Find answers to common questions about our solar power supply systems, watch product videos, and download datasheets, installation manuals and engineering drawings — everything you need to plan and run your project.
We’ve compiled the most common questions about working with Pangbeijie, including customization, pricing, MOQ, samples, payment, delivery, warranty and after-sales service.
Yes. Pangbeijie provides customized solar power supply solutions for different project requirements and operating environments.
Depending on your application, customization may include solar panel capacity, battery capacity, output voltage, system configuration, mounting structure, and cable connections.
To help us recommend a suitable solution, please share your application, power consumption, operating environment, and estimated project quantity. Our team can then evaluate your requirements and discuss a suitable system configuration.
Pangbeijie welcomes OEM and ODM inquiries for solar power supply systems.
OEM cooperation may include product branding, logo customization, and other agreed product specifications. ODM services, where applicable, depend on the project’s technical requirements, design scope, and development feasibility.
Please share your product requirements, branding needs, target market, and estimated order quantity. Our team will review your request and confirm the available customization options and cooperation terms.
Yes. Pangbeijie welcomes inquiries from overseas distributors, system integrators, engineering contractors, and project procurement teams seeking solar power supply solutions.
We can discuss product configurations, project requirements, and supply arrangements based on your target market and business needs.
If you are interested in becoming a distributor or sourcing solar power supply systems for a project, please introduce your company, target market, application requirements, and estimated purchasing volume. This will help us evaluate the opportunity and discuss suitable cooperation options.
To receive a quotation for a solar power supply system, please share the following information:
Application: CCTV cameras, remote monitoring equipment, IoT devices, or other applications.
Power requirements: Equipment power consumption, operating voltage, and daily operating hours.
System configuration: Solar panel, battery, and other technical requirements, if known.
Installation environment: Location, climate conditions, and mounting requirements.
Order details: Estimated quantity, destination country, and customization requirements.
If you are unsure which configuration you need, simply describe your application and equipment specifications. Our team can review your requirements and discuss a suitable solution.
The minimum order quantity (MOQ) for Pangbeijie solar power supply systems may vary depending on the product model, system configuration, and customization requirements.
Standard configurations and customized solutions may have different MOQ requirements. For project-based orders, the quantity and supply arrangements can be evaluated according to the specific requirements.
Please provide the product model, required configuration, and estimated order quantity. Our team will confirm the applicable MOQ and quotation details for your inquiry.
Sample orders may be available for selected Pangbeijie solar power supply systems, subject to product availability and configuration requirements.
Before arranging a sample, we can confirm the product model, technical specifications, sample price, shipping cost, and estimated delivery time. Customized samples may require additional preparation time or costs.
If you are evaluating a product for distribution, integration, or a larger project, please share your application requirements and destination country. Our team will confirm the available sample options and the applicable terms.
Pangbeijie’s accepted payment methods and payment terms are confirmed according to the order, destination market, and applicable business arrangements.
Before placing an order, buyers will receive confirmation of the agreed payment method, payment schedule, and other applicable terms in the quotation or proforma invoice.
For customized systems or project-based orders, please discuss the payment arrangements with our sales team before confirming the order.
The production lead time for Pangbeijie solar power supply systems depends on the product model, order quantity, component availability, and customization requirements.
Standard configurations and customized systems may require different production times. For project orders, the lead time will be evaluated according to the confirmed specifications and order requirements.
Before order confirmation, our team will communicate the estimated production schedule. The confirmed lead time will be provided based on the specific order.
For an accurate estimate, please share your required product model, configuration, and estimated order quantity.
Pangbeijie welcomes international inquiries for solar power supply systems and can discuss shipping arrangements according to the destination country, order size, product configuration, and delivery requirements.
Depending on the shipment, available transportation options may include sea freight, air freight, or other suitable shipping methods.
For systems containing lithium batteries, transportation arrangements must also comply with applicable dangerous goods regulations and carrier requirements.
To help us evaluate your shipment, please provide your destination country, delivery address or port, order quantity, and product configuration. Our team can then discuss the available shipping options, estimated transit time, and applicable shipping costs.
Yes. Pangbeijie welcomes inquiries from overseas customers seeking solar power supply systems for engineering projects, remote monitoring installations, and other off-grid applications.
To evaluate a project, we may review the equipment power consumption, required operating hours, installation environment, power supply requirements, and estimated system quantity.
Based on the information provided and our technical capabilities, we can discuss suitable product configurations and supply arrangements.
For project inquiries, please share your application details, technical specifications, target country, and estimated quantity. Our team will review your requirements and advise on the next steps.
The warranty period for Pangbeijie solar power supply systems depends on the product model, components, and applicable warranty terms.
Different components, such as solar panels, batteries, controllers, and other electrical parts, may have different warranty periods and coverage conditions.
Before placing an order, please refer to the applicable product warranty terms or contact our sales team for confirmation.
