---
product_id: 32074962
title: "BigBlue 28W High-Efficiency Solar Panel Charger with Dual USB-C and USB-A"
brand: "bigblue"
price: "฿7796"
currency: THB
in_stock: true
reviews_count: 13
category: "Big Blue"
url: https://www.desertcart.co.th/products/32074962-bigblue-28w-high-efficiency-solar-panel-charger-with-dual-usb
store_origin: TH
region: Thailand
---

# IP44 water-resistant polymer surface Dual USB-C + USB-A ports, 5V/4.8A max output 28W high-efficiency solar power BigBlue 28W High-Efficiency Solar Panel Charger with Dual USB-C and USB-A

**Brand:** bigblue
**Price:** ฿7796
**Availability:** ✅ In Stock

## Summary

> ☀️ Power your adventures with the ultimate foldable solar charger — never get caught powerless again!

## Quick Answers

- **What is this?** BigBlue 28W High-Efficiency Solar Panel Charger with Dual USB-C and USB-A by bigblue
- **How much does it cost?** ฿7796 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/32074962-bigblue-28w-high-efficiency-solar-panel-charger-with-dual-usb)

## Best For

- bigblue enthusiasts

## Why This Product

- Trusted bigblue brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Power Up Anywhere, Anytime:** 28W solar panel delivers 20% more power with advanced N-type cells and shadow-free design for superior low-light efficiency.
- • **Built to Brave the Elements:** Durable IP44-rated water-resistant polymer surface resists rain, fog, and wear, ensuring reliable outdoor performance.
- • **Smart & Safe Solar Charging:** Equipped with Intelligent Safety Charging technology for fast, stable, and 100% safe energy transfer under direct sunlight.
- • **Compact & Lightweight for Adventure:** Folds down to 11x6x1.4 inches and weighs just 1.5 lbs, fitting effortlessly into any backpack or emergency kit.
- • **Charge Multiple Devices Simultaneously:** Dual USB-C and USB-A ports provide up to 5V/4.8A total output, perfect for powering phones, power banks, GPS, and more on the go.

## Overview

The BigBlue 28W High-Efficiency Solar Panel Charger is a portable, foldable solar charger featuring advanced N-type solar cells and a shadow-free design that boosts power output by 20%. It includes dual USB-C and USB-A ports delivering up to 5V/4.8A for simultaneous multi-device charging. With an IP44 water-resistant polymer surface, it’s built for rugged outdoor use. Compact and lightweight, it’s ideal for camping, backpacking, and emergency preparedness, providing smart, safe, and efficient solar charging wherever direct sunlight is available.

## Description

desertcart.com: BigBlue 28W High-Efficiency Solar Panel Charger with Dual USB-C and USB-A | Solar Phone Charger for Camping, Backpacking, Folding Solar Panels for iPhone, iPad, Samsung Galaxy, Power Bank, GPS etc : Cell Phones & Accessories

Review: Perfect for those on the go, highly recommend getting one. - When I first purchased this portable solar panel, I was skeptical about its capabilities. To be honest, I didn’t anticipate its impressive performance. Let’s begin with the build quality. The manufacturer has done an excellent job with the design and construction. The foldable design makes it incredibly portable, and the panels themselves feel sturdy and well-made, not cheap at all. I appreciate that it comes with carabiners, which makes attaching it to a backpack or hanging it easy and convenient. Since I’m always on the go and carry a lot of tech, I’m constantly in need of extra power for my gadgets. I paired this solar panel with a NESTOUT 15000N portable outdoor battery, and they work seamlessly together for my needs. The solar panels keep my battery charged, and I use the power from the battery to quickly charge my devices. The USB-C ports and USB-A port works great without any problems and allows me to connect to my devices quickly without any delay. Now, don’t expect these small panels to charge devices rapidly. They do the job, and so far, with the sunlight I’ve been exposed to daily, they’ve worked flawlessly. I highly recommend this product. Considering its limitations and my use case, I believe it was a wise investment. I’ve also recommended it to several friends who work outdoors, and they’re equally impressed with its performance.
Review: Charger works great! - Took this to Juneau, AK, most days were cloudy. I was amazed that it still charged our phones even with cloud cover. The size was perfect to take on the plane, then open up when needed. On sunny days it charged quickly.

