RavPower 14,000mAh Portable External Battery Charger Review

Discussion in 'RavPower.com' started by TerenceL, Oct 10, 2013.

  1. TerenceL

    TerenceL Member

    Jul 4, 2013
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    San Jose

    Here is a deal, the external battery market becoming more crowded every month. You see brand names you never heard of popping up with their products offering some crazy capacity for a cheap price. In reality a lot of these don't deliver the promised capacity, and the battery itself is cheaply made. Plus, they offer questionable warranty. Only a few companies really deliver a quality product and stand behind what they sell with a great support, and RAVPower is definitely one of them.

    This 14000 mAh battery is not exactly featherlight at 290g and 120mm x 80mm in size, but it's compact enough to fit in khaki pants pocket or average size purse. It's very slick and relatively slim at 17mm, and will make it a good companion on the trip when you planning to be away from a power outlet for awhile. To make your traveling easier, the battery comes with a nice traveling velor bag and actual 2 sets of coiled usb cables with micro-usb, mini-usb, and 2 30-pin apple adapters. Typically these external batteries come with only one set of cables, so it's definitely a bonus. Also, with such high capacity it's absolutely a must have if you live in the area where you loose power quite often and need to keep your phone and tablets charged up during blackouts. And speaking of blackout, the battery also has a built into LED flashlight which on a full charge will last you for many hours. Overall, the build quality is very solid and I especially like the matte finish which keep the fingerprints away.

    Now, about the ports. To charge it up you can use one of the included cables with micro-usb attachment. The input is 5V with a fast charging speed of 1A, and you can use any wall or car charger. I would not recomend charging it from computer usb port since those typically offer 500mA and it will take twice as long to charge the battery. Still, you have to keep in mind - this is very high capacity battery so for 14000 mAh with a charging speed of 1000 mA (1A) it will take you 14h to charge it up. Once it charged up, you have 2 full size USB ports that can deliver a combine current of 3A. I know the ports are labeled 1A and 2A, but I was able to draw almost 2A of current from either of the ports. Since you can charge 2 devices at the same time, it's just a guidance to let you know that internal safety circuit will not output more then a total of 3A of current. Regarding the total capacity, you have to be aware that EVERY battery rating is based on internal cell capacity. To get to your phone or tablet it will have to go through USB port and 5V conversion. This means that EVERY single external battery will actually deliver about 70-80% of the actual capacity because of inefficiency of port conversion. There are NO exception, every battery does that. So for all those reviewers calculating by taking labeled capacity and dividing it by the size of your battery - that's not exactly correct math. But nevertheless, since every battery works the same way - the higher the stated capacity the more charging power you will get. So with this battery you can definitely count on about 11000-11500 mAh of true power delivered to your phone battery. These numbers should be your starting base for any calculation.

    Overall, this is one of the best values for the highest capacity battery from a company you can really trust. It's truly universal to work with any smart phone or tablet, you can use it to charge 2 devices at the same time, and offers a bonus of built in led light. I definitely recommend it!

    Amazon.com: RAVPower External Battery Pack External Battery Charger Pack (14000mAh Deluxe) for iPhone 5, 4S, 4, iPad 4, Mini;Samsung Galaxy S4, S3, S2, Note 2; HTC One, Incredible, Droid DNA; Motorola ATRIX, Droid; Google Nexus 4, Nexus 7, Nexus 10 -
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