1. Introduction
This manual provides detailed instructions for the safe and efficient operation, installation, and maintenance of your SGPWOSAY 5000W DC 48V Pure Sine Wave Solar Inverter and 100Ah LiFePO4 Battery Kit. Please read this manual thoroughly before installation and use to ensure optimal performance and longevity of the system.
The SGPWOSAY system is an all-in-one solution designed for reliable power conversion and storage, featuring a 5000W pure sine wave inverter, a 100A MPPT solar charge controller, and a 40A AC battery charger, paired with a high-capacity 48V 100Ah LiFePO4 battery.
2. What's in the Box
Upon unpacking, please verify that all components listed below are present and undamaged. If any items are missing or damaged, contact your supplier immediately.
- 1x SGPWOSAY 5000W Solar Inverter (Model SPH5048P)
- 1x SGPWOSAY 48V 100Ah LiFePO4 Battery (Model SG48100P)
- 1x User Manual for Inverter
- 1x User Manual for Battery
- 1x Warranty Card
- 1x DB15 Parallel communication line
- 1x Current sharing line
- Screws for mounting
- Positive and negative output lines for battery
- RS485 cascade communication line for battery
- RS485 USB/RS232 USB (optional)
- Hanging ear screw for battery
- Dry contact terminal for battery
Image 2.1: Contents of the SGPWOSAY 5000W Solar Inverter package, including the inverter, user manual, warranty card, DB15 parallel communication line, current sharing line, and mounting screws.
Image 2.2: Contents of the SGPWOSAY 48V 100Ah LiFePO4 Battery package, showing the battery, user manual, positive and negative output lines, RS485 cascade communication line, optional RS485/RS232 USB cables, hanging ear screws, and dry contact terminal.
3. Product Overview
The SGPWOSAY 5000W Solar Inverter is an integrated power solution combining a pure sine wave inverter, MPPT solar charger, and AC battery charger. It is designed to provide uninterruptible power support for various applications.
Image 3.1: Visual representation of the SGPWOSAY all-in-one solar MPPT inverter charger, highlighting its 5KW 48V pure sine wave inverter, 100A MPPT solar charge controller, and 40A combined battery charger functionalities.
The accompanying SGPWOSAY 48V 100Ah LiFePO4 Battery features Grade A automotive battery cells, a 100A BMS with equalization function, and supports up to 32 units in parallel connection. It offers over 7000 deep cycles at 0.5C 80% DOD, ensuring a long lifespan.
Image 3.2: The SGPWOSAY 48V 100Ah server rack LiFePO4 lithium battery, detailing its 100A BMS, 5.12KWH energy capacity, maximum 5.12KW load power, support for up to 32 parallel connections, and over 7000 deep cycles.
3.3 Key Product Features
- 5000W Pure Sine Wave Inverter: Equipped with a 100A battery charger, supporting PV MAX 5500W and 500V input.
- Battery Compatibility: Works with various batteries, featuring RS485 port communication with Lithium Battery BMS.
- Stable AC Output: Provides 120V output with 50Hz/60Hz switchable frequency.
- Parallel Capability: Supports parallel connection of up to 6 units for up to 30KW, enabling 120V Single Phase, 120V/240V Split Phase, and 208V Three Phase configurations.
- Uninterruptible Power Supply (UPS): The inverter takes over from the battery supply to the alternative option within 10ms.
- Batteryless Operation: The inverter can power loads directly from the PV array or AC grid without a battery connected.
- Power Saving Mode: Reduces no-load loss.
- Auto-start Generator: Features dry contacts for delivering a signal to auto-start a generator.
- Lithium Battery Activation: Lithium batteries can be activated by PV solar or mains power, allowing access for both lead-acid and lithium batteries.
Image 3.3: An overview of the SGPWOSAY system's key features, including its 5000W pure sine wave inverter, battery compatibility, 120V AC output, parallel capabilities, UPS function, batteryless operation, power saving mode, auto-start generator function, and lithium battery activation.