## Features

- Advanced Performance: BigBlue 28W portable solar charger provides 20% more power from every ray, thanks to shadow-free surface design (No metal lines on the front panel). Engineered heat resistance and advanced N-type solar cells offer superior Low-Light efficiency and extending operational longevity
- Upgraded Triple-Port: Dual USB-C and one USB-A ports deliver a maximum output of 5V/3A each, collectively achieving 5V/4.8A. This solar panel charger empowers simultaneous multi-device charging. Please note that the portable solar panel can't store the electricity and must be used in direct sunlight while connected to your devices
- High-Efficiency & IP44 Waterproof: 28W USB solar panel phone charger converts 25.4% sunlight into free energy – industry-leading efficiency. Our most durable design with special polymer surface resists rain, fog, and wear better than conventional panels. Note: USB junction box is not waterproof
- Ultra-Portable Emergency Solar Charger: Engineered for outdoor camping/hiking and emergency power supply, BigBlue folding solar panel charger folds to just 11x6x1.4 inches and weighs only 1.5 lbs—compact enough for tight backpack. Unfold, Plug, Power, easy to setup, it is critical for hurricane preparedness kits
- Universal Power on the Go: Charge your smartphones, power banks, GPS, flashlight and small electronics seamlessly with BigBlue's lightweight solar panel charger. Actual output fluctuates with solar irradiance, angular orientation, connected device specifications, ambient temperature etc. Equipped with Intelligent Safety Charging for fast, 100% safe energy in sunlight. (Cable for Apple devices is not included.)
- Package & Support: You will get a BigBlue 28W Solar Panel Charger, a 50cm USB-C to USB-C Cable, Carabiners, a User Manual and our friendly customer service. Note: we don't suggest you use this foldable solar panel inside of a window or windscreen. The LED light glow solid blue when charging properly - your sign to just relax and let it work
- Note: This solar panel charger is designed for direct charging and does not have an internal battery to store electricity. Optimal charging speed requires direct sunlight, as insufficient sunlight will result in unstable or reduced power output. Its power output is not sufficient for charging laptops or large power stations

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01EXWCPLC |
| Amperage | 2.4 A |
| Best Sellers Rank | #3,355 in Cell Phones & Accessories ( See Top 100 in Cell Phones & Accessories ) #2 in Cell Phone Solar Chargers |
| Brand | BigBlue |
| Built-In Media | 28W Solar Panel Charger*1, User Manual |
| Color | Black |
| Compatible Devices | Battery Power Bank, HTC/Google/Honor/Apple iPhone/Huawei/LG/Motorola/Nokia/Samsung/Sony cellphones, Headphones/Headlamp, Speakers/GPS Compatible Devices Battery Power Bank, HTC/Google/Honor/Apple iPhone/Huawei/LG/Motorola/Nokia/Samsung/Sony cellphones, Headphones/Headlamp, Speakers/GPS See more |
| Compatible Phone Models | HTC/Google/Honor/iPhone/Huawei/LG/Motorola/Nokia/Samsung/Sony cellphones |
| Compatible Power Plug Type | Type A - 2 pin (North American), Type C |
| Connectivity Technology | USB |
| Connector Type | USB Type A, USB Type C |
| Current | DC |
| Current Rating | 3 A |
| Customer Package Type | Frustration-Free Package (FFP) |
| Customer Reviews | 4.4 out of 5 stars 9,889 Reviews |
| Enclosure Material | Monocrystalline Silicon |
| Form Factor | Folding |
| Global Trade Identification Number | 00768390608519 |
| Included Components | 28W Solar Panel Charger*1, User Manual |
| Item Type Name | solar panel charger |
| Item Weight | 671 g |
| Main Power Connector Type | 2 Pin |
| Manufacturer | BigBlue |
| Mfr Part Number | BB 401 |
| Model Name | B401DD |
| Model Number | B401D |
| Mounting Type | Unfold all the solar panels and connect to your devices in direct sunlight |
| Number of Items | 1 |
| Output Current | 3 A |
| Output Voltage | 5 volts |
| Plug Type | USB-C and USB-A |
| Power Plug | No Plug |
| Power Source | Solar Powered |
| Special Feature | 2 USB-C and USB-A, Higher Energy Conversion, Portable and Folding Solar Panel Charger, Smart IC Technology, Waterproof Solar Panels Special Feature 2 USB-C and USB-A, Higher Energy Conversion, Portable and Folding Solar Panel Charger, Smart IC Technology, Waterproof Solar Panels See more |
| Special Features | 2 USB-C and USB-A, Higher Energy Conversion, Portable and Folding Solar Panel Charger, Smart IC Technology, Waterproof Solar Panels |
| Specification Met | USB |
| Total USB 2.0 Ports | 2 |
| Total Usb Ports | 2 |
| UPC | 768390608519 |
| Unit Count | 1 Count |
| Voltage | 5 volts |
| Warranty Description | no |
| Wattage | 28 watts |
| Wired Charging Connector Type | USB Type A, USB Type C |

## Product Details

- **Amperage:** 2.4 A
- **Brand:** BigBlue
- **Color:** Black
- **Compatible Phone Models:** HTC/Google/Honor/iPhone/Huawei/LG/Motorola/Nokia/Samsung/Sony cellphones
- **Connector Type:** USB Type A, USB Type C
- **Included Components:** 28W Solar Panel Charger*1, User Manual
- **Total USB Ports:** 2
- **Wattage:** 28 watts

## Images

![BigBlue 28W High-Efficiency Solar Panel Charger with Dual USB-C and USB-A - Image 1](https://m.media-amazon.com/images/I/81Y+nxzTVGL.jpg)
![BigBlue 28W High-Efficiency Solar Panel Charger with Dual USB-C and USB-A - Image 2](https://m.media-amazon.com/images/I/71w3nVOERSL.jpg)
![BigBlue 28W High-Efficiency Solar Panel Charger with Dual USB-C and USB-A - Image 3](https://m.media-amazon.com/images/I/71dO0xyN7mL.jpg)
![BigBlue 28W High-Efficiency Solar Panel Charger with Dual USB-C and USB-A - Image 4](https://m.media-amazon.com/images/I/813eHktj2IL.jpg)
![BigBlue 28W High-Efficiency Solar Panel Charger with Dual USB-C and USB-A - Image 5](https://m.media-amazon.com/images/I/81Ghm1X6WFL.jpg)

## Available Options

This product comes in different **Color** options.

## Questions & Answers

**Q: This solar charger can charge my cellphones at night?**
A: No, this portable solar charger can't store the electricity, you need to connect your device to the solar panel in enough sunlight outdoors.

**Q: Why the real output is different from the power claimed?**
A: This product has 4 piece panel, each is 7w, so the power is 4*7w=28W;  Theoretical output is 5V/2.4A Max for each port, 5V/4.8A Max in total, the total theoretical power is 5V*4.8A=24W Max. But there are loss in the solar energy conversion process.

**Q: What's the auto-restart function?**
A: Any cloud or covering arrives may knock the value of output down, but this folding solar panel charger can automatically recover to normal charging speed when there are enough sunlight.

**Q: This solar charger can charge Androids and Apple cellphones?**
A: Yes, but our solar phone charger doesn't include the lightning cable for iPhone or iPad.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect for those on the go, highly recommend getting one.
*by I***T on August 14, 2025*

When I first purchased this portable solar panel, I was skeptical about its capabilities. To be honest, I didn’t anticipate its impressive performance. Let’s begin with the build quality. The manufacturer has done an excellent job with the design and construction. The foldable design makes it incredibly portable, and the panels themselves feel sturdy and well-made, not cheap at all. I appreciate that it comes with carabiners, which makes attaching it to a backpack or hanging it easy and convenient. Since I’m always on the go and carry a lot of tech, I’m constantly in need of extra power for my gadgets. I paired this solar panel with a NESTOUT 15000N portable outdoor battery, and they work seamlessly together for my needs. The solar panels keep my battery charged, and I use the power from the battery to quickly charge my devices. The USB-C ports and USB-A port works great without any problems and allows me to connect to my devices quickly without any delay. Now, don’t expect these small panels to charge devices rapidly. They do the job, and so far, with the sunlight I’ve been exposed to daily, they’ve worked flawlessly. I highly recommend this product. Considering its limitations and my use case, I believe it was a wise investment. I’ve also recommended it to several friends who work outdoors, and they’re equally impressed with its performance.

### ⭐⭐⭐⭐⭐ Charger works great!
*by B***O on July 11, 2026*

Took this to Juneau, AK, most days were cloudy. I was amazed that it still charged our phones even with cloud cover. The size was perfect to take on the plane, then open up when needed. On sunny days it charged quickly.

### ⭐⭐⭐⭐ Great charging unit and compact for the size it folds up to.
*by M***O on May 16, 2026*

Here’s a polished version of your review: The large blue solar charging unit works as advertised. While it does not charge devices especially fast, it charges them reliably and effectively. However, after only 6–7 uses, the plastic backing that supports the internal USB unit broke. The backing is secured with four screws, but the plastic around the screw mounts cracked and failed. Unfortunately, the backing piece is sewn into the unit, so removing it requires undoing part of the stitching. At this point, the only practical repair option appears to be epoxying the USB unit directly inside the pocket. I can understand why the failure occurred. The USB assembly is mounted to flexible fabric material rather than a rigid support panel. If it had been attached to a stiffer backing similar to the solar panels themselves, it likely would have held up much better when carried inside a backpack with other items pressing against it. This is a great unit for short or long hikes and outings out to the beach, park or wherever you may need to charge a device.

## Frequently Bought Together

- [Upgraded] BigBlue 3 USB Ports 28W Solar Charger(5V/4.8A Max), Portable Foldable Solar Panel for Camping, IP44 Waterproof, Compatible with iPhone 11/XS/XS Max/XR/X/8/7, iPad, Samsung Galaxy LG etc.
- Hiluckey Solar Charger 25000mAh, Outdoor USB C Portable Power Bank with 4 Solar Panels, 3A Fast Charge External Battery Pack with 3 USB Outputs Compatible with Smartphones, Tablets, etc.
- Anker Power Bank(PowerCore 10K),Compact Travel-Ready 10,000mAh Battery Pack with PowerIQ Charging Technology,5V/3A High-Speed Charging for iPhone,iPad,and More (USB-C Input and Output（Black），1pack)

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**Shop now:** [https://www.desertcart.co.th/products/32074962-bigblue-28w-high-efficiency-solar-panel-charger-with-dual-usb](https://www.desertcart.co.th/products/32074962-bigblue-28w-high-efficiency-solar-panel-charger-with-dual-usb)

---

*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-08-02*