Solar off grid system:solar panel+hybird inverter(controller ,inverter)+battery
(other parts like PV array combiner,rack,cable can optional)
System Application:
1.Living house and home building;
2.Office building ,factory and warehouse
3.Shopping mall,venue,stadium and so on
4.Power station,field operation and some huge engineer construction
Technical parameters:
Technical parameters:
Backup time:
compangy profile
Longroad Electric Co.ltd founded in 2010, is located in the largest manufacturing base of low-voltage electric equipment of Liushi China, which is called "the Electric Device Metropolis of China". Longroad Electric specialized in the industrial electrical appliance, high-low voltage electrical equipment integrated with R&D, Manufacturing, International trade and service.
Longroad Electric Co,ltd regards quality of products as life,Longroad Electric Co.,ltd has been granted ISO9001 management system certifications. The comprehensive product line has more than 1000 models which have been approved by TUV, CE, CQC, SGS, ROHS,SASO. the products sells well to UK,Spain,Portugal,Singapore,Turkey,Russia, Korea,South Africa... more than 70 countries and regions.
Longroad Electric Co.ltd is always striving hard to provide the best services and competitve pricing to all customers.
Corporate Culture
Enterprise policy: market oriented; technology driven; quality for survival; brand for developmentBusiness philosophy: provide value for customers; seek development for employees; take responsibility for societyTalent view: the sea embraces all rivers and makes Jiaolong soar; the thousand boats compete to make the best of the worldQuality policy: people-oriented, pragmatic and innovative; pursuing quality and serving the marketEnterprise spirit: harmony, modesty, pragmatism and developmentCustomer service: think for customers; be responsible for customers; make customers satisfiedEnterprise goal: to build an electrical manufacturing enterprise
service Idea
"Integrity first, quality first" is the basic tenet of our company.Our quality policy is: installation specifications, timely maintenance. Abide by the contract, serve sincerely and meet the needs of customers. We know that product quality is the basic and key factor of enterprise competitiveness, and service is the extension of product quality and one of the important factors of enterprise competition. We are determined to treat our customers with "integrity":
1, All aspects of sincere service. That is, from the customer's electricity use report, engineering design, equipment procurement, installation and construction, equipment commissioning and acceptance, completion and power receiving to the test and detection during the future operation. We all provide all-round, whole process sincere service, try our best to meet the needs of customers.
2, High quality returns. We strictly follow the provisions and requirements of the contract terms and engineering design on the equipment, and provide qualified products that meet the requirements, so as to complete the engineering construction and installation tasks within the specified time limit with the installation technology level.
3, Active and stable aftercare service. We provide 24-hour emergency service after the project is powered on, that is, in case of abnormal operation of equipment or accident power failure, as long as the customer calls us, we will rush to the site immediately, remove the fault and resume power transmission.
(other parts like PV array combiner,rack,cable can optional)
System Application:
1.Living house and home building;
2.Office building ,factory and warehouse
3.Shopping mall,venue,stadium and so on
4.Power station,field operation and some huge engineer construction
Technical parameters:
Technical parameters:
| Name | Norms | Parameters | Quantity(pcs) |
| Solar panels with mono | Rated power | 250W | 10 |
| Open circuit current | 7.64A | ||
| Working current | 6.94A | ||
| Open circuit voltage | 42.48V | ||
| Working voltage | 36V | ||
| Battery | Maintenance free lead acid battery | 12V/250Ah | 4 |
| Solar charge controller with MPPT | Rated voltage | 48V | 1 |
| Discharge current | 40A | ||
| Charging resuming voltage | 53.2V | ||
| Battery overvoltage protection/resume | 66V/60V | ||
| Range of owe voltage disconnecting | 42.4V-46.4V | ||
| Range of resuming voltage | 48.8V-52.8V | ||
| Inverter | Rated output power | 5000W | 1 |
| Rated output voltage | 220V±10%,50±2Hz | ||
| Output wave | Pure sine wave | ||
| Rated input voltage | 48V | ||
| Low voltage alarm | 42±0.5V | ||
| Input | Mains | 220V | 1 |
| Output | inverter | 220V | 1 |
| Accessories | LED lighting | 3W | 2 |
| Lighting liner | 5M | 2 |
| Name | Norms | Quantity (pcs) | Backup time(hours) |
| 5HP Motor | 3750W | 1 | 3~5 hours |
| Fan | 30W-70W | 1 | 7~15 days |
| TV | 150W-240W | 1 | 3~5 days |
| Air Conditioner | 500W-750W | 1 | 15-27 hours |
| Refrigerator | 80W-120W | 1 | 8-10 days |
compangy profile
Longroad Electric Co.ltd founded in 2010, is located in the largest manufacturing base of low-voltage electric equipment of Liushi China, which is called "the Electric Device Metropolis of China". Longroad Electric specialized in the industrial electrical appliance, high-low voltage electrical equipment integrated with R&D, Manufacturing, International trade and service.
Longroad Electric Co,ltd regards quality of products as life,Longroad Electric Co.,ltd has been granted ISO9001 management system certifications. The comprehensive product line has more than 1000 models which have been approved by TUV, CE, CQC, SGS, ROHS,SASO. the products sells well to UK,Spain,Portugal,Singapore,Turkey,Russia, Korea,South Africa... more than 70 countries and regions.
Longroad Electric Co.ltd is always striving hard to provide the best services and competitve pricing to all customers.
Corporate Culture
Enterprise policy: market oriented; technology driven; quality for survival; brand for developmentBusiness philosophy: provide value for customers; seek development for employees; take responsibility for societyTalent view: the sea embraces all rivers and makes Jiaolong soar; the thousand boats compete to make the best of the worldQuality policy: people-oriented, pragmatic and innovative; pursuing quality and serving the marketEnterprise spirit: harmony, modesty, pragmatism and developmentCustomer service: think for customers; be responsible for customers; make customers satisfiedEnterprise goal: to build an electrical manufacturing enterprise
service Idea
"Integrity first, quality first" is the basic tenet of our company.Our quality policy is: installation specifications, timely maintenance. Abide by the contract, serve sincerely and meet the needs of customers. We know that product quality is the basic and key factor of enterprise competitiveness, and service is the extension of product quality and one of the important factors of enterprise competition. We are determined to treat our customers with "integrity":
1, All aspects of sincere service. That is, from the customer's electricity use report, engineering design, equipment procurement, installation and construction, equipment commissioning and acceptance, completion and power receiving to the test and detection during the future operation. We all provide all-round, whole process sincere service, try our best to meet the needs of customers.
2, High quality returns. We strictly follow the provisions and requirements of the contract terms and engineering design on the equipment, and provide qualified products that meet the requirements, so as to complete the engineering construction and installation tasks within the specified time limit with the installation technology level.
3, Active and stable aftercare service. We provide 24-hour emergency service after the project is powered on, that is, in case of abnormal operation of equipment or accident power failure, as long as the customer calls us, we will rush to the site immediately, remove the fault and resume power transmission.