If you have a specific product model in mind, please provide the model number so we can help you confirm the relevant warranty information.
Pangbeijie can provide technical support according to the product purchased and the agreed service scope.
Depending on the product and project requirements, support may include product documentation, installation guidance, system configuration assistance, and troubleshooting.
For products with remote monitoring or control capabilities, additional support may be available depending on the system configuration, software functions, and agreed service arrangements.
If you need technical assistance, please provide the product model, a description of the issue, and relevant photos or system information where applicable. Our team can review the details and advise on the next steps.
Yes. You can contact our team to request product catalogs and technical datasheets for our solar power supply systems. Available documentation may include product specifications, dimensions, configuration options, and installation requirements, depending on the model. Visit our Downloads page for publicly available files, or contact us if you need documentation for a specific product or project.
We welcome inquiries from distributors, system integrators, contractors, and project buyers interested in solar power supply solutions. To explore a potential partnership, please introduce your company, target market, intended applications, and estimated purchasing requirements. Our team can then discuss suitable products, customization needs, pricing, and possible cooperation terms based on your business objectives.
Contact us through our Contact Us page or Request a Quote form to discuss your solar power supply project. To help us understand your requirements, please include the application, installation location, connected equipment and power consumption, preferred configuration, and estimated quantity. Our team can review the information and follow up on product selection, technical requirements, and quotation details.
Choosing the right solar power supply system starts with understanding your equipment and operating requirements. Consider the total power consumption, daily operating hours, local sunlight conditions, required backup time, and installation environment. You should also confirm the equipment’s input voltage, startup power, and any special communication or connectivity requirements. Based on these details, a suitable solar panel, battery, and power management configuration can be evaluated for your application. For project-specific recommendations, share your equipment list and location with our team.
To estimate your power requirements, multiply each device’s rated power in watts (W) by its daily operating time in hours. Add the results for all connected devices to calculate daily energy consumption in watt-hours (Wh). For example, a 10 W device operating for 24 hours uses 240 Wh per day, before accounting for system losses. Also consider startup surges, standby consumption, and any equipment that operates intermittently. These figures help determine the required solar panel capacity, battery storage, and power output.
To evaluate an off-grid solar power system, please provide your application, installation location, connected equipment, rated power, daily operating hours, and required backup duration. It is also helpful to specify the equipment’s input voltage, installation space, mounting conditions, and expected operating temperatures. If the system will be used for CCTV cameras or wireless communication devices, include their power requirements and connectivity details. With this information, our team can assess the system configuration and identify any additional technical requirements before recommending a solution.
Yes, a solar power system can supply multiple devices when it is designed to support their combined power consumption and electrical requirements. Before connecting multiple devices, check the system’s rated output power, available output ports, voltage compatibility, and the total continuous and startup loads. The battery and solar panel capacity must also support the expected operating schedule. Do not exceed the system’s specified limits. For CCTV and wireless communication projects, provide a list of connected devices so the configuration can be checked for compatibility.
Solar panel capacity depends on daily energy consumption, local peak sun hours, and system losses. As a preliminary estimate, divide the daily energy requirement (Wh) by the site’s average peak sun hours per day, then allow for losses caused by temperature, shading, panel orientation, wiring, and power conversion. For example, a site with limited sunlight may require more panel capacity than a site with stronger solar resources. This calculation is an initial estimate, not a guarantee of year-round performance. Final sizing should account for seasonal sunlight and the required battery recharge time.
The operating time without sunlight depends mainly on the battery’s usable energy and the connected equipment’s actual power consumption. A preliminary estimate is to divide usable battery energy in watt-hours (Wh) by the average load in watts (W). For example, 600 Wh of usable battery energy can theoretically support a 20 W load for 30 hours, before accounting for conversion losses and other system limits. Actual runtime may be shorter because of battery protection settings, temperature, battery aging, and load fluctuations. System sizing should also consider the expected number of low-sunlight days.
Yes, solar panels can generate electricity in cloudy weather, but their output is generally lower than under strong, direct sunlight. During periods of reduced solar generation, a system with battery storage may continue powering connected equipment if sufficient usable energy remains. Runtime depends on the weather, panel capacity, battery charge level, and equipment load. Extended cloudy or rainy periods may reduce backup duration or require load management. For critical applications such as remote CCTV monitoring, system sizing should reflect local weather patterns and the required operating continuity.
The suitable battery depends on the system design, required backup time, operating temperature, expected cycle life, maintenance requirements, and budget. Battery chemistry alone does not determine compatibility; the battery’s nominal voltage, usable capacity, charging limits, and compatibility with the charge controller or battery management system must also be checked. For solar monitoring applications, consider how long the equipment must operate overnight and during periods of limited sunlight. Please confirm the supported battery types and charging specifications for the selected model before making a final choice.
