Product Details: the solar may be different then the one pictured! Same back pack . If you are looking for a solar backpack but not as big as the Voltaic Off-Grid Solar Backpack then the Converter Solar Backpack is great choice. The Converter Solar Backpack is a great way to conveniently charge your electronic devices like cell phones, GPS units, Portable gaming devices and much more! Solar power is the future and it's here now. Did you ever think there would be a day when you could charge your iPhone with solar power? With the Voltaic Converter Solar Backpack you can now charge your iPhone, Blackberry, HTC Evo, Palm Pre and many other popular cell phones and smart phones to Garmin GPS units or portable gaming devices such as Nintendo DS or Sony PSP! (Click on the Compatibility tab to see more compatible devices). The portable solar charging options are endless with a Voltaic Solar Backpack like the Converter.  •6 hours in the sun fully charges a typical phone, 1 hour provides about 75 minutes of talk time.•Ideal for solar charging mobile phones, iPods/mp3 players, iPhone, smartphones/PDAs, portable gaming devices, GPS units, digital cameras, Bluetooth headsets, and more.•Includes a 4,000 mAh Universal USB Battery so you have back up power when the sun goes down. The battery can also be charged using the USB power cable via a computer. Battery will fully charge in 9 hours in direct sun and 5.5 hours from USB to computer or laptop and will provide you with up to 19 hours talk time or 48 hours music playback.•A 3.4 watt monocrystalline solar panel provides you with a maximum output of 6 volts.•High density padding in the shoulder straps and back. Mesh backing material for better air flow.•Plenty of interior room with (970 cubis inches [16 liters]) one main compartment with 4 interior pockets, a pocket for an iPod or sunglasses, a fully padded dedicated laptop sleeve and a front pocket for charging small electronics.•LED indicator lights show that the solar panels are providing a charge.•The fabric shell is made from recycled PET (soda bottles) which is waterproof, lightweight and UV resistant making this solar carrying case better than any other because it was also made with the environment in mind.•The Converter Solar Backpack - Solar Bag comes with the Converter Solar Backpack with a 3.4 watt monocrystalline solar panel , 1 - Universal USB Battery Pack, Set of 2 device tips for the most popular devices, and 2 Year warranty on bag or case and panels, 1 year warranty on battery.•The Voltaic Converter Solar Backpack includes the MINI and MICRO USB tip for the latest smart phones like the EVO HTC, Motorola Droid, and other Android phones as well as Blackberrys.Bag Dimensions:18" high x 12"wide x 6" deep (46cm high x 31cm wide x 15cm deep)Weight:2.4 lbs (1,090 grams) including battery and solar panels.Bag Volume:970 cubic inches (16 liters), enough room for a laptop and gear for a day trip.LED Indicator:LED in logo illuminates when light hits the panelsFully padded, dedicated laptop sleeve:Fits up to a 17" laptop (17" MacBook, larger 17" laptops may not fit).Wire channels:placed throughout the bag for headphones, water bladder tubes etc.Bag Comfort:High density padding in the shoulder straps and back. Mesh backing material for better air flow.Fabric:600D shell made from recycled PET (soda bottles),which is waterproof, lightweight and UV resistantManufacturer Warranty on Bag and Panels:2 YearsSolar Charger Specifications:Solar Panels:3.4 watt monocrystalline solar panelPower:3.4 watts total peak output at 6 VoltsCharge Times:6 hours in the sun fully charges a typical phone, 1 hour provides about 75 minutes of talk time.Manufacturer Warranty on Solar Panels:2 YearsUniversal USB Battery Specifications:Model:V15Weight:4.4 oz (126 g)Output:5 V, 1000 mAInput:5-6 V, 1000 mACapacity:15Wh, 4,000 mAhBattery Type:Lithium PolymerCharge Time:In direct sun, fully charges in 9 hours from 4 Watts and in 11 hours from 3.4 Watts of solar panels. Can also be charged using any USB port or optional DC or AC chargers