key Features:

• HIGH-QUALITY BACKPACK- It is made of cotton polyester denim fabric, wrinkle-free, can not afford to hair, good texture. Wider thicker and adjustable shoulder straps, design of decomposition of the force, for carrying comfort.
• REMOVABLE &FOLDABLE SOLAR CHARGER - 3.5Watts foldable solar panel removable from main packs. It can absorb solar energy, high efficiency up to 22% efficiency solar charging technology keeps your devices powered up with free solar power. The solar cells in a protective anti scratch hardened coating sewn into high-wear PVC fabric for weather-resistant outdoor durability.
• CHARGE A VARIETY OF DEVICES EVEN AT NIGHT- Built-in 2,000mAh slim and waterproof Li-Polymer Battery pack harge for iPhone, Samsung, other smart phones, External Battery Packs, GPS systems, MP3 Players, Bluetooth Speakers. Do not worry your devices run off power all day and night!
• UNIQUE LED LIGHT DESIGN - 1Watt Led light power from chargeable battery. Do not afraid of darkness at night either. Just enjoy the greatest happiness during travel camping all day and night. 10 pcs led chips, sensitive touch 3 modes for Light Modes: High-brightness, Low-brightness, and SOS/Emergency flashing, very suit for camping, hiking or other outdoor activities at night.
• PACKAGE CONTENTS: 1PCS*ECEEN 3.25W solar light backpack,4PCS* Carabiners,1PCS* 40cm Micro USB cable,1PCS* instruction manual.

More Deion:

ECEEN® Solar charger&light backpack captures more sunlight than conventional solar panels,it generate more electricity per panel.

Unique design: removable and compact size solar panel charger design for portability to hang it on backpacks.
Ergonomic design: adjustable padded shoulder straps for carrying comfort.
Multifunctional design:1*inner bag;1*zipper inner phone pocket;1*outter zipper pouch;2*side bottles/umbrella holder.
How to use
Charging the battery
1.Charging from the solar panel.
Open ECEEN foldable solar charger and spread it to direct sunshine. The battery red led will be lighting, it is means solar charging internal battery.
2.Charging from computer or USB AC charger.
Using ECEEN original charging cable in the packaging. Plug the DC port to the battery DC input. Plug another USB plug to computer (or AC USB adaptor plug).Then the battery led will become red. The battery should be fully charge from flat in around 1 hour.
Charging device
Using USB charging cable, plug USB port to the battery USB output.Connected right charging adaptor to the mobile phone.then the product will be charging smart phone automatically.
Specifications
Backpack Size: 450mm*280mm*150mm
Net Weight:21.16oz/600g
Packing Size: 320*200*80mm
Packing Weight:30oz/850g
Notes:
1.Make sure the solar panel towards the sun directly, that way will be great help for charging!
2.Please use original cables in package or your original phone cable for charging, the cable quality is big impact the charging time.
3.It will be not charging device if the sun not strong enough or there have heavy cloudy day, Please re-plug the cables.
4.Do not put the product on the area with high temperature and high wet.