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Smartphones have come a long way in a decade. The latest and greatest from companies like Apple, Google, and Samsung come with beneficial smart features that help increase productivity in your daily life and, in some cases, can even outperform PC chips from Intel. If there’s one area where smartphones have yet to evolve, it’s their battery life. Though top-of-the-line smartphones offer decent battery life to get you through almost an entire day, the problem has only been solved by squeezing larger batteries into the device instead of inventing new battery tech or developing more efficient processors. Larger battery capacities do help your phone last longer, but they increase the size and weight of your device, making your phone even harder to use in one hand. Instead of opting for an expensive phone that won’t guarantee the most premium battery tech available, picking up a portable battery charger is a great alternative. These portable batteries or “power banks” are cheap, replaceable, and easy to throw in your bag, offering you multi-day battery life on a single charge when needed. The external battery market has come a long way in the last decade, making it harder than ever to pick the best batteries from the rest. There are slim and compact power banks on the market that are undoubtedly easy to carry around with you, but if you want one that guarantees several charges throughout the week, you might still want to choose the larger and heavier power bank with a higher battery capacity. Here are the best portable USB phone battery chargers you can purchase in 2022.
You wouldn’t want to invest in a power bank that you will have to keep recharging daily, so choosing something like the Anker PowerCore that has a battery capacity of 20,100mAh ensures that it will last several days before it runs out of juice. This portable phone battery charger can give an iPhone 13 Pro Max a full charge about 4.6 times or four total charges for the Samsung Galaxy S22 Ultra. The power bank can easily fit into your bags, but it isn’t the lightest option out there. You don’t have to worry about accidentally dropping it because it’s made from durable and premium materials. The Anker PowerCore features PowerIQ and VoltageBoost that helps you get your juice back at impressive speeds. It also guarantees that your devices are safe while charging because of its high-quality LG battery cells and Anker MultiProtect safety system. Users can charge two devices simultaneously since the power bank comes with two USB Type-A ports, offering 2.4A output per port. When it’s time to recharge the power bank, it will take around 11-12 hours to get a full charge when using a 2A wall charger. The Anker PowerCore comes with a free travel pouch and micro USB cable. Customers will still need their own USB Type-A to USB Type-C or USB Type-A to Lightning cable to charge their mobile devices.
20,100mAh battery capacityFast-charging thanks to PowerIQ and VoltageBoostMade from durable and premium materialsHigh-quality LG battery cells and Anker MultiProtect safety system
Heavy 
If you plan to go on long trips and want a power bank that will last you several full charges before running out of juice, you can’t go wrong with the Anker 737 Power Bank. It features a battery capacity of 25,600 mAh, and you can use its 18W USB Type-A ports to charge your mobile devices. The power bank also comes with a 60W USB Type-C port that is powerful enough to charge a laptop. Users can expect fast charging speeds because of the power bank’s Power IQ 3.0 charging technology. Such portable chargers can heat up after several hours in use, but you can trust that the Anker 737 Power Bank won’t cause any problems because it has effective heat dissipation materials, high-quality LG batteries, and the MultiProtect safety system. The portable charger comes with a 65W PD wall charger, which is why you’ll pay around $180 for the bundle. Using the included wall charger allows you to recharge the power bank for only 2.5 hours, but it would take about 17.4 hours to get a full charge if you use a standard 5W charger for the power bank. The other freebies included with the Anker 737 Power Bank are a USB-C to USB-C cable and an 18-month warranty.
25,600mAh battery capacity18W USB Type-A ports60W USB Type-C port that can charge a laptopPower IQ 3.0 charging technologyExcellent Heat DissipationHigh-speed chargingComes with a 65W PD wall charger that gives it a full charge in only 2.5 hours
ExpensiveHeavy and bulky
For those who don’t want to spend too much on a power bank, the INIU 10,000mAh Portable Charger would be the perfect choice for you. It only costs around $20, but you’ll have to settle for its 10,000mAh battery capacity. The power bank features a slim design that you can easily fit into the pockets of your jeans or bags. You shouldn’t underestimate how thin it is because it still promises top-notch durability thanks to its 12-layer SmartProtect safety system. Its anti-impact casing allows it to survive accidental drops. The power bank is made from high-grade materials, but if you’re still unsure if you should buy it or not, INIU offers customers a 30-day money-back guarantee and a 3-year warranty in case you encounter any issues. Users can use the power bank to charge three devices simultaneously because it has one USB Type-C port and two USB Type-A ports. The power bank’s UPower+ technology ensures that all three devices plugged into it are charging at maximum speed. Aside from your mobile phones, you can also use the power bank to charge your tablets, AirPods, smart watches, fitness trackers, etc. The INIU 10,000mAh Portable Charger comes with a free travel pouch and USB Type-C cable.
AffordableSlim designTwo USB Type-A ports and one USB Type-C port12-layer SmartProtect safety systemFree travel pouch and USB Type-C cable
Charging speed could be betterOnly 10,000mAh battery capacity
Not all high-capacity power banks come with a jaw-dropping price tag because there are options like the iMuto power bank that come at a budget-friendly price. This power bank features a 20,000mAh battery capacity, so it can charge an iPhone 13 Pro Max about 4.6 times and a Samsung Galaxy S22 Ultra 4 times. It has two USB Type-A ports with a 2.4A output each, and its iM-Power Technology ensures you get the fastest charging speed possible. The power bank is compatible with most mobile devices but won’t work with smartwatches, Bluetooth headsets, etc., with currents under 1A. It’s hard to tell how much juice is left on some standard power banks, but the iMuto power bank is unique because it comes with an innovative digital display. It shows you in real-time how much percent is left in the power bank, so you’ll always know if it’s time to plug it into an outlet or not. The power bank also has a built-in LED flashlight for when you need to light up dark environments quickly. Users won’t have to worry about issues like a short circuit or over-charging because the power bank has smart protection technologies and A-Class Lithium polymer batteries. Upon purchase, customers will get a waterproof travel pouch, micro USB cable, and 18-month warranty.
Budget-friendly20,000mAh battery capacityDigital displayBuilt-in LED flashlightSmart protection technologies and A-Class Lithium polymer batteries
Chunky and heavy
When you like charging multiple devices simultaneously, investing in a high-capacity power bank like the MAXOAK 50,000mAh Power Bank would be the smartest option for you. It comes with four USB Type-A ports to charge mobile devices, but it also has a 12V and 20V port that you can use for laptops. Unfortunately, it will support most laptops except those from Apple. This power bank ensures you can charge top-of-the-line devices from Apple or Samsung more than ten times. Since the bank stores a ton of power, you might assume it might take over a day to recharge it, but the brand says it will only take about six to eight hours. Users shouldn’t be afraid of the power bank malfunctioning or overheating when used for an extended period because it has security protections, premium Lithium-ion Polymer battery cells, an aluminum alloy shell, and excellent heat dissipation. One thing to expect with this power bank is its size and weight, but we believe its battery capacity makes them a reasonable compromise. The power bank comes with a multi-function bag, a DC cable, fourteen DC laptop connectors, and an AC adapter.
50,000mAh battery capacityCan charge both smartphones and laptopsSecurity protectionsExcellent heat dissipation
Can't charge MacBooksHeavy and largePricey
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