M4855P-LWD 5.5 kilowatt solar system Stackable Solar Energy Storage System | High-efficiency hybrid inverter with flexible expansion capability
The M4855P-LWD 5.5 kilowatt solar system features a stackable design for flexible power expansion, high-efficiency pure sine wave output, and intelligent battery management. Perfect for residential and commercial solar energy storage applications.
Key Features
- Stackable Design – Free combination for convenient and beautiful installation
- High Efficiency Inverter – 5.5KW rated power with 11KW peak capacity
- Flexible Expansion – Increase power anytime according to demand
- Intelligent BMS Protection – Supports management upgrades and customization
- Premium Battery Cells – A-grade LiFePO4 or lead-acid battery options
- Industrial UI Design – Intuitive interface with stable operation
- Pure Sine Wave Output – Clean power for sensitive electronics
- High MPPT Efficiency – 99.9% tracking efficiency for maximum solar harvest
Technical Specifications
| Inverter Output | |
|---|---|
| Rated Output Power | 5.5KW/5KW |
| Max. Peak Power | 11KW |
| Rated Output Voltage | L+N+PE 208/220/230/240Vac (Settable) |
| Output Waveform | Pure Sine Wave |
| Switching Time | 10ms (typical value) |
| Number of Parallel Units | 9 |
| Battery Specifications | |
|---|---|
| Battery Type | Lead-acid battery/LiFePO4 |
| Rated Battery Voltage | 51.2V |
| Voltage Range | 41.6-58.4V |
| Individual Battery Pack Capacity | 5120Wh |
| Max. Charging Current | 1C |
| Photovoltaic Input | |
|---|---|
| Number of MPPT Paths | 1 |
| Maximum Input Power | 6000W |
| Maximum Input Current | 18A |
| Maximum Open Circuit Voltage | 500Vdc |
| MPPT Voltage Range | 120-450Vdc |
| General Specifications | |
|---|---|
| Dimensions | 555*440*915mm |
| Protection Level | IP21 |
| Operating Temperature | -20-55℃ (>40℃ derated to 80%) |
| Humidity Range | 20%-95% non-condensing |
| Cooling Method | Built-in fan |
| Warranty | 2 years |
| Communication Interfaces | RS485/CAN/USB/Dry contact |
Why Choose Our 5.5KW Solar System?
The M4855P-LWD stackable energy storage system offers unparalleled flexibility and performance for your solar power needs. With its modular design, you can start with a single unit and expand your system as your energy requirements grow. The high-efficiency inverter and MPPT charger ensure you get the most from your solar panels, while the intelligent BMS protects your investment in battery storage.
Ideal for both off-grid and grid-tied applications, this 5.5 kilowatt solar system provides reliable power for homes, businesses, and remote installations. The pure sine wave output guarantees compatibility with all your sensitive electronics, from computers to medical equipment.
Applications
- Residential solar energy storage
- Commercial photovoltaic systems
- Hybrid solar installations
- Backup power solutions
- Off-grid power systems
- Remote area power supply







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