ZAGG, the people with the invisibleSHIELD skins for gadgets, has a 6000mAh extended battery that works with any device that charges with a USB cable. The ZAGGsparq 2.0 has a rechargeable lithium-ion battery; the power plug to recharge the unit is built in to the ZAGGsparq 2.0, so there’s no extra cable to carry. There are two USB ports – the top one is optimized for Apple products and the bottom is optimized for standard USB. The ZAGGsparq has enough power to completely recharge a typical smartphone about four times and to bring an iPad from 0% to 60% in the same time as the standard Apple charger. There’s an LED display to show the amount of power available in the ZAGGsparq 2.0. You can charge multiple devices at once: maximum output is 2000mA @ 5V. The ZAGGsparq 2.0 is 3.5 x 3.5 x 1 inches and weighs about 8 ounces. It’s available from ZAGG for $99.99.
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I ordered one of these. It arrived DOA. I did a little more research and found I’m not alone with this problem. To make matters worse, ZAGG are trying to charge me for shipping the defective unit back to them.
If you still insist on buying this you can easily get a 50% discount directly from ZAGG just by entering one of their many online contests.
ZAGG’s InvisibleShield product line is awesome, and I have these protecting all of my portable devices. The ZAGGsparq…not so much.