Home Solar & Backup
Stable solar and backup power for essential household loads.
SOLAR INVERTERS
1kW–12kW Heavy-Duty Off-Grid Solar Inverter
Unleash the potential of solar power and take control of your energy needs. Whether you're off-grid or simply want to reduce your reliance on the grid, our Heavy-Duty Off-Grid Solar Inverter with MPPT Charge Controller is your reliable and sustainable energy companion.
Product Details
FAQ
Q1: Can I have a sample/trial order for a test?
A: Yes, we accept sample order/trial order for you testing by 1 product or mixed solar products.
Q2: When will you deliver the goods?
A: 3-5 working days for sample order; 7-15 working days for quantity order after receiving the deposit payment.
Q3: Do you offer a guarantee for your solar products?
A: Yes, 18 months for inverter and inverter related products including solar generator, solar inverter. 2 years for solar lights.
Q4: Can you do OEM/ODM?
A: Yes, we accept OEM/ODM orders for inverter, solar inverter, MPPT solar controllers, solar generator and solar lights.
Please send you detailed request to our sales specialist for best quote.
Available Models
| Specification | WPS-1KW | WPS-1.5KW | WPS-2KW | WPS-3KW | WPS-4KW | WPS-5KW | WPS-6KW | WPS-8KW | WPS-10KW | WPS-12KW |
|---|---|---|---|---|---|---|---|---|---|---|
| DC Voltage | 12V/24V/48V | 12V/24V/48V | 12V/24V/48V | 24V/48V | 24V/48V | 48V/96V | 48V/96V | 48V/96V | 48V/96V | 48V/96V |
| Rated Power | 1KW | 1.5KW | 2KW | 3KW | 4KW | 5KW | 6KW | 8KW | 10KW | 12KW |
Technical Specifications
| Off-Grid Solar Inverter Technical Specifications · 1kW–12kW | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Model | WPS-1KW | WPS-1.5KW | WPS-2KW | WPS-3KW | WPS-4KW | WPS-5KW | WPS-6KW | WPS-8KW | WPS-10KW | WPS-12KW | |
| Default Battery System Voltage | 12V / 24V / 48VDC | 24V / 48VDC | 48V / 96VDC | ||||||||
| Inverter Output |
Rated Power | 1kW | 1.5kW | 2kW | 3kW | 4kW | 5kW | 6kW | 8kW | 10kW | 12kW |
| Surge Power (20ms) | 3kW | 4.5kW | 6kW | 9kW | 12kW | 15kW | 18kW | 24kW | 30kW | 36kW | |
| Electric Motor Starting Capacity | 0.5HP | 1HP | 1.5HP | 2HP | 3HP | ||||||
| Waveform | Pure sine wave output; same as AC input in AC mode | ||||||||||
| Nominal Output Voltage (RMS) | 110/120VAC or 220/230/240VAC (±10V RMS) | 220/230/240VAC (±10V RMS) | |||||||||
| Output Frequency | 50/60Hz ±0.3Hz | ||||||||||
| Inverter Efficiency | >85% | ||||||||||
| Line Mode Efficiency | >95% | ||||||||||
| Typical Transfer Time | 8ms maximum | ||||||||||
| Built-in AVR Stabilizer | 110/120VAC or 220/230/240VAC | 220/230/240VAC | - | ||||||||
| AC Input | Input Voltage | 110/120VAC or 220/230/240VAC | 220/230/240VAC | ||||||||
| Selectable Voltage Range | 110VAC: 85–138VAC | 220VAC: 170–275VAC | 220VAC: 180–260VAC | |||||||||
| Frequency Range | 50Hz: 45–65Hz | 60Hz: 55–65Hz | 50/60Hz, automatic sensing | ||||||||
| Battery | Battery Type | Lithium battery, lead-acid battery, gel battery or customized battery | |||||||||
| Low-Voltage Protection | 12V: 9.7–10.3VDC | 24V: 19.7–20.3VDC | 48V: 39.7–40.3VDC | 96V: 79.7–80.3VDC | ||||||||||
| Low-Voltage Cutoff | 12V: 10.2–10.8VDC | 24V: 20.7–21.3VDC | 48V: 41.7–42.3VDC | 96V: 83.7–84.3VDC | ||||||||||
| Overvoltage Alarm | 12V: 14.7–15.3VDC | 24V: 29.7–30.3VDC | 48V: 59.7–60.3VDC | 96V: 119.7–120.3VDC | ||||||||||
| Overvoltage Protection | 12V: 16.2–16.8VDC | 24V: 32.7–33.3VDC | 48V: 65.7–66.3VDC | 96V: 131.7–132.3VDC | ||||||||||
| AC Charger | Charge Current | 40A maximum; selectable settings: 0A / 10A / 20A / 30A / 40A | |||||||||
| Solar Charger |
Charging Type | MPPT | |||||||||
| Maximum Charge Current | 30A / 40A / 50A / 60A / 80A / 100A optional | 50A / 60A / 100A / 120A / 150A optional | |||||||||
| Maximum PV Input Voltage |
12V/24V (30A/40A): 90VDC |
