Backpack, Roll Top size 21” x 17” x 8” Long size 30” X 17” 1- backpack COLR BLACK 1-SOLAR PANEL SIZE 12” X 7”1-BATTERY DURATION 6 TO 8HOURS Input:5V/1A Capacity 5000mAh EXTRA CABLESFREE SHIPPING Backpack, Roll Top W/ solar panel $169.95You save $130.25 (84%) – High quality polyester material, waterproof, wear resistant, lightweight and durable. – Detachable solar panel design, convenient for you to charge your mobile phone or tablet. – It comes with plenty of pockets and compartments for maps documents and basic equipment. – A detachable solar charger with a voltage stability controller for GPS systems, MP3 players, Bluetooth speakers and more! – Adjustable chest strap, shoulder straps and breathable mesh backing for comfortable carry. – Suitable for backpacking ,camping, hiking, cycling, travel, climbing or other outdoor sports activities.Specification: – Material; Polyester – Bag Size (L x W x H): Approx. 42.5x 41 x 20cm / 19 x 16.5 x 8 inches – Solar Panel Size : 18 x 32 cm / 7” x 12.5” inches – Capacity: 5000mAh- Voltage: 5V – Current: 1A – Peak power: 6.5WWe offer a 100% Satisfaction Guarantee. Any question ,please contact us freely .Buy more, Save more! Package includes: 1 Piece Backpack1 Piece USB Solar Panel 1 piece Battery with duration of 6 to 8 hours1 Piece USB Cable1 Pieces Cables kid’s