| After-sales Service: | Online Service, Installation Guidance |
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| Warranty: | 2 Years Warranty |
| Nature of Source Flow: | Active Inverter |
| Samples: |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Suppliers with verified business licenses
Audited Supplier
| Model type | OLU5548MAXII | OLU8048MAXII | OLU11048MAXII | |
| Rated power | 5.5KVA/5.5KW | 8KVA/8KW | 11KVA/11KW | |
| On grid function | / | Max can be 6 sets | ||
| Output | Voltage (battery model) |
Single phase 220Vac/230Vac,±5% | Single phase 230Vac,±5% |
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| efficiency(peak) | 93% | 93% | ||
| Transfer time | 10ms(PC); 20ms(House hold) | |||
| wave | Pure sine wave | |||
| Battery | Battery voltage | 48Vdc | 48Vdc | |
| Float voltage | 54Vdc | 54Vdc | ||
| Over voltage protect | 63Vdc | 66Vdc | ||
| Solar charge | Max input power | 6KW | 8KW(4KW*2) | 11KW(5.5KW*2) |
| MPP range@working voltage | 120~450Vdc | 90~450Vdc | ||
| Max input voltage | 500Vdc | 500Vdc | ||
| Max input current | 18A/100A | 18A*2 | 18A*2 | |
| Max charge current | 100A | 150A | 150A | |
| AC charger | AC input voltage | 230Vac | 230Vdc | |
| Voltage range | 90~280Vac(House hold)/170~280Vac(PC) | 90~280Vac(House hold)/170~280Vac(PC) | ||
| Frequency range | 50Hz/60Hz(adjust) | 50Hz/60Hz(adjust) | ||
| Basic | Size | 507*301*110mm | 531*504*158mm | |
| Weight (kg) | 10 | 19 | 21 | |
| Communication port | RS485/CAN/ Dry contact | |||
| Environment | Working temp. | -20ºC~+50ºC | ||
| Storage temp. | -30ºC~+70ºC | |||
| Humidity | 5%~95% Relative humidity (non condensing) |
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| Protect level | IP20 | |||
We get CE certificate, UN38.3 Test report, and safety transport approval.
Nanjing Oulu Electric Co., Ltd. (Stock Code:871415) was established in 1996 and began to manufacture small and medium sized wind turbine generators in early 2007.
With a coverage of 35000m2 manufacturing plant, Oulu has the capacity to produce wind solar power system of 100W, 200W, 300W, 400W, 500W, 600W, 1000W, 2000W, 3000W, 5000W, 10kW, 20kW, and 30kW. After 25 years of development, our product series have been expanded into wind turbine generator, charge controller, integrated machine of wind and solar power system, servo motor and servo driver, which are widely used in residential, commercial and industrial applications.
Our products have been exported to Europe, America, the Middle East and Southeast Asia and many other countries and regions. We enjoy a high reputation and very good feedback from customers.
Oulu focuses on top quality control and one-stop customer service. Oulu has passed ISO9001 international management system certificate and CE certification. We also offer components for companies in the same field.
1. Are you factory?
Yes, we are factory, and we produce solar inverter , storage battery for more then 13 years in China.
2. How to select models?
Before purchasing, please contact us to confirm model No. and specifications to avoid any misunderstanding.
3. How do you ship the goods?
We normally ship goods by sea ,by express(DHL/UPS/FEDEX/EMS), and by air, also accept customer appointed.
4. Can I test sample?
Yes, sample charged can be offered for testing.
5. Can we be agent or distributor?
Yes, welcome and we will support you.
6. Can you do OEM or ODM service?
Yes, we have R&D department and accept OEM and ODM service.
7. How about warranty?
18 MONTHS warranty, technical support available, we always try our best to help customers to solve problems
Suppliers with verified business licenses
Audited Supplier 
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