If you travel with several gadgets that all charge from a USB port and you need extra runtime, the Lenmar Helix might be interesting. This device is a portable battery pack that features an internal 11,000 mAh rechargeable battery. It also features three USB ports allowing you to charge up to three devices at one time.
One of those USB ports has an output of 2.4 A making it suitable for charging tablets like the iPad. The other two USB ports have standard one amp outputs for smartphones. The battery pack has LED indicators in the front to show how much power is left inside and it recharges via an included micro USB cable.
The battery pack also has a dedicated on-off button. The manufacturer promises that the battery pack can help your smartphone run up to seven times longer. The battery pack is available now for $99.99.
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