4. Setup and Installation
4.1 Safety Precautions
- Ensure all power sources are disconnected before installation.
- Installation should be performed by qualified personnel.
- Wear appropriate personal protective equipment (PPE).
- Mount the inverter and battery in a well-ventilated area, away from flammable materials and direct sunlight.
4.2 System Connection Diagram
The system can be configured to draw power from solar panels, utility grid, or a generator, and supply power to household appliances while charging the battery.
Image 4.1: A diagram illustrating the system connection, showing how solar charging, utility power, and a generator can feed into the inverter, which then powers home appliances and charges the battery. The battery also provides AC output.
4.3 Parallel Operation
The inverter supports parallel operation of up to 6 units, allowing for increased power output and surge capacity. This enables configurations for 120V single phase, 120V/240V split phase, and 208V 3-phase systems.
Image 4.2: Diagrams illustrating various parallel operation configurations for the SGPWOSAY inverter: single phase (up to 6 units), three phase (one inverter per phase, up to 6 units), and split phase (three inverters per phase, up to 6 units total).
4.4 Battery Connections
Connect the battery to the inverter using the provided positive and negative output lines. Ensure correct polarity. The battery also features various communication ports for advanced monitoring and control.
Image 4.3: Detailed view of the SGPWOSAY battery's connection ports, including battery negative and positive terminals, breaker, DIP switch, load output port, LCD display, function buttons, RS485, RS232, and CAN communication ports, and capacity status lights.
5. Operating Instructions
5.1 LCD Display and Controls
The inverter features a dynamic LCD display and intelligent LEDs that provide real-time system information, including input/output data and potential error indicators.
Image 5.1: Close-up of the SGPWOSAY inverter's LCD display, showing dynamic system information, input/output details, error identification, and overall system status at a glance.
5.2 Charging Modes
The inverter offers user-configurable AC/Solar charging modes to optimize power input based on availability and preference.
- Only Solar Charging: Prioritizes solar power for battery charging.
- PV Priority: Solar power is the primary source for charging, with utility as backup.
- Utility Priority: Utility power is the primary source for charging, with solar as backup.
- Hybrid Charging: Combines solar and utility power for charging.
5.3 Load Output Working Modes
The system can operate in different load output modes to manage power delivery to connected appliances.
- PV Priority: Solar power is the primary source for loads.
- Utility Priority: Utility power is the primary source for loads.
- Inverter Mode: The inverter supplies power from the battery to the loads.
Image 5.2: Visual representation of the SGPWOSAY inverter's four charging modes (Only Solar Charging, PV Priority, Utility Priority, Hybrid Charging) and three load output working modes (PV Priority, Utility Priority, Inverter Mode).
5.4 Battery Activation
When the lithium battery is dormant, both mains power and photovoltaics can activate the battery via the inverter, ensuring continuous operation.
6. Maintenance
Regular maintenance ensures the longevity and optimal performance of your solar inverter and battery system.
- Cleaning: Keep the inverter and battery free from dust and debris. Use a dry, soft cloth for cleaning. Do not use liquid cleaners.
- Ventilation: Ensure adequate airflow around the inverter to prevent overheating. Regularly check that cooling fans are not obstructed.
- Connections: Periodically inspect all electrical connections for tightness and signs of corrosion. Loose connections can lead to power loss or system malfunction.
- Battery Health: Monitor the battery's state of charge and overall health via the LCD display or communication interface. Avoid deep discharges to prolong battery life.
- Firmware Updates: Check the manufacturer's website for any available firmware updates for the inverter or battery management system (BMS).
