# 400W Portable Solar Panel ☀

Get faster charging outdoors with the MHPOWOS 400W portable solar panel, lightweight and IP67 waterproof for camping and RV use.

- [Original product page](https://www.ofertitastop.com/us/product/400w-portable-solar-panel)
- [View offer](https://www.ofertitastop.com/us/visit/400w-portable-solar-panel)
- Market: US
- Language: en-US
- Currency: USD
- Product updated: 2026-10-30T23:09:24.298Z
- SKU: ofertitastop-us-29176
- Category: Electronics > Audio > Audio Accessories > Headphone & Headset Accessories > Headphone Cushions & Tips
- Source store: amazon US
- Active deal: Yes
- Price: 332.99 USD
- Previous price: 369.99 USD
- Discount: 10%
- Rating: 4.2 / 5
- Reviews: 32

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## Description

This lightweight 400W portable solar panel brings reliable sun power for camping, RV trips and outdoor stations. It folds into a compact carry unit, has kickstands for quick setup and aims to speed up charging of power stations and portable batteries. As a portable solar panel it balances output and convenience for day trips and extended stays, offering a faster charge in good sunlight and flexible positioning with adjustable stands.

## Key points

The design favors portability and ease of use, with a zippered accessory pouch to store cables and connectors. One person can unfold and position the panel in minutes, then angle it for best sun exposure, which helps improve daily harvest. The panel is described as IP67 waterproof and dustproof, so it tolerates damp or dusty conditions on outdoor routes, though heavy storms or full immersion should be avoided. It includes multiple output interfaces for plug and play compatibility with many portable power stations, and the manufacturer notes some power stations limit input power so total received watts may be capped by the station itself. ☀️

## Why it’s worth it

If you need a single-panel solution for overlanding or campsite power, this model brings a strong conversion rate that reduces charging time for compatible generators. It is foldable and relatively light for its class, which means easier transport between vehicle and campsite. The included extension cable and broad connector set increase compatibility out of the box, which can save time and extra purchases. Consider that maximum real-world output depends on sun conditions and the input limit of your power station, according to the manufacturer. ⛺

## Tech specs

- Name: **MHPOWOS 400W foldable solar panel**
- Power: 400W
- Efficiency: 23.5%
- Protection: IP67 waterproof and dustproof
- Design: Foldable with zippered pouch and 4 kickstands

## Images

![400W Portable Solar Panel ☀ — 1](https://www.ofertitastop.com/i/JMo1H9iAQLusVt_cjGQJ3SczDjMd3w7tvuhXCQ8lQA1fvGskGS6nGPDhke8kDbXRXrMy0xnXrGW2z_hlFlcZsJwRku5K0TmSqFeEzTNOGrViBdZ21xUHWr3q7A.jpg)

![400W Portable Solar Panel ☀ — 2](https://www.ofertitastop.com/i/vZXMjCa_6Vbof3WTY06VcObsXoGgghqOfA9gJZ0lXCb3EsoBWKLaK7BAC_ohrBW5qR57jUWT2LDDXZOo5b6Yuot5A0lDGgircN6UuHlp26SFTarsJbNBroJWLQ.jpg)

![400W Portable Solar Panel ☀ — 3](https://www.ofertitastop.com/i/N5NQXBO-dMgOGS6hoYmo4yJp84QgUW17quiUkxW_DQGGKS5tbacXakqpV5KWQykoQl7642lttYtn85mP1GXSq_y-BgritiCJT8rupvj5ZDDofLoSXAFBChFZYA.jpg)

![400W Portable Solar Panel ☀ — 4](https://www.ofertitastop.com/i/r2yrYGSWDDYoGzLukpkchPhdt6vNtf8GZ5v1iIgzjrAP8KixsQlJi48OrG80PF-jH2AavKdJHsSSZ5-guXXyGsFnmiHkgL9MwbLWr36em1MxV6micnbPESOSlQ.jpg)

![400W Portable Solar Panel ☀ — 5](https://www.ofertitastop.com/i/CaPs3hlu_eSxP493_aQZbxg8PQClHrzGb6InBjwXw3phsjk5PV4FXW2SSVPK9ZrcOPbnk-wO5NjBMbV1hoYkEXJRS27v0WAoQu-Zc_U_uiwJQrRX8CBJwP41_g.jpg)