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Waka Waka solar powered lamp and charger
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)
Juice bar chargers
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.