If you set this out at dark, will it auto start when the sun comes up, or does it have to be closed and opened again like my older Big Blue model 28w?

Hi, dear customer YES, this 20w solar charger can auto start when the sun comes up Best regards BigBlue-US

Is this compatible with Anker 521 Power Station?

Dear customer, Yes, the input of this solar panel is 24V/6.26A MAX. It is compatible with Anker 521 Power Station Best regards BigBlue-US

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

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【New Version】20W BigBlue ETFE Solar Charger (5V/4A Max) with Stand, SolarPowa 20 Solar Panel Portable Charger with USB-A and USB-C, IP65 Waterproof, Compatible with iPhone, iPad, Samsung, LG, etc.

Product ID: 652332762

Details

Brand
BigBlue
Efficiency
High
Item weight
776 g
Material
Etfe
Maximum power
20 Watts

💧IP65 waterproof & dustproof

🔌Dual USB-A & USB-C smart charging

☀️20W high-efficiency solar power

Description

☀️ Charge smarter, adventure harder — never miss a moment off-grid!

SUN POWERED EFFICIENCY - Harness 20 watts of clean, renewable energy with advanced monocrystalline solar cells for up to 24% faster charging.
WEATHERPROOF DURABILITY - Built with rugged ETFE lamination and IP65 rating to withstand rain, dust, and fire—ready for any adventure.
SMART DUAL PORT CHARGING - Intelligent USB-A and USB-C ports deliver optimized 5V/2.4A output, adapting to your device for maximum speed.
ULTRA PORTABLE POWERHOUSE - Compact (8.6 x 8.7 x 1.5 inches) and lightweight (0.8 kg) design fits effortlessly into your outdoor lifestyle.
STAND FOR 25 MORE SUNLIGHT - Innovative fold-out stand angles the panel perfectly to soak up extra sunlight, boosting your charge on the go.

The BigBlue SolarPowa 20 is a cutting-edge 20W portable solar charger featuring durable ETFE lamination and IP65 waterproofing for reliable outdoor use. Equipped with smart dual USB-A and USB-C ports, it intelligently maximizes charging efficiency for a wide range of devices. Its foldable design with a built-in stand increases sunlight absorption by 25%, making it an essential companion for professionals and adventurers seeking sustainable, on-the-go power.

Specifications

ASIN	B0BYDPC92H
Brand	BigBlue
Connector Type	USB Type A
Customer Reviews	4.5 4.5 out of 5 stars (57)
Efficiency	High Efficiency
Item Weight	776 g
Manufacturer	BigBlue
Material	Etfe
Maximum Power	20 Watts
Model Number	SolarPowa 20
Number of Items	1
Output Voltage	5 Volts
Part Number	SolarPowa 20
Special Features	Portable, Waterproof

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