Power banks for smartphones and other devices are becoming the new must-have gadget for those of us who are on the go all day and get a lot of use out of our phones. If you're not at a computer all day or working near an outlet, charging your phone on the go can be difficult, and that's where power banks like this one come in. This power bank from Jackery is easily the largest one I've used, both in terms of actual size (about the size of a large chocolate bar) and in terms of how much charge it can store. You can recharge most smart devices up to seven times on one full charge with this power bank, easily enough to get you through an entire day or even a week without needing to charge again.

This power bank has two USB ports that can be used simultaneously, and even when charging two devices at once I found I got great charging speed. Even compared to all my other chargers, this power bank was by far the fastest I've tried. It has four lights on top which tell you what the power level is at, so you know how much juice you have left and how much longer until the power bank is fully charged. My one gripe with this product is the fact that those lights did not come on when charging my phone, so I wasn't able to check the power bank levels as my phone charged.

From an aesthetic perspective, this power bank is definitely appealing. Most of the time they're plain grey or black, but this one is a bright metallic orange. It's a bit heavier than the standard power banks I've used, but not so heavy that it would be difficult to carry in your pocket or bag. It's also lighter than a smaller mAh power bank I recently tested, so I can tell they've tried to make it as lightweight as possible with such a large charge being held in it.

Overall, I've been very impressed with this product. It sells for a great price considering the value you'll get out of it, and it definitely does a great job of keeping my phone going all day.

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Pros
+ Charge smartphones to full up to 7 times per full charge.
+ Dual output allows you to charge two devices at once.
+ Sleek design and nice metallic orange case.
+ Extremely fast to charge smartphones .
+ Very light considering the charge it holds.
+ Showed no faults or issues during extensive testing.

Cons
- Lights not on when in use to check power levels remaining.

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Recommended: If you're in need of a power bank I would say skip cheaper options and spring for this. Out of the power banks I've tested so far, it's my definite favourite.

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Note: I received this product at a discounted rate in exchange for an unbiased, honest review as provided here. As a consumer advocate, I believe in providing quality and honest feedback and receiving a product at a discounted rate will never affect my opinions.