In our constantly connected world, a dead device battery is more than an inconvenience; it can disrupt your work, entertainment, and communication. Whether you’re traveling, commuting, or just navigating a busy day, a reliable power bank is an essential tool to keep your smartphones, tablets, and even laptops running smoothly. The right portable charger provides peace of mind, ensuring you’re never left searching for an outlet.
However, not all power banks are created equal. With varying capacities, charging speeds, and features, choosing the best one for your needs can be a challenge. This roundup simplifies your search by highlighting eight of the best battery power banks on the market, each offering a unique blend of fast and reliable charging to suit different lifestyles and power requirements.
Our Recommended Fast-Charging Power Banks
- Anker Power Bank (PowerCore 10K)
- Anker 20,000mAh Travel Essential Portable Charger
- Anker Prime Power Bank, 26,250mAh 3-Port Portable Charger
- UGREEN Power Bank 25,000mAh 145W Laptop Portable Charger
- Anker Portable Charger, 325 Power Bank (PowerCore Essential 20K)
- Anker 737 Power Bank (PowerCore 24K)
- INIU 25000mAh Portable Charger 100W PD USB C
- Shargeek Storm2 100W Portable Charger
Anker Power Bank (PowerCore 10K)

For those who prioritize portability without sacrificing power, the Anker PowerCore 10K is an excellent choice. Its slim and lightweight design makes it one of the most pocket-friendly 10,000mAh chargers available, easily fitting into a bag or even a jacket pocket. Despite its compact size, it delivers reliable performance, providing approximately two full charges for an iPhone 15 and over one charge for an iPad mini.
This power bank is built to withstand the rigors of daily use. It has been engineered for toughness, featuring scratch resistance and certified durability from a 3.2-foot drop test. With PowerIQ technology, it automatically detects and delivers an optimized charge for your connected device, ensuring efficient and safe charging for iPhones, Android phones, and other gadgets through its USB-C and USB-A ports.
Anker 20,000mAh Travel Essential Portable Charger

This Anker power bank is a true travel essential, combining high capacity with exceptional convenience. Its 20,000mAh battery is TSA-approved for air travel and provides enough power for multiple device charges, eliminating concerns about battery depletion on long trips. A standout feature is the built-in USB-C cable, which simplifies your packing and allows for speedy cable charging right out of the box.
With a massive 87W of total output distributed across three ports, this charger can handle demanding devices. It can rapidly charge a 14-inch MacBook Pro to 50% in under 40 minutes, making it a reliable companion for professionals on the go. The power bank itself can be fully recharged in just 1.5 hours with a compatible 65W charger, ensuring it’s ready when you are.
Anker Prime Power Bank, 26,250mAh 3-Port Portable Charger

The Anker Prime is a premium power bank designed for users with high-performance needs. It boasts an impressive 300W max total output, allowing it to power two MacBook Pros simultaneously at full speed. For single-device charging, it can deliver up to 140W, charging a MacBook Pro to 50% in roughly 27 minutes, which is remarkably fast for a portable battery.
What sets the Anker Prime apart is its incredibly fast recharging capability. With a 250W max input, it can recharge its own 26,250mAh battery to 50% in just 13 minutes and reach full capacity in about an hour. This feature is perfect for fast-paced environments where downtime is limited. Additional smart features, including app control for monitoring power levels, make this a cutting-edge choice.
UGREEN Power Bank 25,000mAh 145W Laptop Portable Charger

The UGREEN Nexode power bank offers a substantial 25,000mAh capacity paired with high-wattage output, making it ideal for powering laptops and multiple devices. With a total of 145W fast charging across its three ports, the USB-C1 port alone can deliver up to 140W. This is enough to power a 16-inch MacBook Pro from 0 to 56% in just 30 minutes, providing a significant boost during short breaks.
This massive capacity means you can fully recharge a laptop up to 1.3 times or a mobile device up to 5 times, making it perfect for long trips or heavy usage days. The two-way fast recharge feature is also a major benefit, allowing the power bank itself to be recharged quickly in about two hours with a 65W PD charger, minimizing the time it spends plugged in.
Anker Portable Charger, 325 Power Bank (PowerCore Essential 20K)

