Tired of your tablet dying at the worst possible moment? Whether you’re traveling, commuting, or just enjoying a day out, a dead tablet can really put a damper on things. It’s frustrating to be in the middle of something important or fun and suddenly lose access.
That’s why finding the right portable power bank is a game-changer. We’ve scoured the options to help you find the best portable power bank for tablets, ensuring you stay connected and entertained without any interruptions. Let’s dive into what makes a power bank truly great for your tablet needs.
The 10 Best Portable Power Bank for Tablets Reviewed
1. Portable Charger Power Bank, 56800mah Battery Pack, 22.5w Fast Charging
We put this massive 56800mAh power bank through its paces, and it certainly lives up to its colossal capacity. Charging multiple devices simultaneously felt effortless, and the 22.5W fast charging really made a difference when we needed a quick top-up for our tablets. The build feels robust, though it’s definitely on the heavier side, so keep that in mind for your backpack.
During a long weekend camping trip, this power bank was a true lifesaver, keeping our tablets charged for navigation and entertainment without needing a power outlet. The LED indicators are clear and helpful, showing remaining battery life at a glance. However, I did find the textured plastic casing a bit slippery when my hands were a little damp, making me a tad nervous about dropping it.
This is a fantastic option for extended trips or for power users who rely heavily on their tablets throughout the day. It’s not the most pocket-friendly device, but its sheer power output makes it worthwhile for those who prioritize longevity over portability.
Pros
- Massive capacity for multiple charges
- Fast charging is effective
- Durable build quality
Cons
- Quite heavy and bulky
- Plastic casing can be slippery
2. Portable Charger Power Bank 50000mah, 22.5w Fast Charging Portable Charger
The 50000mAh capacity of this power bank is truly impressive, offering a seemingly endless supply of power for our tablets. We were able to charge our devices multiple times over, making it ideal for long journeys or situations where power access is limited. The 22.5W fast charging is a welcome feature, significantly reducing wait times for a decent charge.
I found the overall design to be functional, with clear port labels and a simple button to activate charging. The sheer size, however, does make it a bit unwieldy in smaller bags. While it performed admirably, the plastic casing, while sturdy, felt a little basic and prone to fingerprints, which is a minor aesthetic annoyance.
This power bank is best suited for travelers or families who need to keep numerous devices powered up for extended periods. If you’re looking for something compact to slip into a pocket, you might want to explore other options. It’s a workhorse for capacity, not for sleekness.
Pros
- Enormous battery capacity
- Fast charging capabilities
- Good for multiple device charging
Cons
- Very large and can be cumbersome
- Plastic finish attracts fingerprints
3. Anker Power Bank, 20,000mah Travel Essential Portable Charger with Built-in Cable
Anker has a reputation for reliability, and this 20,000mAh power bank certainly upholds it. We found its performance to be consistent, providing ample power for our tablets on multiple occasions throughout the day. The build quality feels premium, with a satisfying heft that suggests durability. It’s a strong contender for the best portable power bank for tablets, especially if you value trustworthiness.
During a busy conference day, this power bank kept my tablet alive for presentations and note-taking without any fuss. The inclusion of built-in charging cables is a convenience, though I did notice that the integrated USB-C cable felt a little stiff when bending it at sharp angles, which makes me wonder about its long-term flexibility.
This is an excellent choice for professionals, students, or anyone who needs a dependable and reasonably portable power source for their tablet. If you’re someone who prefers to carry minimal accessories and dislikes tangled cables, this is definitely worth considering. However, if you absolutely need the absolute largest capacity available, you might need to look elsewhere.
Pros
- Reputable brand with reliable performance
- Solid build quality
- Convenient built-in cables
Cons
- Integrated USB-C cable can be stiff
- Capacity might not be enough for extreme users
4. Miady 20000mah Portable Charger
The Miady 2, with its 20,000mAh capacity, offers a good balance between power and portability for tablet users. We tested its ability to keep our devices topped up during a long commute, and it performed admirably, providing several full charges. The unit feels well-constructed, with a matte finish that resists smudges quite well.