12V/24V (50A–100A): 130VDC 48V (30A–150A): 160VDC | 96V (50A/60A): 180VDC | 96V (80A–150A): 280VDC |
||||||||||
| Maximum PV Input Power | 12V: 30A: 405W | 40A: 540W | 50A: 675W | 60A: 810W | 80A: 1080W | 100A: 1350W | ||||||||||
| 24V: 30A: 810W | 40A: 1080W | 50A: 1350W | 60A: 1620W | 80A: 2160W | 100A: 2700W | |||||||||||
|
48V:
30A: 1620W | 40A: 2160W | 50A: 2700W |
60A: 3240W | 80A: 4320W | 100A: 5400W 120A: 6480W | 150A: 8100W |
|||||||||||
| 96V: 50A: 5400W | 60A: 6480W | 80A: 8640W | 100A: 10800W | 120A: 12960W | 150A: 16200W | |||||||||||
| Protection | Temperature Protection | Alarm at ≥85°C; automatic inverter shutdown at ≥90°C | |||||||||
| Overload Protection | Automatic shutdown if the load exceeds 110% of rated power for 10 seconds | ||||||||||
| Short-Circuit Protection | Automatic shutdown | ||||||||||
| Other | Mounting | Wall-mounted | |||||||||
| Display | LCD + LED indicators | ||||||||||
| Cooling System | Intelligent cooling fan control: fast operation at ≥42°C; slow operation below 42°C | ||||||||||
| Audible Noise | <60dB | ||||||||||
| Communication | RS232, RS485; Wi-Fi optional | ||||||||||
| Operating Temperature | −10°C to 70°C | ||||||||||
| Storage Temperature | −10°C to 60°C | ||||||||||
| Appearance | Product Dimensions (L × W × H) | 510 × 295 × 225mm | 645 × 325 × 215mm | 765 × 320 × 250mm | |||||||
| Package Dimensions (L × W × H) | 560 × 380 × 280mm | 730 × 400 × 290mm | 850 × 405 × 320mm | ||||||||
| Net Weight | 14kg | 15kg | 18kg | 20kg | 31kg | 34kg | 35kg | 50kg | 52kg | 56kg | |
| Gross Weight | 16kg | 17kg | 20kg | 23kg | 34kg | 37kg | 39kg | 54kg | 56kg | 60kg | |
Specifications may vary according to battery voltage, charging-current option and customized AC configuration. Please confirm the final configuration before ordering.
How It Works
How the Off-Grid Inverter System Works
Solar energy is managed by the MPPT controller to charge the battery bank. The inverter converts stored DC energy into stable AC power for connected loads.
- Solar Panels
Generate DC solar energy - MPPT Controller
Optimizes charging from the PV array - Battery Bank
Stores energy for later use - AC Loads
Receive converted AC power
Utility / Generator
Optional backup input, subject to final configuration
Applications
Remote & Off-Grid Sites
Practical power for cabins, farms and locations with limited utility access.
Small Commercial Projects
Flexible power support for shops, offices and light commercial loads.
System Matching & Wholesale Support
| MOQ: Model-specific Sample and bulk-order quantity confirmed in quotation | OEM / ODM: Available Branding, configuration and packaging support |
| Lead Time: Order-specific Confirmed after model, quantity and customization review | Warranty: Model-specific Final warranty terms follow the approved quotation |
| Documents: On request Datasheet and available certification documents | Technical Support: Included Pre-sales selection and after-sales assistance |
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FAQ
The correct model depends on load power, battery-bank voltage, surge demand and operating time. Send us your load list and system requirement for model selection.
Yes. Branding, selected configurations and packaging customization can be discussed for qualified B2B orders.
MOQ and lead time depend on the selected model, quantity and customization. Please request a formal quotation.
Yes. Submit an inquiry with the required power, voltage and application, and our sales team will provide the matching technical document.
Yes. We can review your loads, battery voltage, PV array and backup requirements before recommending a configuration.
Get Wholesale Price for 1kW–12kW Heavy-Duty Off-Grid Solar Inverter
Get an exclusive wholesale quotation with your order details. Our team will respond within 24 hours.