You can find out many nice power banks on our blog, but if you need a combination of backup battery and USB wall charger, the following juiceBee may be more suitable for you.
The juiceBee is a multi functional power bank that measures 90 x 36 x 33mm and weights 70grams. As we can see from the images, the power bank features ultra compact and sleek design, most importantly, in addition to the backup battery with 3000mAh capacity that can charge your mobile devices on the go, the power bank also features a detachable USB wall charger that allows you to recharge the backup battery, directly charge your mobile device, or charge both at the same time. Apart from that, the backup battery also has an integrated USB connector in order that you can plug it into a USB port for charging, and also features built-in LED flashlight and newly added microSD card reader. After the break, check out the following demo video.
At present the inventor of juiceBee is raising fund at Kickstarter. Pledging $39 will let you own the 2-in-1 backup battery and USB wall charger. If you’re interested, jump to Kickstarter official site for more details.