imuto 20000mAh Compact Portable Charger Power Bank USB C PD 20W External Battery with LED flashlight Fast Charge Battery Pack for iPhone 14 13 Pro Max, iPad, Samsung Galaxy S21, Pixel, Smart Phones

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The mAh rating is the thing to look out for – this is the storage capacity available for a particular battery. Nevertheless, the quick charge function of the iMuto should also be of interest to Apple users, because accelerated charging not only works with the connected smartphone or tablet, but also the power bank itself can be charged quickly via QC 3. Like most high capacity power banks, this one is reliable if you want constant power without the constant recharge. Using the Anker Prime power bank, we were also able to test the charging speed claims of other power banks, as the Anker Prime will report charging speed in wattage. It’s a heavy power bank that may look small but it’s going to be cumbersome to carry around and as result, you’re going to want to set it down if you want to use it.

In my opinion, a sharp drop in voltage is a sign that the battery is reaching its limits in terms of performance or that the charging electronics are not working properly.Why we like it: The best looking of the lot – and capable of providing a MacBook Pro with a 40pc power boost. Although the charging speed could be better in comparison to power banks like the Anker PowerCore 20100.

For now, though, charging 2 smartphones; or 1 tablet and a smartphone won’t pose any charging speed complications.

Frankly, the power-to-weight ratio for this little power bank isn't very impressive, it's heavy for the slim 3,000mAh power that it offers. It’s a small high capacity portable charger but don’t let that fool you because the weight is 1 pound. The power capacity does a good job with staying near its Initial power capacity and just losing a few thousand, but it can still provide plenty of charges to smartphones and just a few charges to tablets.