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Incipio offGRID Portable Backup Battery 4000mAh Review
      #47217 - 10/27/14 06:37 PM

The Incipio offGRID Portable Backup Battery 4000mAh is an external battery charger for mobile phones and tablets. The battery pack is surprisingly small yet can offer plenty of power for smartphones and other mobile gadgets via USB. The battery charger comes in six vivid colors and includes a short USB recharging cable and a band that keeps the short cable on the battery.


The Incipio offGRID Portable Backup Battery 4000mAh is compact and should fit in any gear bag or a purse. Measuring 4 x 2.2 x 0.5 inches and weighing 3.6 ounces, the offGRID is easy and light to carry with you anywhere. The battery has a soft touch surface that enhances the grip and all six colors, including red, yellow, pink, gray, cyan and blue, are intense and attractive.

The Incipio offGRID has only one output USB port and a micro USB recharging port, both on one end of the battery pack. The battery has four LEDs that indicate power levels and charging status, and a power button lives on the edge of the battery above the LED lights. You can use the power button to turn on and off charging and check battery level as well. The offGRID comes with a 9" USB/micro USB recharging cable in matching color and a band that wraps around the battery and stores the charging cable with the battery.


The Incipio offGRID is a 3.7V 4000mAh lithium polymer battery. It has input power of 5V 0.5-2A, and you can recharge it via a computer or an AC outlet. The single full USB output port can offer 2.1A max power, and this means you can charge all smartphones and most tablets using the offGRID. The battery goes to sleep when device is fully charged and you'll need to press and hold the power button to turn on charging. This is a nice feature to conserve the battery's power when it's not in use.

We tested the battery with several smartphones and tablets, and found it could charge most smartphones 2-3 times of a full charge and top up 50% of a large tablet's charge. The battery charged our iPhone 6 3 times, taking about 2 hours to fully charge the iPhone 6's battery from 10% to full. The battery filled about 50% of the iPad Air's battery in about three and half hours. The offGRID took about 5-6 hours to recharge from empty to full using AC power.


The Incipio offGRID Portable Backup Battery 4000mAh is a handy external battery for your smartphone and tablet. It's a good travel companion if you need your phone charged often as it can fill up most smartphones' batteries 2-3 times with fast charge support. It comes in handy for topping up your tablet in a pinch too. We love all the color options and the nice compact form. The Incipio offGRID carriers one year warranty.

Editor's Ratings (1-5): 4.5
What's Hot: Compact and light, nice colors, good amount of power for smartphones.
What's Not: Charges only one device at the time.
Price: $49.99
Web site: Incipio

Reviewed by: Tong Zhang


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