When you have theYELL BPS30 Green with integrated Micro USB Cable 2.1 A - 3000 mAh with you, your smartphones, music players and other USB-powered devices will never die out on you. Particularly useful when you're on the move, this compact and fashionably coloured power bank will provide optimum charge to your device. It has a large 3000mAh rechargeable battery that packs enough juice to charge your device several times. With dual USB output, you can charge two devices in one go. If you want to check how much battery capacity remains, just shake or tap it and the four LED lights will inform you. iPhone 5, HTC One, Samsung Galaxy S4 are some of the many devices that can be charged using this Energy Pocket. 

Features:

• Appealing colour
• Ultra-slim body
• Compact enough to fit in your pocket
• Built-in micro USB connector for convenient charging
• Shake or tap to display 4 LED lights showing remaining battery capacity
• Dual USB output provides simultaneous charging of two devices at once with a combined output of 2.1A
• Stops the battery from over-charging, over-current and short-circuit protection 
• Micro USB has an output of 5V-1.2A while USB has 5V-1A
• Battery Capacity of 3000mAh
• Compatible with most smartphones and other USB-powered devices