Available output voltages depend on the specific solar power supply system model and its configuration. Before selecting a system, confirm the connected equipment’s required input voltage, acceptable voltage range, current demand, connector type, and polarity. Do not assume that every model supports the same voltage options. Please refer to the technical datasheet for the selected model or contact our team with your equipment specifications to verify compatibility.
Solar power supply systems can be considered for remote CCTV cameras and wireless communication devices when their electrical and environmental requirements match the selected configuration. Compatibility depends on the devices’ input voltage, continuous power consumption, startup demand, connector requirements, and operating schedule. Wireless routers, radios, and other communication equipment may have different power and interface requirements. Please provide the device models or datasheets so the required power capacity and compatible output configuration can be evaluated before ordering.
If the connected equipment draws more power than the system is rated for, the system may enter overload protection, shut down its output, or fail to start the equipment reliably. Continuous loads should stay within the rated output power, and startup surges from motors, compressors or cameras with heaters should be checked against the system’s peak capability.
Do not remove fuses or bypass protection devices to force operation. If the total load is higher than the selected model can support, choose a larger system or split the loads across two systems.
Share your equipment list, rated power and duty cycle with our team. We will review the configuration before you place the order.
Remote monitoring allows users to check selected system information from a remote location through a supported communication connection and monitoring platform. Depending on the system design, available data may include battery status, charging conditions, power output, or fault alerts. The information that can be monitored depends on the installed hardware, sensors, communication interfaces, and software. Remote monitoring is not automatically included in every solar power supply system. Please confirm the supported monitoring functions and required accessories for the selected model.
Remote monitoring lets users view system status and available operating data, while remote control allows authorized users to send commands to supported devices or functions. Monitoring does not necessarily mean that a system can be controlled remotely. Remote control requires compatible hardware, communication interfaces, software, and appropriate access permissions. The available functions vary by model and configuration. Before planning a project, confirm whether you need status reporting only or functions such as remote switching, configuration changes, or device control.
The available communication method depends on the system model, monitoring hardware, and project environment. Depending on the selected configuration, a project may use a supported wired or wireless connection, such as Ethernet, cellular communication, Wi-Fi, or an industrial communication interface. These options are examples of common technologies, not a guarantee that every option is supported by every PbjieSolar model. Before installation, confirm network coverage, interface compatibility, data requirements, and any additional hardware or service costs.
Before installation, assess sunlight exposure, potential shading, mounting stability, cable routing, drainage, ventilation, and access for maintenance. Follow the product’s installation manual for mounting, wiring, grounding, electrical protection, and environmental limits. Ensure that the solar panel orientation and installation angle are suitable for the site, and that all connected equipment matches the system’s electrical specifications. Outdoor installations should also account for wind, rain, dust, and temperature. Installation requirements vary by model, so consult the applicable manual and use qualified personnel where required.
Temperature suitability depends on the specifications of the selected system and its individual components, including the battery, controller, and enclosure. High or low temperatures can affect battery performance, charging behavior, available capacity, and component service life. Check the specified operating and storage temperature ranges for the exact model, and distinguish between the limits for the complete system and those for individual components. If the project will operate in an extreme climate, provide the expected temperature range so the configuration can be reviewed before installation.
For outdoor installations, consider the system’s exposure to rain, dust, humidity, wind-driven water, and other site conditions. The appropriate ingress protection (IP) rating depends on the installation environment and the protection required for each enclosure or component. Do not assume that an outdoor product is waterproof or that the rating of one component applies to the entire assembled system. Check the official datasheet for the specified IP rating and any installation restrictions. Additional protection may be needed for connectors, cable entries, or exposed equipment.
Routine maintenance helps support reliable system operation. Follow the product manual and, where safe, periodically check the solar panel for dirt or shading, inspect visible cables and connectors for damage, and look for signs of water ingress, corrosion, or loose mounting hardware. Review available system alerts and battery status if monitoring functions are provided. Cleaning, inspection intervals, and battery maintenance requirements depend on the model and environment. Disconnecting electrical components or performing repairs should only be done according to the manufacturer’s instructions by qualified personnel.
If the system is not supplying power, begin with basic checks permitted by the product manual. Confirm that the connected equipment is switched on, visible cables and connectors are secure, and the battery or system indicators show a normal status. Check whether an overload, low-battery condition, or protective shutdown may have occurred. Solar generation may also be insufficient after extended periods of poor sunlight. Do not open energized enclosures or bypass protection devices. If the issue continues, record the model number and indicator status, then contact technical support for further diagnosis.
A battery may not charge properly because of insufficient solar input, shading, loose or damaged connections, incompatible charging settings, temperature limits, or a battery protection state. Battery aging or a fault in the charging controller may also be involved. Start by checking the system indicators and following the troubleshooting instructions in the product manual. Do not change charging parameters or open electrical components unless the manufacturer specifically permits it. If charging remains abnormal, provide the system model, battery type, recent operating conditions, and any error indicators to technical support.
