Usb backup charger full#
Usb backup charger portable#

No complaints' said one customer who rated it 5 out of 5 stars. It'll recharge a kindle AND a smartphone. 'It's significantly larger, but with 4 times the charge capacity of the usual little cylinders. The updated model of the Poweradd Slim 2 (opens in new tab) currently has been reviewed over 500 times and received a 4.4 out of 5 rating on Amazon. And at 4.4 ounces, it's a touch lighter than the 4.7-ounce Anker PowerCore 5000.

Usb backup charger portable#

So, how did the Poweradd stick make it this high on our list of the best portable chargers? It's often the cheapest on this list, typically sitting at around $10.99 (that's almost over half as much as similar chargers). And that difference isn't worth dinging it over. In terms of internal capacity, the Poweradd didn't actually beat the Anker, but was within the margin of striking distance, at 97% to 105%. The Poweradd won on 1-hour charging (67% to 62%) and lost on the 15-minute window (16% to 19%). And (again) the numbers between the Poweradd Slim 2 and the competitive Anker 5000 mAh stick are close. Sometimes you just want the ease of mind of a small cylinder of juice.

Usb backup charger full#

Not everyone needs a full brick that can get their phone fully charged. Most importantly it works! Fast charging, enough capacity to charge my phone multiple times over multiple days, and withstands plenty of me dropping it and yanking the cord out awkwardly and accidentally.' 'I like the solid and sleek construction. This product has been reviewed by nearly 50,000 customers on Amazon and has been rated 4.6 out of 5 stars. If you only need to charge one device at a time, and the sale pricing makes the Slim 10000 that much cheaper than the INIU, go for it. These bricks are so close, practically within margins of error in testing. That's because its charging times were so close to the INIU brick (21% in 15 minutes, 76% in an hour) and its overall time to fill an iPhone 12 was 4 minutes shorter, at 1 hour and 56 minutes.īut it's so close to the INIU that we have to keep it as the #2-ranked portable charger. But it would have taken the top slot had it had that second USB-A output port. Our number 2 pick (still one of the best portable chargers) is the Anker PowerCore Slim 10000, which is a bit heavier than the INIU 10000 pack (7.3 ounces to 6.9 ounces). I have charged my phone over 4 times and haven’t had to charge it! That is including just leaving it in my bag for weeks until I need it again. 'I love this portable charger! I didn’t think it would be a good idea, because normally your portable chargers die within the first charge it does. This charger has been reviewed by over 9,000 customers on Amazon and has been rated 4.7 out of 5 stars. INIU also has a longer warranty: its 3-year plan is twice as long as Anker's 18-month window. Both chargers refilled about 2.2-2.25 iPhone 12s, so it's practically a dead heat. It only failed to beat the Anker to fill a complete phone once, putting up a 2-hour time, four minutes behind the Anker. And since that second port can be the difference between powering a secondary device while you charge your phone (or helping a friend out when they need it), we're giving the INIU the overall nod.įor a brand we're not that familiar with, this INIU charger stood up in 15-minute and 1-hour timed charging (at 22%, 78%), with times that were within 1-2 percentage points ahead of the PowerCore Slim's times. Not only did its charging times and speeds sit near the top of the chart, but it's got 2 USB-A output ports to the Anker PowerCore Slim 10000's single USB-A charging port. This brick is one of the best portable chargers. Even if your phone is on our longest-lasting smartphones page, you could benefit from this portable insurance package on your next outing.Ī shocking upset for the top slot, Anker (the typical standard-bearer) lost to INIU's 10000 mAh charger. This includes what chargers offer which kinds of ports, and how many, so you can even charge multiple devices at once. So, if you're always trying to keep your phone at 100%, or worry about running empty in the wild, we've got the details you need. We tested each charger in four different ways: how much of a charge it added in 15 minutes, how much it added in an hour, the time it took to refuel an iPhone from dead to 100% and how many times it could refill the same iPhone 12 from dead. Our testing was performed on the same iPhone 12, with its brightness set at 100%. While these specific portable chargers regularly appear on bestseller lists, they're all different in a number of important ways.

Testing involves seeing how fast devices charge and how many full phone chargers each power bank stores.

We've done a battery (pun intended) of tests on some of the best and most highly rated portable chargers on the market, pulling from both big brands and popular competitors.