
Rate Capacity: 12KW
Usage Energy: 30KWh
The ESS 12 kW 30 kWh All-in-One Inverter Battery System is the ideal choice for users who want reliable performance, long-lasting backup power, and an affordable path to energy independence.
The Features of ESS 12 kW 30 kWh All-in-One Inverter Battery System

BMS
Support Lithium/Lead-acid Battery
Photovoltaic
MAX.PV 12KW
DUAL
Dual AC Output
BMS
Built-in Solar Charger
Grid
Feed-in to Grid
Generator
Workable with Generator
MPPT
Wide MPPT Range 120-520V
Monitoring
WiFi Monitoring
The Technical Parameter of ESS 12 kW 30 kWh All-in-One Inverter Battery System
| Item | Specification |
|---|---|
| AC Input | |
| Rated Input Voltage (VAC) | 120 (L1/N, L2/N) 240 (L1/L2) |
| Voltage Range (VAC) | (85–140) ±2% |
| Frequency (Hz) | 50Hz / 60Hz (Auto detection) |
| AC Output | |
| Rated Capacity (W) | 12000W |
| Surge Power (VA) | 18000VA |
| Voltage (VAC) | 120 (L1/N, L2/N) 240 (L1/L2) |
| Power Factor (PF) | 1 |
| Frequency | 50/60Hz ±0.1% |
| Switch Time (ms) | 10 |
| Wave Form | Pure Sine Wave |
| Overload Protection | (105% < load <110%) 5s; (110% < load <125%) 5s; Load >125% 5s |
| Max. Efficiency (Battery Mode) | >95% |
| Charger (PV / AC) | |
| Solar Charger Type | Dual MPPTs |
| Max PV Input Current / Power | 22A+22A / 6kW+6kW |
| Operating Voltage Range (VDC) | 90Vdc~485Vdc |
| Max PV Open Circuit Voltage (VDC) | 500Vdc |
| Max PV Charge Current (A) | 220A |
| Max AC Charge Current (A) | 160A |
| Max. Charge Current (PV + AC) (A) | 0–220A |
| Battery | |
| Nominal Battery Voltage | 51.2VDC |
| Rated Energy | 30720Wh (0.5C, 25°C) |
| Usable Energy (90%DOD) | 30kWh |
| Max Charge/Discharge Current | 200A / 200A |
| Operation Voltage Range | 44.8Vdc–58.4Vdc |
| Operating Temperature | -10°C ~ +50°C |
| Interface | |
| Display | LCD |
| Communication | RS485 / RS232 / USB / Dry Contact |
| Monitoring | WiFi |
| General Data | |
| Ingress Protection | IP21 |
| Operating Temperature | -10°C ~ +50°C |
| Relative Humidity | 5% ~ 95% (Non-condensing) |
| Storage Temperature | -15°C ~ +60°C |
| Max Operating Altitude | 4000m (Derating above 1000m) |
| Dimension | |
| Product Size (mm) | 595 × 298 × 1550 |
| Package Size (mm) | 755 × 480 × 1630 |



Why Choose the ESS 12 kW 30 kWh All-in-One Inverter Battery System?
Higher Power Output
Delivering 12KW rated output with 30KWH storage, this system is designed for larger households, villas, and commercial facilities with higher energy demands.Strong Energy Backup
A 30 kWh lithium battery with a depth of discharge of up to 90% provides extended autonomy, supporting critical loads for longer periods.Superior Charging Capability
Supports up to 220A PV charge current and 160A AC charge current, allowing faster battery replenishment and efficient operation even with high loads.Advanced Safety & Reliability
Multiple overload protections, pure sine wave output, and IP21 protection ensure safe and stable performance in demanding environments.Intelligent Monitoring
Built-in LCD, RS-485/RS-232/USB/Dry Contact, and WiFi remote monitoring provide complete control and real-time visibility.
The ESS 12 kW 30 kWh All-in-One Inverter Battery System is the ideal choice for households and small businesses to achieve energy independence and sustainable living. You could contact us to get a quotation or get a free all-in-one solution for an inverter battery