The Anker PowerCore Essential 20K is a workhorse power bank that focuses on delivering reliable, high-capacity charging at an accessible point. Its 20,000mAh battery provides a substantial amount of power, capable of charging an iPhone 15 nearly four times or a Samsung Galaxy S23 Ultra almost three times, making it a dependable source of energy over multiple days.
This model features a bi-directional USB-C port with 15W input and output, allowing you to charge the power bank and a device simultaneously. Combined with Anker’s PowerIQ and VoltageBoost technology, it ensures compatible devices receive a fast, stable charge. It also includes a trickle-charging mode for safely powering low-power accessories like Bluetooth earbuds.
Anker 737 Power Bank (PowerCore 24K)
The Anker 737 Power Bank, also known as the PowerCore 24K, is a robust portable charger designed for users who need to keep multiple high-demand devices powered. It features a high capacity that is suitable for extended use away from outlets, ensuring your gadgets remain operational throughout the day. Its design is focused on delivering consistent power when you need it most.
Equipped with advanced charging technology, it supports Power Delivery to provide fast charging for compatible smartphones, tablets, and even some laptops. The multiple output ports allow for charging several devices at once, making it an efficient solution for people with numerous electronics. Its reliable build quality and performance make it a solid choice for both travel and daily commutes.
INIU 25000mAh Portable Charger 100W PD USB C
The INIU 25000mAh Portable Charger strikes a great balance between large capacity and high-speed charging. With a 100W Power Delivery output through its USB-C port, it can quickly charge laptops, tablets, and phones, significantly reducing the time needed to power up your devices. This makes it particularly useful for users who are frequently on a tight schedule.
Its substantial 25,000mAh capacity ensures that you have multiple charges for your mobile devices, providing reliability during long trips or busy workdays. The power bank is built with safety as a priority, incorporating protections to safeguard your devices against overcharging and short circuits. Its combination of speed, capacity, and safety features offers excellent value.
Shargeek Storm2 100W Portable Charger
The Shargeek Storm2 stands out with its unique transparent design that showcases its internal components, appealing to tech enthusiasts who appreciate a glimpse into the engineering of their gadgets. Beyond its aesthetics, it is a powerful 100W portable charger capable of meeting the demands of modern laptops and smartphones, ensuring fast and efficient power delivery.
This power bank is designed for both performance and durability, featuring a robust build that can handle the rigors of daily carry. The 100W output makes it compatible with a wide range of devices, from MacBooks to gaming handhelds. Its distinctive look, combined with reliable high-wattage charging, makes it a conversation piece as much as a practical tool.
Buying Guide: How to Choose the Best Battery Power Bank
I’ve been through my fair share of power banks, from ones that barely held a charge to those that felt like they were charging my phone in slow motion. Over time, I’ve learned what really matters when you’re looking for a fast and reliable charging companion. It’s not just about the biggest number on the box. Let me walk you through the key things I consider.
First up is capacity, which is measured in milliamp-hours (mAh). This tells you how much “fuel” the power bank has. A 10,000mAh bank can typically charge a modern smartphone two to three times, while a 20,000mAh model can handle four to five charges. Think about your daily needs. If you’re just topping up your phone during a commute, a smaller, more portable one is great. But for long trips or if you’re charging multiple devices like a tablet or headphones, you’ll want that higher capacity. Just remember, a higher capacity usually means a larger, heavier unit.
Next, and this is crucial for speed, is the output. Look for power delivery (PD) and quick charge (QC) technologies. These are the protocols that allow for fast charging. If your phone or laptop supports fast charging, you need a power bank that speaks the same language. The output is measured in watts (W). A standard charger might be 5W, but a good fast-charging power bank will offer 18W, 30W, 65W, or even 100W. Higher wattage is what you need to charge larger devices like laptops quickly. I always check the device I want to charge fastest and make sure the power bank’s output matches or exceeds its requirements.
Ports are another big one. How many devices do you need to charge at once? A single USB-C port might be fine for some, but I prefer having at least two – a USB-C and a USB-A – for flexibility. Some advanced models even include AC outlets or wireless charging pads, which can be a game-changer for simplifying your cable setup.
Finally, don’t overlook build quality and extra features. A power bank is an investment, so it should feel sturdy. I also look for a clear LED indicator to show remaining battery life. For frequent travelers, the size and weight are non-negotiable, and you must check airline regulations if you plan to carry it on a flight, as there are limits on capacity. By balancing these factors—capacity, output technology, port selection, and build—you can find one of the 8 best battery power banks for fast and reliable charging that fits your life perfectly.
Frequently Asked Questions
Can a power bank charge my laptop?
Yes, many modern power banks can charge laptops, but you have to check the specifications carefully. Laptops typically require much more power than phones. Look for a power bank with a USB-C Power Delivery (PD) port that outputs at least 30W, and preferably 45W or 65W for larger laptops. Always check your laptop’s power requirements (usually listed on its original charger) and ensure the power bank meets or exceeds that wattage. Not all power banks are designed for this, so this is a key feature to look for if laptop charging is a priority for you.
How many times can a 20,000mAh power bank charge my phone?
This depends on your phone’s battery capacity. Let’s say you have a phone with a 5,000mAh battery. In a perfect world, a 20,000mAh power bank would charge it four times. However, in reality, you have to account for energy loss due to heat and conversion inefficiencies. A good rule of thumb is to expect an efficiency of around 60-70%. So, that 20,000mAh bank will likely give you about 12,000 to 14,000mAh of usable energy. In this case, you’d probably get between two and three full charges for your phone, which is still plenty for most trips.
Is it safe to leave my power bank charging overnight?
While most quality power banks have built-in safety features like overcharge protection, I generally don’t recommend leaving them to charge unattended for long periods, especially overnight. These safety circuits are good, but they can fail. It’s a better practice to charge your power bank when you are awake and nearby, just like you might with any other lithium-ion battery device. Once the indicator shows it’s full, I make a habit of unplugging it to be on the safe side and to help preserve the long-term health of the battery.
Why does my power bank feel warm when I use it?
It’s completely normal for a power bank to generate some heat during charging or discharging, especially when using fast-charging protocols. The energy conversion process naturally produces warmth. However, you should be concerned if it becomes uncomfortably hot to the touch. Excessive heat can be a sign of a faulty battery, a problem with the device you’re charging, or an overloaded circuit. If it’s getting very hot, I stop using it immediately and unplug any devices. A little warmth is fine, but a lot of heat is a warning sign.
Finding the right portable energy source can feel tricky, but focusing on these common questions will help you make a smart choice. The goal is to find one of the 8 best battery power banks for fast and reliable charging that keeps all your gadgets running without any hassle or worry, ensuring you stay connected wherever you are.