~ 140) ±2% VAC
• Frequency: 50Hz / 60Hz (auto detection)

AC output:

• Rated AC Power: 12 kW
• Surge Power: 18 kVA
• Voltage: 120 (L1/N, L2/N) / 240 (L1/L2) VAC
• Frequency Accuracy (Output): 50 / 60 Hz ±0.1%
• Switch Time: 10 ms
• Wave Form: Pure Sine Wave
• Max. Efficiency (Battery Mode): >95%

Battery:

• Nominal battery voltage: 51.2 VDC
• Rated Battery Capacity / Energy: 30.72 kWh (0.5C, 25)
• Usable Energy (90% DoD): 30 kWh
• Max. Charge / Discharge Current: 200 A / 200 A
• Operating Voltage Range: 44.8 VDC ~ 58.4 VDC

Charger (PV / AC):

• Solar Charger Type: Dual MPPTs
• Max PV input current/power: 22A and 22 A / 6 kW and 6 kW
• MPPT / Operating Voltage Range: 90 VDC ~ 485 VDC;
• Max PV Open Circuit Voltage: 500 VDC
• Max PV Charge Current: 220 A;
• Max AC Charge Current: 160 A;
• Max Charge Current (PV AC): 0–220 A

Other data:

• Display: LCD
• Communication: RS485 / RS232 / USB / Dry Contact
• Monitoring: WiFi
• Storage Temperature: -15C to 60C
• Relative Humidity: 5% to 95% (non-condensing)