Can this solar charger charge your phone at night?

No, this product cannot store electricity.You need to charge your device to connect it to the solar panel outside in direct sunlight.

Why is the actual output different from the power that clause?

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.

What is Auto Restart Function?

When charging your device, when the clouds decrease, the weather will recover and generate power automatically.

Can this product charge a smartphone such as an iPhone or Android?

Yes, you can charge it.This product only comes with a USBA to USBC cable. Cables for other devices are purchased separately.

What does the red indicator mean?

Red LED light will light up when the solar panel is fully charged. Flashes if there is overcurrent or short circuit.

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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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

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

Product ID: 724996479

Details

Amperage
2.4 Amps
Brand
BigBlue
Color
grays
Compatible Devices
Smartphones
Compatible Phone Models
Samsung Galaxy
Connector Type
USB

🎒682g lightweight & foldable design

🔌3 USB ports (USB-A + 2x USB-C) 4.8A max output

☀️25.4% top-tier solar conversion

Description

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

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.

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.

Specifications

ASIN	B01EXWCPLC
Additional Features	Travel
Amazon Bestseller	#104,807 in DIY, Tools & Garden ( See Top 100 in DIY, Tools & Garden ) #181 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 (8,543)
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

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