It’s lithium ion battery has the capacity of 20000 mAH, so you can charge your phone 4 times in a day. The battery is strong enough to last for more than 1000 recharge cycles. Moreover, you can charge this battery either through sunlight or through the given outlet. While QiSa might not be as popular as other power bank brands out there, it can still be a great option because it offers various handy features with its heavy-duty power banks. If you want a high capacity power bank, then you can consider the QiSa solar power bank. You get a capacity of 35800 mAh with this power bank, which is much higher than all other options in this article. This is combined with a pretty decent maximum output rating of 15.5 watts. A great thing about this power bank is that it also offers wireless charging support while being waterproof. Full USB-C PD support ensures that both PowerCore 25600 III USB-C PD 60-watt and PowerCore 25600 USB-C PD 87-watt support fast-charging for the latest Samsung S/Note/A smartphones etc and all the Google Pixels including latest Pixel 6 Pro, 6, and 5/5a, 4/4a etc.

Of course, this is a very high capacity power bank at its starts at a 26,800mAh power capacity, but let’s see how much of it you’re actually able to use. Which of course, will still be a lot even after the conversion of power. At night time, the power bank will be used for charging iPhone X, iPhone 8, and also a very low power Bluetooth headset Schuberth SC1 Advanced Bluetooth headset (I have a feeling this headset draws less that 1amp when charging, as I am currently struggling to make my existing power bank stay on, without automatically turning off because it thinks the unit is charged due to low power demand). Possibly a camera too, and might be nice to be able to charge a MacBook or iPad too, but this is not critical. USB-C input allows you to charge the powerbank with your iPhone/Samsung USB-C charger directly in 6-8 hrs All of the charging ports are together, except for the Micro-USB input port that’s only on the long-length side. There’s also a power button and four Blue power capacity indicators on the side of the power bank. You do have to press the power button to begin charging. Build Structure and Material:The best power banks you can buy in 2023 1. EnergyCell Portable Charger 5000mAh: Best cheap power bank In terms of charging, this massive power bank can charge an iPhone 15 more than five times. It can charge a big Galaxy S23 Ultra's 5,000mAh battery three-and-a-half times. Best of all, it charges at the fastest speed available on most of your favorite phones (excluding Oppo/OnePlus's unusual SUPERVOOC battery). If you’re going to be storing your power bank for an extended period of time, you should leave it with a charge somewhere around 50 per cent. How long does a power bank take to charge? There is one exception. After 30 or so partial charges, you should allow lithium-ion batteries to almost completely discharge. Repeated partial discharges create what is known as a digital memory, decreasing the accuracy of the device’s power gauge. The full drain then a full charge will allow the power gauge to be recalibrated. I don’t use my power bank often, how should I store it? Power three devices at the same time through triple powerful I smart 2.0 USB ports, faster & safer. Benefit from the impressive total 5.5A current and maximum 2.4A Output for each port to achieve the Optimized charging efficiency.

You want a more portable option: Because of its combo nature, the Anker 733 is a bit bulky and cumbersome, but if you use it both ways, it's worth the trade-off in size to have such a useful device. Although the rated capacity of 10000 mAh offered by this solar power bank is a bit low compared to others. Thankfully, Blavor has offered almost everything else in this power bank, including dual USB ports, USB Type C input, flashlight, compass, and even a wireless charger. Since Blavor is a bit popular and reputable, it offers a 1-year long warranty with it. The Anker Prime series of Power Banks, including the Anker Prime 27,650mAh Power Bank (250W) and the Anker Prime 20,000mAh Power Bank (200W), are for people who truly love to geek out on power banks. If you came looking for the absolute best power bank you can buy, this is the best we've tried. Speaking of the ports, it comes with 4 output ports, which is quite high compared to others. This can be quite handy to get the most of the 26800 mAh battery capacity offered by this solar power bank. A great thing about this Riapow solar power bank is that it is quite reliable thanks to its 1.5-year long warranty despite having a lower price tag than others. Feeke is a relatively small brand. Nevertheless the brand manufactures and sells quality products that are right there at the top along with other popular brands’ products.While the Zendure SuperTank Pro 100W can be held in the hand, you certainly can't wrap your fingers around it and it is still pretty heavy for a power bank. (Image credit: Tantse Walter)

Best For: Those looking to carry a power bank only as an emergency measure to be used every now and again. Those who perhaps might need a top up before going from work to a night out perhaps. Medium (from 3500- 10000 mAh)

Why You Need a Power Bank

Offer up to 87/60 watt USB-C PD charging for Macbook Pros/Airs and Dell/HP/Microsoft/Lenovo laptops Everybody on our gift list who got a new iPhone is going to get an Anker Nano Power Bank (22.5W) this year. This cute little charger is perfectly sized to sit beneath your favorite smartphone, plugged into the USB-C port with a little plug that opens out or hides away for a sleek look. On average, you’re really able to use about 20,000mAh of the capacity on this charger, we know that this is substantially lower than what the power bank starts out with, but it’s still a lot of power to be used. We can’t make a single product recommendation here as there are too many variables at play. Hypothetically, the power bank that lasts the longest will combine the following three things: