---
product_id: 724996479
title: "BigBlue 28W Solar Panel Compact 3 USB Ports USB-A/USB-C (5V/4.8A) [25.4% Conversion Efficiency Lightweight Portable Convenient] Solar Charger Solar Charger Foldable Auto Retry Function Carabiner"
brand: "bigblue"
price: "511 zł"
currency: PLN
in_stock: true
category: "Big Blue"
url: https://www.desertcart.pl/products/724996479-bigblue-28w-solar-panel-compact-3-usb-ports-usb-usb
store_origin: PL
region: Poland
---

# 682g lightweight & foldable design 3 USB ports (USB-A + 2x USB-C) 4.8A max output 25.4% top-tier solar conversion BigBlue 28W Solar Panel Compact 3 USB Ports USB-A/USB-C (5V/4.8A) [25.4% Conversion Efficiency Lightweight Portable Convenient] Solar Charger Solar Charger Foldable Auto Retry Function Carabiner

**Brand:** bigblue
**Price:** 511 zł
**Availability:** ✅ In Stock

## Summary

> ☀️ Charge smarter, roam freer — power your life off the grid!

## Quick Answers

- **What is this?** BigBlue 28W Solar Panel Compact 3 USB Ports USB-A/USB-C (5V/4.8A) [25.4% Conversion Efficiency Lightweight Portable Convenient] Solar Charger Solar Charger Foldable Auto Retry Function Carabiner by bigblue
- **How much does it cost?** 511 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/724996479-bigblue-28w-solar-panel-compact-3-usb-ports-usb-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

- • **Emergency-Ready Power:** Reliable backup for outdoor adventures and disaster preparedness with rugged, dustproof construction.
- • **Sun-Powered Efficiency:** Industry-leading 25.4% solar conversion for rapid, eco-friendly charging anywhere.
- • **Triple Smart USB Output:** 3 intelligent USB ports auto-adjust current for optimal fast charging on multiple devices simultaneously.
- • **Ultra-Portable & Durable:** Foldable, featherlight (682g) design with IPX4 water resistance—built for your on-the-go lifestyle.
- • **Weather-Adaptive Auto-Retry:** Seamlessly resumes charging after clouds pass—no manual resets needed, so you never miss a charge.

## Overview

The BigBlue 28W Solar Panel is a compact, foldable solar charger featuring industry-leading 25.4% conversion efficiency and three smart USB ports (USB-A and dual USB-C) delivering up to 4.8A total output. Weighing just 682 grams and designed with IPX4 water resistance, it’s perfect for outdoor enthusiasts and emergency preparedness. Its auto-retry function ensures continuous charging even in variable weather, making it a reliable, eco-friendly power solution for smartphones, tablets, and other USB devices.

## Description

desertcart.co.jp: BigBlue 28W Solar Panel Compact 3 USB Ports USB-A/USB-C (5V/4.8A) [25.4% Conversion Efficiency Lightweight Portable Convenient] Solar Charger Solar Charger Foldable Auto Retry Function Carabiner : DIY, Tools & Garden

## Features

- ☑️【Note: This product requires direct sunlight for charging, and it does not come with a "mobile battery included". Please do not mistake it for a mobile battery 【Smart IC technology and auto-retry function】With BigBlue's proprietary Smart IC technology, each USB port automatically detects connected smartphones and other devices, providing fast charging at the optimal current The auto-retry function means that when charging the device, if the power generation decreases due to cloudy weather, the power generation can automatically increase when the weather improves No need to set up the solar charging cable when the weather changes between sunny and cloudy; it automatically restarts charging Adopting a lightweight and more portable structure, it is designed to be perfect for outdoor activities such as long-distance travel, climbing, camping, hiking, and BBQ Great as an emergency power source for earthquakes and disasters
- ✅【25.4% Industry Top Conversion Efficiency】Adopts high-efficiency solar panels, which are the most durable battery panels in the industry and more durable than conventional solar panels Simply place it in a sunny spot to charge your battery, etc The solar conversion efficiency is high at 25.4%, and it is equipped with 4 high efficiency solar panels to achieve maximum power generation When sunlight hits the panel vertically, it allows for rapid charging regardless of the season
- ✅【3-Port Output USB-A/Type-C*2】: ① Smart Charging: Equipped with 3 USB output ports (USB-A, USB-C) Each port can output up to 5V / 3A Total maximum output of up to 4.8A across 3 ports is possible (charging amount varies depending on sunlight) All three ports are covered with rubber covers to protect against dust and water damage ※Cannot charge PCs and products with ultra-low power consumption (smartwatch, wireless headset, etc.)
- ✅【Easy to Carry】Easy to Carry: The simple design cuts out all unwanted switches and connection wires. It is foldable, so it is easy to carry and does not break easily during transportation When folded, the size is approximately 282 x 160 x 20 mm, and when unfolded, it is approximately 840 x 282 mm. The weight is 682 g The dual-port power supply is applicable by connecting to all Android devices and some DSLRs A cable is included Additional cables are required for other devices
- ✅【Waterproof and Rugged Design】Adopts durable fabric and reinforced solar panel (The waterproof standard of the solar panel part is IPX4, so it is fine if it gets a little wet in sudden rain Dust-proof performance is achieved Withstands harsh environments such as sudden light rain or snow, making it ideal not only for everyday use but also for travel, camping, hiking, and more Great as an emergency power source for earthquakes and other disasters
- ✅【Warranty】From the order date, the seller provides a 24-month warranty If there is any issue, please contact us using the contact method below Contact Us: support@ibigblue.co.jp

