---
product_id: 43549649
title: "BigBlue 28W Solar Panel Charger with Digital Ammeter, USB-A/USB-C Outputs | 25.4% High-Efficiency, Folding Waterproof Solar Panels with Carabiners for Camping, Backpacking, Phones, Tablets, Power Bank"
brand: "bigblue"
price: "¥22418"
currency: JPY
in_stock: true
category: "Big Blue"
url: https://www.desertcart.jp/products/43549649-bigblue-28w-solar-panel-charger-with-digital-ammeter-usb-usb
store_origin: JP
region: Japan
---

# 1.47 lbs foldable & portable design Dual USB-A/USB-C fast charging ports 25.4% efficiency - max sunlight capture BigBlue 28W Solar Panel Charger with Digital Ammeter, USB-A/USB-C Outputs | 25.4% High-Efficiency, Folding Waterproof Solar Panels with Carabiners for Camping, Backpacking, Phones, Tablets, Power Bank

**Brand:** bigblue
**Price:** ¥22418
**Availability:** ✅ In Stock

## Summary

> ☀️ Power Your Next Adventure with Precision & Speed!

## Quick Answers

- **What is this?** BigBlue 28W Solar Panel Charger with Digital Ammeter, USB-A/USB-C Outputs | 25.4% High-Efficiency, Folding Waterproof Solar Panels with Carabiners for Camping, Backpacking, Phones, Tablets, Power Bank by bigblue
- **How much does it cost?** ¥22418 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/43549649-bigblue-28w-solar-panel-charger-with-digital-ammeter-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

- • **Track Your Power Flow:** Built-in digital ammeter shows real-time current output—know your energy status on the go.
- • **Charge Smarter, Faster:** Intelligent dual USB-A & USB-C ports deliver up to 5V/4A combined output tailored to your device.
- • **Harness Peak Solar Power:** Premium 25.4% high-efficiency monocrystalline cells maximize every ray for unstoppable energy.
- • **Adventure-Ready Durability:** IP44 water-resistant, rugged PET fabric and secure zippered pouch keep you powered rain or shine.
- • **Ultra-Light, Ultra-Flexible:** Weighing just 1.47 lbs with foldable panels and carabiners, it’s the ultimate companion for every outdoor pro.

## Overview

The BigBlue 28W Solar Panel Charger combines cutting-edge 25.4% efficient monocrystalline solar cells with intelligent dual USB-A and USB-C fast charging ports, delivering up to 5V/4A output. Its foldable, lightweight design (1.47 lbs) with carabiners ensures effortless portability for camping, backpacking, and outdoor use. Featuring a digital ammeter for real-time power monitoring and IP44 water resistance, this rugged charger is built to withstand the elements while keeping your devices powered directly from the sun—no battery storage included.

## Description

Buy BigBlue 28W Solar Panel Charger with Digital Ammeter, USB-A/USB-C Outputs | 25.4% High-Efficiency, Folding Waterproof Solar Panels with Carabiners for Camping, Backpacking, Phones, Tablets, Power Bank: Solar Chargers - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## Features

- Superior Sunlight Harvesting: BigBlue portable solar panel boasts premium, high-efficiency solar cells achieving an impressive 25.4% sunlight-to-power conversion. Featuring a sleek, unobstructed design free from front-facing metal lines, it maximizes light capture for significantly increased power output and enhance heat dissipation, and extending the panel's operational longevity.
- Intelligent Fast Charging Ports: Equipped with dual high-speed ports featuring an intelligent chip for device identification, our solar phone charger dynamically delivers optimal power to your gear: USB-A (max. 5V/2.4A) and USB-C (max. 3A), with a combined output up to 5V/4A. Perfect for fast-charging smartphones, power banks, GPS units, tablets, and more.
- Real-Time Power Monitoring & Ultimate Portability: Conveniently track energy generation with the integrated digital ammeter displaying real-time current output. Real power output depends on sunlight intensity, device placement, temperature, and device compatibility. Designed for adventure, this 1.47lbs foldable solar panel ensures effortless transport and secure attachment during camping, hiking, fishing, or any outdoor explorations.
- Rugged & Weather-Resistant: Engineered with robust, industrial-grade PET polymer fabric and certified IP44 water resistance, this durable solar panel charger withstands occasional rain and damp conditions (Keep USB ports and ammeter dry). The integrated, secured zippered compartment safely stores devices while camping. (Avoid placing phones inside while charging to prevent overheating).
- Effortless Operation: Achieve peak performance by unfolding all four panels under full direct sunlight. Connect your compatible device to the USB ports using the provided cables (Note: This solar charger does not store energy; it charges connected devices directly in direct sun). Complete kit includes: 1xBigBlue 28W Solar Charger, 1xUSB-C to USB-C Cable, 4xDurable Carabiners, plus our responsive and friendly customer service.
- Note: This 28W portable solar 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 | B071G4CQSR |
| Amperage Capacity | 1 A |
| Best Sellers Rank | #11,605 in Cell Phones & Accessories ( See Top 100 in Cell Phones & Accessories ) #10 in Cell Phone Solar Chargers |
| Brand Name | BigBlue |
| Connector Type | USB Type A |
| Customer Reviews | 4.3 4.3 out of 5 stars (1,833) |
| Efficiency | High Efficiency |
| Folded Size | 40.6 x 11 x 0.2 inch |
| Global Trade Identification Number | 00768390608786 |
| Included Components | 1X 28W Solar Sharger, 1x USB-C to USB-C cable, 4x Carabiners |
| Item Dimensions L x W x H | 11.2"L x 6.3"W x 0.2"H |
| Item Type Name | solar panel charger |
| Item Weight | 595 g |
| Manufacturer | BigBlue |
| Manufacturer Part Number | 1 |
| Manufacturer Warranty Description | 18-month warranty |
| Material Type | Monocrystalline Silicon |
| Maximum Power | 28 watts |
| Maximum Voltage | 5 volts |
| Model Number | B401E |
| Output Voltage | 5 volts |
| Special Features | Charging Indicator, Travel, Waterproof, Short Circuit Protection |
| UPC | 768390608786 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** BigBlue
- **Efficiency:** High Efficiency
- **Item Weight:** 595 g
- **Material:** Monocrystalline Silicon
- **Product Dimensions:** 11.2"L x 6.3"W x 0.2"H

