This product can be purchased at this link:

https://www.itargeton.com/products/yupak-hydration-solar-charger-backpack-with-7watts-solar-panel-10000-mah-power-bank.html

YUPAK Hydration Solar Charger Backpack with 7Watts Solar Panel & 10000 mAh Power Bank

Brand Name: YUPAK

Weight: 1.35 kg

Water Bag Volume: 1.8 Liters

Color: Red and Other Color mixed

Material: 55% Nylon and 45% Poly

Solar Panel: 22% high efficiency 7 Watts solar panel removable

Battery Pack: Waterproof 10000mAh high Capacity Dual USB output ports

Include: Backpack*1pc, 7Watts Solar Panel*1pc, 10000 KmAh Battery Pack*1pc, Charger cable*1pc

Note:

• 7W output, full charge your iPhone just need 3-4 hours
• Perfect for hiking, biking, or camping