Outdoor ESS Cabinet
Advanced household energy storage system with 16.076kWh battery capacity, 6kW hybrid inverter, and intelligent safety features for reliable home energy management.





Household Energy Storage System
WELTRUS Outdoor ESS Cabinet is a comprehensive energy storage solution designed for residential applications. Featuring a 16.076kWh lithium-ion battery with cell-level isolation for safety, 6kW hybrid inverter, and intelligent air cooling, this system provides reliable backup power and maximizes solar energy utilization.
- 16.076kWh battery capacity with 6000+ cycle life
- 6kW hybrid inverter with max 98% efficiency
- Cell-level isolation prevents thermal runaway
- IP65 protection for outdoor installation
- Intelligent air cooling system
- Flexible front and bottom wiring options
- <10ms on/off-grid switchover time
- Support AC coupling and 6 charging periods
Product Features
Technical Specifications
Basic Parameters
| Parameter | Specification |
|---|---|
| Product Name | Outdoor ESS Cabinet |
| Rated Output Power | 6kW |
| Max Output Power | 6.6kWA |
| Rated Output Voltage | 220V/230V/240V AC |
| Rated Frequency | 50Hz/60Hz |
| Max Output Current | 54A |
| Output THDu | <2% |
| Switching Time | ≤10ms |
| Max Efficiency | 97.6% |
| European Efficiency | 97.2% |
Battery Parameters
| Parameter | Specification |
|---|---|
| Battery Type | Lithium-ion (LiFePO4) |
| Nominal Energy | 16.076kWh |
| Rated Capacity | 314Ah |
| Battery Voltage | 51.2V |
| DOD | 80% |
| Cycle Life | >6000@80DOD, 25°C, 0.5C |
| Operating Temperature | Charge: 0°C~45°C, Discharge: -20°C~60°C |
PV Input Parameters
| Parameter | Specification |
|---|---|
| Max PV Input Power | 9000Wp |
| MPPT Voltage Range | 80-500V |
| Starting Voltage | 95V |
| Number of MPPT | 2 |
| Max Input Current Per MPPT | 18A/18A |
Physical & Environmental
| Parameter | Specification |
|---|---|
| Dimensions (W×H×D) | 485mm × 1135.5mm × 240mm |
| Weight | 150kg |
| Cooling Method | Intelligent Air Cooling |
| Ingress Protection | IP65 |
| Noise | <45dB(A) |
| Operating Altitude | <3000m |
| Humidity | 5-95%RH, No condensation |
Communication & Monitoring
| Parameter | Specification |
|---|---|
| Communication Port | RS485/CAN/DO/Parallel Port |
| Monitoring | LCD/APP/WIFI/Bluetooth/4G/LAN |
System Configuration
Hybrid Energy Storage System
The system supports AC coupling and provides seamless on-grid/off-grid switchover with <10ms transition time.
Applications
Certifications & Standards
Our Outdoor ESS Cabinet meets international safety and quality standards:
CONTACT
+86-13735502672
Adhering to the development philosophy of market-oriented, customer-centric, and supply based, we continuously promote technological innovation and product upgrades, and provide global users with higher quality, efficient, and environmentally friendly clean energy solutions.

