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VOLTBOX 400W foldable solar panel
VOLTBOX 400W foldable solar panel
VOLTBOX 400W foldable solar panel
VOLTBOX 400W foldable solar panel
VOLTBOX 400W foldable solar panel
VOLTBOX 400W foldable solar panel
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VOLTBOX 400W foldable solar panel

400 W · monocrystalline · ETFE

€336.87
1,799 lei · 1 EUR = 5.3403 lei (BNR, 02.11.2026)

Price includes VAT.

Delivery in 2 working days

  • 2-year warranty
  • 14-day right of return
  • Cash on delivery

Ideal for camping, fishing, picnics and other outdoor activities.

VoltBox 400W foldable solar panel, ideal for camping, fishing, picnics and other outdoor activities, when you want energy independence or want to avoid power cuts on the mains grid.

It powers portable power stations and can even be placed on the balcony of your flat.

VOLTBOX 400W foldable solar panel
400 W
Maximum power
22–23%
Cell efficiency
6
Folds
2 years
Warranty
VOLTBOX 400W foldable solar panel
VOLTBOX 400W foldable solar panel
VOLTBOX 400W foldable solar panel

Video

Specifications

Material
Monocrystalline silicon
Maximum power
400 W
Cell type
Mono cell
Solar cell lamination
ETFE
Included components
USB / Type-C / DC5521 / Anderson
Cell efficiency
22% – 23%
Voltage at maximum power
26.4 V
Current at maximum power
15.15 A
Number of folds
6
Dimensions (unfolded)
720 × 3240 mm / 28.4 × 127.6 inches
Dimensions (folded)
720 × 540 × 70 mm / 28.4 × 21.3 × 2.8 inches
Warranty
2 years, provided the conditions of use and storage are observed
Packaging
78 × 11 × 62 cm / 11.5 kg

Manufacturer: MARIAD SERV SRL (VOLTBOX brand), Str. Găgeni nr. 32, Comuna Blejoi, jud. Prahova, 107070, Romania. Email: office@voltbox.ro

Frequently asked questions

What is the power of the VOLTBOX 400W solar panel?

Maximum power 400 W, cell efficiency 22% – 23%.

Which power stations does the VOLTBOX 400W solar panel work with?

It is compatible with: VOLTBOX 3600W portable power station, VOLTBOX 2400W portable power station.

How big is the VOLTBOX 400W solar panel when folded?

Folded: 720 × 540 × 70 mm / 28.4 × 21.3 × 2.8 inches. Packaging: 78 × 11 × 62 cm / 11.5 kg.

What guarantee does the VOLTBOX 400W have and can I return it?

Consumers get a 2-year guarantee. You can return the product within 14 days of receiving it, without giving a reason. In Romania you pay cash on delivery.