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01EXWCPLC |
| Additional Features | Travel |
| Amazon Bestseller | #101,935 in DIY, Tools & Garden ( See Top 100 in DIY, Tools & Garden ) #203 in Solar Panels |
| Amperage | 2.4 Amps |
| Brand | BigBlue |
| Built-In Media | panels |
| Color | grays |
| Compatible Devices | Smartphones, Smartwatches, Tablets |
| Compatible Phone Models | Samsung Galaxy |
| Connectivity Technology | USB |
| Connector Type | USB |
| Current Rating | 2.4 Amps |
| Customer Reviews | 3.9 3.9 out of 5 stars (8,553) |
| Global Trade Identification Number | 00768390608519 |
| Input Voltage | 5 Volts |
| Item Weight | 671 Grams |
| Manufacturer | BigBlue |
| Mfr Part Number | BB 401 |
| Model Name | B401D |
| Model Number | B401DD |
| Number of Items | 1 |
| Output Current | 4.6 Amps |
| Output Voltage | 5 Volts |
| Portable | Yes |
| Power Source | Solar Powered |
| Total USB 2.0 Ports | 2 |
| Total Usb Ports | 2 |
| UPC | 768390608519 |
| Unit Count | 1 Count |
| Voltage | 5 Volts |
| Warranty Description | 2 Year Manufacturer Warranty |
| Wattage | 28 W |

## Product Details

- **Amperage:** 2.4 Amps
- **Brand:** BigBlue
- **Color:** grays
- **Compatible Devices:** Smartphones, Smartwatches, Tablets
- **Compatible Phone Models:** Samsung Galaxy
- **Connector Type:** USB
- **Included Components:** panels
- **Input Voltage:** 5 Volts
- **Special Feature:** Travel
- **Total USB Ports:** 2

## Images

![BigBlue 28W Solar Panel Compact 3 USB Ports USB-A/USB-C (5V/4.8A) [25.4% Conversion Efficiency Lightweight Portable Convenient] Solar Charger Solar Charger Foldable Auto Retry Function Carabiner - Image 1](https://m.media-amazon.com/images/I/81Y+nxzTVGL.jpg)
![BigBlue 28W Solar Panel Compact 3 USB Ports USB-A/USB-C (5V/4.8A) [25.4% Conversion Efficiency Lightweight Portable Convenient] Solar Charger Solar Charger Foldable Auto Retry Function Carabiner - Image 2](https://m.media-amazon.com/images/I/71w3nVOERSL.jpg)
![BigBlue 28W Solar Panel Compact 3 USB Ports USB-A/USB-C (5V/4.8A) [25.4% Conversion Efficiency Lightweight Portable Convenient] Solar Charger Solar Charger Foldable Auto Retry Function Carabiner - Image 3](https://m.media-amazon.com/images/I/71HzWFsLpWL.jpg)
![BigBlue 28W Solar Panel Compact 3 USB Ports USB-A/USB-C (5V/4.8A) [25.4% Conversion Efficiency Lightweight Portable Convenient] Solar Charger Solar Charger Foldable Auto Retry Function Carabiner - Image 4](https://m.media-amazon.com/images/I/81z5WiouYeL.jpg)
![BigBlue 28W Solar Panel Compact 3 USB Ports USB-A/USB-C (5V/4.8A) [25.4% Conversion Efficiency Lightweight Portable Convenient] Solar Charger Solar Charger Foldable Auto Retry Function Carabiner - Image 5](https://m.media-amazon.com/images/I/71zm5JBNCFL.jpg)

## Available Options

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

## Questions & Answers

**Q: Can this solar charger charge your phone at night?**
A: No, this product cannot store electricity.You need to charge your device to connect it to the solar panel outside in direct sunlight.

**Q: Why is the actual output different from the power that clause?**
A: This product has 4 panels, 1 panel is 7W, so the power is 4*7 W=28W. The theoretical output is 5V/2.4A Max, total 5V/4.8A Max, and the theoretical total power is 5V*4.8A=24W. However, the solar energy conversion process has loss.

**Q: What is Auto Restart Function?**
A: When charging your device, when the clouds decrease, the weather will recover and generate power automatically.

**Q: Can this product charge a smartphone such as an iPhone or Android?**
A: Yes, you can charge it.This product only comes with a USBA to USBC cable. Cables for other devices are purchased separately.

**Q: What does the red indicator mean?**
A: Red LED light will light up when the solar panel is fully charged. Flashes if there is overcurrent or short circuit.

## 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.pl/products/724996479-bigblue-28w-solar-panel-compact-3-usb-ports-usb-usb](https://www.desertcart.pl/products/724996479-bigblue-28w-solar-panel-compact-3-usb-ports-usb-usb)

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*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-05-31*