Main Features‎:‎GBtiger 21W Solar Charger Panel Power Emergency Folding Charging Bag‎- Especially suitable for emergency occasions when you work or travel in the wild or power‎-cut occurredHigh Energy Conversion Efficiency‎- Adopted sunpower panels‎,‎ increasing conversion efficiency up to 23pct which is much higher than common solar panel charger ‎(‎ 15pct ‎)‎Dual USB Outputs Design‎- Enabled to transmit power to 2 devices simultaneously‎,‎ just for your great convenienceWater Resistant Material‎- High‎-quality PET solar panels‎,‎ anti‎-wear and water resistant‎,‎ durable to use‎,‎ long lifespanThoughtful and Convenient Design‎- With two hooks‎,‎ enable easily attach to backpacks for hiking camping and other outdoor activitiesFoldable Design‎- Easy to be folded to the size of magazine‎,‎ can be put in your bag‎,‎ easy to carry around Environmentally‎-friendly‎- Where there is light‎,‎ there is electricity‎,‎ energy‎-efficient design‎,‎ conform to the intention of protecting our earthMultiple Protections‎- The product has passed the CE certification‎,‎ protection for overcharge‎,‎ overvoltage‎,‎ overcurrent and short circuit‎- No built‎-in battery‎,‎ don‎'‎t worry about the security problems caused by heat and strong lightHigh Compatibility‎- Suitable for most of 5V mobile devices‎,‎ like phone‎,‎ tablet‎,‎ MP3‎,‎ MP4‎,‎ camera‎,‎ PSP‎,‎ GPS‎,‎ etc‎.‎ Parameters‎:‎Model‎:‎ HYD ‎- 03Solar panels peak power‎:‎ 21WOutput‎:‎ 5V 3.2A ‎(‎ max ‎)‎Solar energy conversion rate‎:‎ 23pctOutput interface‎:‎ 2 USBPanel‎:‎ 3pcsHow to use‎:‎ ‎- Place the solar charger under strong sunlight ‎(‎ such as 9‎:‎00 am to 17‎:‎00 pm‎,‎ different countries have different effective illumination time ‎)‎‎- Angle solar panels toward sunlight vertical direction‎,‎ which makes devices get the maximum conversion efficiency of solar energy‎- Sunlight intensity has a significant impact on the product‎'‎s output power and current‎- Do not cover the solar panels 0.561 Package weight‎:‎ 0.613 kg Package Size‎(‎L x W x H‎)‎‎:‎ 34.00 x 17.00 x 4.50 cm / 13.39 x 6.69 x 1.77 inches Package Contents‎:‎ 1 x Portable Solar Charger Pack‎,‎ 2 x Attached Hook‎,‎ 1 x English User Manual