(The adapter is less useful in this instance since this charger already has two USB-A ports, but the accessory is still nice to have.) This model’s screen is smaller and less informative than that of our top pick, merely showing the remaining battery life, but it’s bright and easy to read. Like our top pick, the Einova comes with a USB-C cable and an adapter to turn a USB-C port into a USB-A port. It’s one of the slimmest and lightest models we tested, weighing just a pound, and its fabric exterior gives it a stylish look and added protection from scuffs and scratches. Its capacity rating is somewhat lackluster at 20,000 mAh, but since that’s enough to fully charge most laptops at least once, we still think this power bank is worth recommending. One of its two USB-A ports can pass up to 15 W of power to a phone or other handheld device, while the other got up to just 12 W in our testing. It has a single USB-C PD port capable of charging a laptop at up to 45 W though that’s ample power to fast-charge a tablet or ultrabook, it’ll charge larger laptops more slowly. If you are on a tight budget but still want to be able to charge a laptop on the go, get the Einova Eggtronic 63W Power Bank. This model comes with two charging cables (one C-to-C cable and one A-to-C cable), and it’s backed by a one-year warranty. Like our top pick, the Omni Mobile 25600 weighs just 1.3 pounds, has a professional look, is easy to use, and is equipped with pass-through charging capabilities thanks to that last feature, you can charge up to three small devices from the USB-A ports or the wireless charging pad while the power bank itself is recharging. And although its output capabilities fall a bit short of what you get from most of our other picks, this charger outshines them all in connectivity options, offering a 60 W USB-C PD port, two 18 W USB-A ports, a 72 W DC port, and a 10 W wireless charging pad, thus allowing you to charge the widest variety of devices when you’re on the go. Its rated capacity of 25,600 mAh is slightly lower than that of our top pick, but it still has enough juice to bring most laptop batteries from empty to full at least once. If you want a portable laptop charger with a round DC port or a wireless charging pad, opt for the Omnicharge Omni Mobile 25600. Its biggest shortcoming is that it doesn’t allow pass-through charging-so you can’t use its output ports to charge other devices while the power bank itself is charging-but if you can live with that unfortunate omission, it’s a great option. It lacks the SuperTank Pro’s information-rich, backlit screen (you won’t see input and output wattage, for example), instead opting for a ring of small lights that signal when it’s charging and roughly how much battery life remains. Its weight is a comfortable 1.2 pounds, and it’s about as ruggedly built, portable, and easy to use as our top pick, though its 18-month warranty is a little shorter. It falls just short of the Zendure SuperTank Pro in most key performance areas, with a 25,600 mAh capacity rating, two USB-C PD ports that (as we confirmed in our testing) deliver up to 87 W, and two USB-A ports that can charge at 15 W. If you don’t already have a USB-C wall charger rated for at least 30 W, you should get the Anker 747 PowerCore 26K, which comes with a high-quality 65 W charger and USB-C cable in the box. But its stellar overall performance greatly outweighs all of those weaknesses. This model’s biggest downsides are its blocky shape, its lack of native USB-A ports, and the fact that it doesn’t come with a wall charger. Zendure backs the SuperTank Pro with a two-year warranty and includes a hard-shell carrying case, a charging cable, and an adapter that helpfully converts a USB-C port into a USB-A port. It’s lightweight, at just 1.3 pounds, and it offers several premium features: a bright and informative OLED display, a protective and professional-looking exterior, and pass-through charging capabilities. With a rated capacity of 26,800 mAh or roughly 100 Wh-the highest allowable capacity for a power bank in a carry-on bag, per TSA regulations-the SuperTank Pro has enough battery life to fully charge most laptops at least once or to charge smaller devices several times over. The other two ports, capable of charging at up to 20 W, are sufficient for topping up most phones and other handheld devices at max speed. Two of the ports can deliver up to 100 W, which is enough oomph to charge most laptops (or recharge the power bank itself) as fast as physically possible. The Zendure SuperTank Pro has four USB-C PD ports that are as powerful as any we’ve tested.
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