7. Troubleshooting
This section provides guidance on common issues you might encounter. For problems not listed here, please contact technical support.
| Problem | Possible Cause | Solution |
|---|---|---|
| No power output from inverter | Battery discharged, inverter off, circuit breaker tripped, loose connections. | Check battery charge, ensure inverter is on, reset breakers, inspect connections. |
| Battery not charging | Solar panels not producing power, AC input absent, charging mode incorrect, faulty connections. | Verify solar input, check AC grid connection, confirm charging mode settings, inspect wiring. |
| Inverter displaying error code | Overload, over-temperature, battery voltage out of range, internal fault. | Refer to the inverter's specific user manual for error code definitions and solutions. Reduce load, ensure ventilation, check battery voltage. |
| Reduced battery capacity/lifespan | Frequent deep discharges, high operating temperatures, improper charging. | Optimize charging cycles, ensure proper ventilation, avoid consistently draining the battery to very low levels. |
8. Specifications
8.1 SGPWOSAY 5000W 48V Pure Sine Wave Solar Inverter (SPH5048P)
| Feature | Specification |
|---|---|
| Rated Output Power | 5000W |
| Permitted Parallel Number | 1-6 units |
| Output Waveform | Pure Sine Wave |
| Rated Output Voltage (AC) | 120Vac (100V/105V/110V Settable) |
| Peak Power | 10000VA |
| Loaded Motor Capacity | 4HP |
| Specification of Bypass Breaker | 63A |
| Rated Battery Input Voltage | 48V (minimum start voltage 44V) |
| Power Saving Mode | Load ≤50W |
| Communication Interface | USB/RS485 (WIFI/GPRS)/dry node control |
| Dimensions (L*W*D) | 17.3" x 13.8" x 5.1" |
| Weight | 28 LB |
Image 8.1: Table summarizing the key specifications of the SGPWOSAY 5000W 48V Pure Sine Wave Solar Inverter, including power output, parallel capability, voltage, dimensions, and weight.
Image 8.2: Diagram showing the dimensions (17.3in x 13.8in x 5.1in) and various ports of the SGPWOSAY 5000W solar inverter, including DC input, AC input/output, and communication ports.
8.2 SGPWOSAY 48V 100Ah Server Rack LiFePO4 Lithium Battery (SG48100P)
| Feature | Specification |
|---|---|
| Nominal Voltage | 51.2V |
| Nominal Capacity | 100Ah |
| Energy | 5.12KWH |
| Charge Cut-off Current | 5A |
| MAX Continuous Charge Current | 100A |
| Discharge Cut-off Voltage | 43.2V |
| Cycle Life | ≥7000 cycles |
| Communication Protocol | RS232/RS485/CAN (Supports multiple protocols) |
| Storage Temperature | 14 to 113°F (-10 to +45°C) |
| Dimensions | 19.3" x 18.9" x 5.5" |
| Weight | 93 LB |
Image 8.3: Table summarizing the key specifications of the SGPWOSAY 48V 100Ah Server Rack LiFePO4 Lithium Battery, including nominal voltage, capacity, energy, charge/discharge currents, cycle life, communication protocols, storage temperature, dimensions, and weight.
Image 8.4: Diagram showing the dimensions (19.3in x 18.9in x 5.5in) and net weight (93 lbs) of the SGPWOSAY 48V 100Ah LiFePO4 battery, along with its included accessories.
9. Warranty Information
SGPWOSAY products are manufactured to high-quality standards and are covered by a limited warranty against defects in materials and workmanship. The specific terms and duration of the warranty are detailed in the warranty card included with your product. Please retain your proof of purchase for warranty claims.
For warranty service, please contact SGPWOSAY customer support with your product model number and purchase details.
10. Customer Support
For technical assistance, troubleshooting, or any questions regarding your SGPWOSAY 5000W DC 48V Pure Sine Wave Solar Inverter and 100Ah LiFePO4 Battery Kit, please refer to the contact information provided on the warranty card or visit the official SGPWOSAY website.
When contacting support, please have your product model number (SPH5048P for inverter, SG48100P for battery) and serial number readily available to expedite service.
