faq

frequently asked questions

Who is Witroy?

Witroy is a professional manufacturer based in Shenzhen, specializing in the R&D and production of Portable Power Stations, Solar Inverters, and Solar Panels with a 9,000㎡ smart factory and over 200 skilled employees.

Is Witroy a direct factory or a trading company?

Witroy is a direct OEM/ODM manufacturer, offering end-to-end solutions from PCBA design, mold fabrication, SMT processing, to full product assembly.

Where is Witroy’s portable power station factory located?

Our factory is located in Shenzhen, China, equipped with fully automated production lines and a dedicated R&D laboratory.

Does Witroy offer OEM and ODM services for energy storage products?

Yes, we offer full OEM/ODM customization for Portable Power Stations, Solar Inverters, and Solar Panels, including design, firmware, packaging, and branding.

How long has the Witroy team been in the energy storage industry?

Although established in 2024, our core team has over 15 years of experience in power electronics, PCB manufacturing, and solar energy technology.

What battery types do Witroy portable power stations use?

We use high-quality lithium-ion and LiFePO4 battery cells for optimal safety, longevity, and performance.

What is the battery capacity range of Witroy’s portable power stations?

Our portable power stations range from 300Wh to over 5000Wh, covering personal, outdoor, emergency, and commercial needs.

Can I customize the form factor or features of a power station?

Yes, we support customized form factors, voltage ranges, power output options, and additional features like wireless charging or solar charging.

 

Do your portable power stations support solar charging?

Absolutely. All of our portable power stations are compatible with solar panel input and MPPT controllers for high-efficiency solar charging.

Are your power stations certified for international markets?

Yes, Witroy products meet CE, MSDS, RoHS, and CANS certification standards for global distribution.

What types of solar panels does Witroy produce?

We manufacture high-efficiency monocrystalline solar panels suitable for portable, residential, and off-grid applications.

 

What are Witroy’s capabilities in solar inverter production?

Our inverters include pure sine wave inverters, hybrid inverters, and off-grid solar inverters with smart energy management features.

 

Can Witroy supply complete solar power systems?

Yes, we provide complete solar energy kits including solar panels, inverters, batteries, and power control boards.

What is the minimum order quantity (MOQ)?

MOQ varies depending on the product type but generally starts from 100 units for customized products.

What is the lead time for manufacturing portable power stations?

Lead time ranges from 15–35 days depending on order complexity, customization, and production volume.

Does Witroy provide global logistics and shipping services?

Yes, we support global logistics, including air freight, sea freight, and door-to-door delivery through reliable carriers.

What after-sales service does Witroy offer?

We offer a comprehensive warranty, technical support, and spare parts services for all of our energy products.

Can I visit Witroy's factory for inspection?

Yes, factory visits are welcome. We also support third-party inspections and video tours for overseas clients.

What testing equipment does Witroy use?

Our lab includes an AAA-class solar simulator, Arbin battery testing system, IP67 waterproof test chambers, and high-temperature aging rooms to ensure top product reliability.

 

Are Witroy’s products compliant with international quality standards?

Yes, all products are tested under strict quality control processes and certified according to international standards like CE, MSDS, and CANS.