LB1 High Performance 7W Foldable Solar Charger w/ High Efficient Monocrystalline Panels Dual USB Port - 1 Ultra Fast USB Charging (2.1A) for Amazon Kindle Fire HD 8.9 4G LTE SMART CHARGING TECHNOLOGY Solar recharger can detect what type of device you've plugged in so cell phones, tablets, gaming systems, GPS devices, digital cameras and other devices all recharge as safely and quickly as possible. WON'T WEIGH YOU DOWN! - READY FOR ALL OF LIFE'S ADVENTURES Anti-scratch polyester canvas can stand up to demanding conditions. Polyester canvas outer protects the solar cell from moisture, so you can truly take this solar charger anywhere. SATISFACTION GUARANTEED Get everything you need to recharge your devices with nothing but the power of the sun! It's all backed by an 18-month warranty, so you can buy with confidence.