Come and see our amazing products. This is 10000mAh solar charger. Compact size with a free hook,easily hang it on your bag pack with the strap, hands-free on the go, enjoy portable power while camping, hiking, traveling, expedition and other outdoor activities.Great Promotional Product. Please do not take solar as main power source as it mainly for topping off. It's subject to sunlight intensity and panel conversion rate, which may take long time to charge. Pls confirm further with us if any query about packing info, inventory status and time schedule.