1、The surface is made of durable Oxford cloth, and the fabric is surface‑polished and designed for outdoor use. 2、Waterproof and has the characteristics of abrasion resistance, water resistance, sun protection, and mildew resistance. 3、With high conversion rate and intelligent circuit, the voltage can always be maintained at 5V when USB is output, matching the output stable current, and will not damage the charging equipment. 4、Easy to carry, it is foldable and looks like a small bag after being folded, which is very lightweight. 5、With intelligent recognition and wide compatibility, it can charge mobile phones, tablets, computers, digital cameras and other charging devices. 6、It can withstand all weather conditions and is very suitable for camping, climbing, hiking, picnics and other outdoor activities. Please note that the junction box is not waterproof, please keep it dry. Item Type: 15W USB Foldable Solar Panel Material: Monocrystalline + PET + Oxford Cloth Fabric Unfold Size: Approx. 685x185mm / 27.0x7.3in Fold Size: Approx. 185x115x20mm / 7.3x4.5x0.8in Product Weight: Approx. 405g / 14.3oz Maximum Power: 15W Vmp: 5V Maximum Current: 1A Output: USB 5V (built-in voltage regulator) Charging Temperature: -20~70℃ Waterproof: IP65 Conversion Rate: 18~19.5% Application: It can be used to charge mobile phones, mobile power supplies, laptops, tablets, GPS, cameras and other devices. 1 x Solar Panel Folding Bag 1 x Chinese and English Manual 2 x Buckle