## Images

![BigBlue 28W Solar Panel Charger with Digital Ammeter, USB-A/USB-C Outputs | 25.4% High-Efficiency, Folding Waterproof Solar Panels with Carabiners for Camping, Backpacking, Phones, Tablets, Power Bank - Image 1](https://m.media-amazon.com/images/I/81OfMkn5UyL.jpg)
![BigBlue 28W Solar Panel Charger with Digital Ammeter, USB-A/USB-C Outputs | 25.4% High-Efficiency, Folding Waterproof Solar Panels with Carabiners for Camping, Backpacking, Phones, Tablets, Power Bank - Image 2](https://m.media-amazon.com/images/I/71lMJfzvvuL.jpg)
![BigBlue 28W Solar Panel Charger with Digital Ammeter, USB-A/USB-C Outputs | 25.4% High-Efficiency, Folding Waterproof Solar Panels with Carabiners for Camping, Backpacking, Phones, Tablets, Power Bank - Image 3](https://m.media-amazon.com/images/I/81SUWY1JJjL.jpg)
![BigBlue 28W Solar Panel Charger with Digital Ammeter, USB-A/USB-C Outputs | 25.4% High-Efficiency, Folding Waterproof Solar Panels with Carabiners for Camping, Backpacking, Phones, Tablets, Power Bank - Image 4](https://m.media-amazon.com/images/I/81epm0rQ60L.jpg)
![BigBlue 28W Solar Panel Charger with Digital Ammeter, USB-A/USB-C Outputs | 25.4% High-Efficiency, Folding Waterproof Solar Panels with Carabiners for Camping, Backpacking, Phones, Tablets, Power Bank - Image 5](https://m.media-amazon.com/images/I/71GXSI5fmGL.jpg)

## Available Options

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

## Questions & Answers

**Q: If cloud or shade passes,  does solar charger automatically recover or does it stop charging?**
A: Yes, this 28w solar panel charger can automatically recover to charge your phone

**Q: This solar charger can charge Androids and Apple cellphones and power station?**
A: BigBlue 28w solar panel charger can charge most Androids and Apple cellphones, but our solar phone charger doesn't include the lightning cable for iPhone or iPad. This product comes with 2 5V USB-A output, so it can't charge power station.

**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/4.0A Max in total, the total theoretical power is 5V*4.A=20W Max. But there are loss in the solar energy conversion process.

## Frequently Bought Together

- BigBlue Portable Solar Charger 28W with Digital Ammeter, 25.4% High-Efficiency, Dual USB Ports, Folding Waterproof Solar Panels with Carabiners for Camping, Backpacking, Phones, Tablets, Power Bank
- 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)
- INIU Portable Charger, Slimmest 10000mAh 5V/3A Power Bank, USB C in&out High-Speed Charging Battery Pack, External Phone Powerbank Compatible with iPhone 16 15 14 13 12 Samsung S22 S21 Google iPad etc

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**Shop now:** [https://www.desertcart.jp/products/43549649-bigblue-28w-solar-panel-charger-with-digital-ammeter-usb-usb](https://www.desertcart.jp/products/43549649-bigblue-28w-solar-panel-charger-with-digital-ammeter-usb-usb)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-08-02*