# VTOMAN VS400 Portable Solar Panel 400W 25% Efficiency IP67 Topcorn Cells

**URL:** https://aio.lv/en/product--vtoman-vs400--12730058
**Data updated:** 2026-10-18 23:22 (EEST)
**Category:** Solar Panels
**Manufacturer:** VTOMAN
**Manufacturer code:** VS400
**EAN:** 6979127740257
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 545.49 €
**Prices and availability valid until:** 2026-11-23 23:59
**Price without VAT (21%):** 450.82 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--vtoman-vs400--12730058

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.11.2026 | free |
| Courier delivery to door | 12.11.2026 | 14.23 EUR |

## Summary description

The VTOMAN VS400 is a foldable 400W portable solar panel featuring Topcorn cells with 25% efficiency, IP67 protection, and multiple connectors including MC-4, Anderson, XT60, XT90, and DC5521. Designed for outdoor use, travel, and compatibility with power stations, it includes adjustable supports and integrated handles.

## Long description

The VTOMAN VS400 Portable Solar Panel 400W 25% Efficiency IP67 Topcorn Cells is a high-capacity, foldable energy solution designed for outdoor activities, travel, and off-grid power supply. Utilizing advanced Topcorn cell technology, this solar panel achieves an impressive 25% conversion efficiency, translating sunlight into usable electricity with high reliability. Engineered for versatility, it comes equipped with multiple connector options including MC-4, Anderson, XT60, XT90, and DC5521 via a 4-in-1 adapter cable. Its robust IP67 protection rating ensures resistance against dust and water splashes, making it suitable for demanding outdoor environments. With integrated handles, adjustable support legs, and metal eyelets, setting up and transporting the unit is straightforward regardless of the location.
Advantages
The VTOMAN VS400 stands out due to its high peak power output of 400 W and superior conversion efficiency of 25%, which allows for faster charging times of compatible energy storage devices. The integration of durable Topcorn cells guarantees stable energy generation even under varying environmental conditions. Its wide connectivity options eliminate the need for specialized third-party adapters when pairing with different power stations or battery types such as sealed lead-acid, gel, and open-type lead-acid batteries. The physical design prioritizes user convenience through integrated carrying handles, an integrated storage bag for cables, and adjustable legs that simplify the angle positioning for optimal sun exposure. Furthermore, the IP67 waterproof rating enhances long-term operational durability during camping or emergency use.
Suitable for
Charging portable power stations from VTOMAN and other compatible brands
Outdoor camping, overlanding, and RV trips
Emergency backup power supply during grid outages
Powering off-grid living setups and remote workstations
Charging sealed lead-acid, gel, and open-type lead-acid batteries
When it may not be suitable
This portable solar panel may not be suitable for permanent, fixed rooftop installations where rigid glass panels are typically preferred for long-term structural mounting. Due to its physical dimensions and weight of 37.5 lb, it might also be less convenient for users seeking ultra-lightweight, highly compact backpacking solutions for hiking on foot.
Key specifications
Peak Power: 400 W
Conversion Efficiency: 25%
Cell Type: Topcorn
Operating Voltage: 43 V
Operating Current: 9.3 A
Open-Circuit Voltage: 50.2 V
Short-Circuit Current: 9.8 A
Protection Rating: IP67
Net Weight: 37.5 lb
Foldable Dimensions: 656 x 970 x 50 mm
Unfolded Dimensions: 2443 x 970 x 4 mm
Compatible Connectors: MC-4, Anderson, XT60, XT90, DC5521
How to use
To begin generating solar energy, unfold the panel on a stable, flat surface in an area receiving direct sunlight. Unfold the integrated support legs and adjust the angle of the panel to face the sun perpendicularly for maximum energy absorption. Alternatively, use the integrated metal eyelets to hang the panel vertically on a balcony or the side of an RV if ground space is limited. Retrieve the appropriate connector from the integrated storage bag and plug the 4-in-1 adapter cable into your portable power station or compatible battery system. Monitor the charging status on your power station to ensure power is successfully flowing from the solar panel.
What to consider before purchase
Verify the input voltage and connector compatibility of your existing portable power station or battery
Evaluate the available storage and transport space, keeping in mind the folded dimensions and weight of 37.5 lb
Assess your daily energy requirements to confirm whether a 400W output matches your power consumption needs
Consider the primary deployment locations to ensure adequate unshaded sunlight is accessible
Usage recommendations
For optimal performance, periodically clean the surface of the Topcorn cells with a soft, damp cloth to remove dust and debris that may reduce conversion efficiency. Always store the panel in its folded position inside a dry area when not in use, and ensure the cables are safely secured in the dedicated storage bag to prevent damage to the connectors.

## FAQ

### How much does the VTOMAN VS400 Portable Solar Panel 400W cost, and is it available for purchase?

The price is 545.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 9 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 09.11.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can VTOMAN VS400 Portable Solar Panel 400W be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All VTOMAN products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized VTOMAN service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/12730058/70599470_large.webp