REASONS TO BUY
Extremely convenient
Decent capacity
REASONS TO AVOID
Not as portable as others
Very slow recharge time
Q Slim Power Bank Pro 10000 mAh Review
If you want a charger with integrated cables for all sorts of different devices, then this is the power bank for you
Credit: Jenna Ammerman
By Austin Palmer ⋅ Senior Review Analyst ⋅ March 7, 2022
Contributions From: David Wise & Jenna Ammerman
Our Verdict
The Q Slim Power Bank Pro 10000 mAh is a great power bank if you want to reduce the clutter of carrying long cables. This model not only has an integrated wall plug for recharging, but it also has a complete set of integrated cables — USB-C, Lightning, and Micro-USB. It's fairly portable and scored well in our capacity tests, but the battery itself takes quite a long time to recharge. However, we highly recommend it to anyone who doesn't want the hassle of keeping track of multiple cables with their portable battery and never wants to be caught without one.
Our Analysis and Test Results
This charger really distinguished itself with its exceptional convenience factor. It's one of the first we have seen that includes the full trio of integrated charging cables, in addition to the integrated 120-volt wall plug for recharging the battery itself. These combine to make the Q Slim exceptionally handy, as you can just throw it in your bag for an all-in-one charging solution without a convoluted clutter of cables to go with it.
The Power Bank Pro by Q Slim is an amazingly convenient charger to use.
Credit: Jenna Ammerman
Portability
The Q Slim isn't the most compact battery we have seen, but it is still quite easy to carry around.
Roughly average in volume, this charger occupies a footprint of 6.3 inches long by 3 inches wide by 0.63 inches thick. The Slim Q also isn't overly heavy, tipping the scales at just over half of a pound.
Though it has a longer profile than some, it's still fairly comfortable to carry around in your pocket, feeling astonishingly similar to one of the larger smartphone models. It's hardly noticeable while sitting if it's in a back pocket, and it isn't overly uncomfortable in the front pocket of a pair of pants. Basically, it fits just about anywhere a smartphone does.
Charging Efficiency
The Q Slim has a maximum power output of 2.1 amps, and we were able to pull 6,595 milliamp-hours out of this portable power pack before it called it quits, or around 66% of its stated capacity. We got a little more juice out of it when we dropped the power draw to one amp — about 424 more milliamp-hours — before the Q Slim completely died.
The manufacturer of this power pack claims that it can charge most phones 2.4-4 times, which we found to be an exaggeration. In our tests, this phone charged a Samsung Galaxy S8 2.27 times before dying. It might make it for four full charges on older and smaller smartphones, but we would guess that you can't count on much more than two full charges with a newer phone.
This Power Bank Pro did quite well in our charging capacity and efficiency tests.
Added Convenience
The Q Slim 10000 mAh earned a top score for its phenomenal performance in this group of tests. This portable power bank has three different integrated device charging cables — a micro-USB, an Apple Lightning, and a USB-C.
The Q SLim has all three major types of charging cables built-in: micro-USB, USB-C, and Lightning.
Credit: Jenna Ammerman
It also has a fold-out, 120-volt wall plug for recharging the power bank, though you can also use a separate USB wall adapter and a micro-USB cable if you prefer.
The Q Slim also has a single USB output port if you need to charge a device with a proprietary cable and a micro-USB input if you want to charge it with a wall adapter instead of the integrated wall plug.
Credit: Jenna Ammerman
It can charge multiple devices at the same time but has a maximum shared power output of 2.1 amps, so you won't be able to fast charge two smartphones simultaneously, nor a tablet and smartphone. It has the standard four LED battery level indicator as well.
The battery charge indicator on the Q Power Bank Pro.
Credit: Jenna Ammerman
Unfortunately, this battery pack lacks an integrated flashlight, and as far as we can tell, there is no warranty from the manufacturer. However, it's not terribly expensive if you end up needing to replace it, or you can always purchase it from a third-party retailer that offers their own warranty.
The integrated wall plug is handy but slow to recharge the Q Slim.
Credit: Jenna Ammerman
Recharge Time
This battery has one of the longest claimed recharge times of the entire group, with its manual stating that it takes around eight hours to completely recharge. However, we found that it took even longer, charging completely in just under 10 hours in our test.
Should You Buy the Q Slim Power Bank Pro 10000 mAh?
If you seek convenience above all else, you should definitely check out the Q Slim Power Bank Pro. Its trio of integrated cables means that you will always have the right cable on hand and don't have to fiddle with a mess of cords — but note that you won't be able to fast charge multiple devices simultaneously. Additionally, this battery takes an exceptionally long time to recharge using the integrated wall plug.
The integrated cables on the Q Slim let you charge multiple devices at once.
Credit: Jenna Ammerman
What Other Portable Chargers Should You Consider?
iPhone users seeking exceptional portability and convenience should check out the Clutch Charger, which is super lightweight and thin and includes a built-in lightning cable. If you're looking for a bargain, consider the 2-Pack Miady 10000, an affordable two-pack of chargers. We also love the simple and exceptionally portable Anker PowerCore 5000.
—Austin Palmer, David Wise, and Jenna Ammerman
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