
Rate Power 6KW
Usage Energy: 15KWh
The ESS 6KW+15KWH All-In-One is an integrated hybrid energy storage system targeting medium-sized households and light commercial installations. The 6kW inverter delivers stable output for multiple appliances, while the 15kWh LiFePO4 battery ensures extended runtime for off-grid and backup scenarios. With dual MPPT channels and up to 9kW PV input capacity, the system offers installers high flexibility in array design. Its compatibility with generator input, WiFi monitoring, and lithium/lead-acid modes reduces deployment complexity and shortens commissioning time on-site.
The Features of ESS 6KW+15KWH All-In-One Inverter Battery System

BMS
Support Lithium/Lead-acid Battery
Photovoltaic
MAX.PV 9KW
Wave
Pure Sine Wave
BMS
Built-in Solar Charger
Grid
Feed-in to Grid
Charger
Workable with Generator
MPPT
Wide MPPT Range 80-520V
Monitoring
WiFi Monitoring
The Technical Parameter of ESS 6KW 15KWH All-in-One Inverter Battery System
| Item | Specification |
|---|---|
| PV Input | |
| Max. PV Input Power (kW) | 9 |
| Max. PV Open Circuit Voltage (V) | 550 |
| MPPT Voltage Range (VDC) | 80–520 |
| Full Power MPPT Voltage Range (VDC) | 250–500 |
| Start-up Voltage (VDC) | 90 |
| Max. Input Current per MPPT (A) | 19 / 19 |
| Max. Short-circuit Current (A) | 25 / 25 |
| MPPT Trackers / Strings | 2 / 1 |
| Nominal Input Voltage (V) | 360 |
| AC Output (On-Grid) | |
| Nominal Output Power to Grid (kW) | 6 |
| Nominal Apparent Power to Grid (kVA) | 6 |
| Max. Apparent Power from Grid (kVA) | 6 |
| Nominal Output Current from Grid (A) | 26.1 |
| Max. Output Current to Grid (A) | 26.1 |
| Nominal Voltage / Frequency | 230V (176V–280V), 50/60Hz, L+N+PE |
| Adjustable Power Factor | 0.8 leading – 0.8 lagging |
| THD | <2% |
| AC Output (Backup) | |
| Nominal Output Power (kW) | 6 |
| Max. Apparent Power (kVA) | 6 |
| Nominal Output Current (A) | 26.1 |
| Max. Output Current (A) | 26.1 |
| Nominal Voltage / Frequency | 230V (176V–238V), 50/60Hz, L+N+PE |
| Automatic Switch Time (ms) | <20 |
| THD | <2% |
| Overload Capacity | 110% 10s / 130% 3s / 150% 50ms |
| Efficiency | |
| Max. Efficiency | 96.65% |
| Europe Efficiency | 97.50% |
| MPPT Efficiency | 99.00% |
| Max. Battery Charge/Discharge Efficiency | 94.60% |
| Battery | |
| Nominal Battery Voltage | 51.2VDC |
| Rated Energy | 15kWh (0.5C, 25°C) |
| Usable Energy (90% DOD) | 15kWh |
| Max. Charge / Discharge Current | 120A / 120A |
| Operation Voltage Range | 40.5Vdc – 54.5Vdc |
| Operating Temperature | -10°C ~ +50°C |
| Interface | |
| Display | LCD |
| Communication | RS485 / RS232 |
| Monitoring | WiFi |
| General Data | |
| Ingress Protection | IP65 |
| 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) | 550 × 285 × 1243 |
| Package Size (mm) | 570 × 305 × 1443 |



Why Choose the ESS 6KW 15KWH All-in-One Inverter Battery System?
- 6kW hybrid inverter with dual MPPT (80–520V)
- 15kWh LiFePO4 battery for multi-hour autonomy
- PV input capability up to 9kW
- WiFi monitoring & generator support
- Stable operation in wide temperature conditions
- Designed for medium load households and shops
Why Choose the INV 3600-24 SINGLE PHASE ON/OFF-GRID SOLAR INVERTER?
For residential hybrid solar systems where partial self-sufficiency is desired. Suitable for Small offices and retail spaces, Rural locations with unreliable power, Telecom support in small stations, EPC installers seeking mid-range solutions
Powerful Energy Solution
6KW rated output with 15KWH lithium battery storage provides stable and continuous power for homes and small businesses, ensuring a reliable energy supply day and night
High Efficiency Performance
MPPT efficiency up to 99%, overall max. Efficiency of 96.65%, and battery charge/discharge efficiency of 94.6% – maximizing solar utilization and minimizing energy loss
Seamless Backup Power
Automatic switch time less than 20ms guarantees uninterrupted power during grid failures, keeping your essential loads safe and stable
Smart Monitoring & Control
Equipped with an LCD, RS-485/RS-232 communication, and WiFi monitoring for real-time system management and remote control
Durable & Reliable
IP65 protection, wide operating temperature range (-10℃~+50℃), and multiple safety protections (overload, short circuit, over-temperature) ensure stable performance in all environments
Cost Saving & Eco-Friendly
Reduce electricity bills by increasing self-consumption of solar power and contribute to a sustainable, low-carbon lifestyle
The ESS 6KW 15KWH 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