The Waka Waka solar powered lamp and charger both charges your devices and works as a lamp powered by the sun.
The manufacturers say that one a single charge -- through a days' worth of sunlight -- the lamp will function for up to 40 hours. You can alter the amount of brightness and play around with different settings, and when the gadget gets low on energy, 4 LED lights will tell you.
The solar cell, a Sunpower model, is said to perform at an efficiency rate of 22 percent.
The product is available in black or yellow.
Price: £59.99 ($100)
If you're on the go, an external battery for charging your gadgets can become a lifesaver. On offer from Juice is the solar-charged Juicebar, which can be charged via USB or through sunlight as a cleaner alternative. The 2000mAh rechargeable Li-ion battery is compatible with a number of USB-based devices.
The Birksun Atlas Blue backpack is a tough, 20-liter container with an inbuilt solar power for charging your gadgets on the go. The six-watt solar panel powers a 2,400mAh battery, and one hour of sunlight is able to generate roughly a 25 percent charge for smartphones, connected via a range of USB connectors.
Logitech's K760 keyboard, suitable for the Mac, iPad or iPhone, is a wireless accessory that is charged by any type of light, including the sun, lamps, indoors or out. Once fully charged, it is able to work for three months.
Price: £69.99 ($116)
Solarmio's solar-charged Kindle cover has a built-in solar panel at the front of the cover, which charges a reserve battery for an integrated LED reading light. The reading light turns on automatically when released from its housing, and turns off when the Kindle is placed in to sleep mode.
The Eton Rukus portable Bluetooth wireless speaker system is a solar-charged speaker system with an inbuilt solar panel which is useful for keeping your music on if you're out during the day or enjoying a picnic. Via Bluetooth, you can connect the speakers to your mobile devices -- or charge them through a USB connection.
The power bank is a high-power emergency charger for your devices. The product has a built-in 2600mAh lithium polymer rechargeable battery which, once a 0.6W solar panel is exposed to sunlight, can charge devices including smartphones and tablets. The charger has a window-mounted design for quicker recharging.
KudoSol's iPad Air Black cover is a solar-powered charger for your phone or iPad -- built within a protective case. The folio case complete with a Lightning pin docked inside, provides an additional 5,000mAh of battery power within the case's lining. The solar panel generates 2.3W of power, which is roughly 30 minutes of additional tablet use.
An educational toy for children, the 6 in 1 Solar Robot Kit is a cross between science and creation - with six models including a windmill, plane and puppy possible to build. The toy can either be powered by the sun or through a 50W halogen bulb, and is suitable for children of 10 years or older.
Goal Zero's Yeti 150 Solar Generator is a plug-and-play power generator for emergencies or for time outdoors. Lights, laptops and mobile devices are among the items that can be powered through the portable system, which can be recharged through batteries, an electrical socket, car or solar charger -- although the latter must be purchased separately.