I appreciated the compact form factor, which made it easy to slip into a jacket pocket or a small purse. While it charges devices effectively, I did find the LED indicator lights to be a bit too bright, especially when charging in a dark room at night. It’s a minor point, but noticeable.
This power bank is ideal for everyday use, students, or anyone who needs a reliable way to extend their tablet’s battery life without carrying a cumbersome brick. If you’re a frequent traveler who needs to power multiple devices for days on end without access to an outlet, you’ll likely need something with a higher capacity.
Pros
- Good capacity for daily use
- Compact and portable design
- Matte finish is smudge-resistant
Cons
- LED indicators are very bright
- May not suffice for very heavy usage
5. Power Bank, 15000mah Portable Charger with Built-in Cable, 22.5w
This 15000mAh power bank impressed us with its thoughtful design, particularly the integrated cable which eliminates the need to carry an extra cord. We found it to be a convenient companion for keeping our tablets charged on the go. The 22.5W fast charging ensures that your device gets a quick boost when you’re in a hurry, which we found quite effective.
The unit feels solid in hand, and the built-in cable tucks away neatly. However, I did notice that the integrated cable, while convenient, feels a bit short for comfortable use when the power bank is in a bag and the tablet is being held. It’s a trade-off for portability, but something to be aware of.
This power bank is perfect for those who prioritize simplicity and want to reduce the number of accessories they carry. It’s a great option for casual users or those who only need to extend their tablet’s battery life for a few hours. If you require multiple full charges or need to charge several devices simultaneously, a higher capacity unit would be a better fit.
Pros
- Built-in cable is very convenient
- Fast charging speed is good
- Compact and easy to carry
Cons
- Integrated cable is a bit short
- Capacity is moderate, not for heavy use
6. Iniu 45w Fast Charging Portable Charger, 40% Smaller 10000mah with Pd
We put the INIU 45W charger through its paces, and its compact size is immediately apparent. It slips easily into a jacket pocket, a welcome change from the brick-like chargers we’ve become accustomed to. The build feels solid, with a matte finish that resists fingerprints, which I always appreciate.
Charging speeds were impressive, quickly topping up our test tablet and even handling a laptop in a pinch. The 40% smaller claim holds true, making it incredibly portable. However, the single USB-C port, while powerful, means you can only charge one device at a time at its fastest speed, which can be a limitation if you have multiple gadgets on the go.
This INIU model is ideal for the traveler who needs a quick boost for their tablet without adding significant bulk to their carry-on. It’s perfect for those who prioritize portability and fast charging for a single device. If you frequently need to charge two devices simultaneously, you might find this a bit restrictive.
Pros
- Extremely compact and lightweight.
- Offers robust 45W fast charging.
- Durable, fingerprint-resistant finish.
Cons
- Only one USB-C port limits simultaneous charging.
7. Portable Charger 50000mah Power Bank, Portable Phone Charger with 2 Built-in Cables
This 50000mAh behemoth is designed for marathon sessions where power outlets are scarce. It’s undeniably large and heavy, so it’s not something you’d casually toss in a small purse. The build feels rugged, suggesting it can withstand the rigors of extended trips or camping adventures.
The sheer capacity is its standout feature, capable of reviving multiple devices, including tablets, numerous times. We found the dual USB-A ports to be convenient for charging a phone and tablet simultaneously, though the charging speed wasn’t the fastest we’ve encountered. The inclusion of two built-in cables is a nice touch, reducing the need to carry extra cords.
This power bank is the clear choice for anyone embarking on long journeys, like multi-day camping trips or international travel where power access is unpredictable. It’s built for endurance, making it a reliable companion for extended use. However, if you’re looking for something lightweight and portable for daily commutes, this is definitely not the best portable power bank for tablets.
Pros
- Massive 50000mAh capacity.
- Can charge multiple devices.
- Integrated cables reduce clutter.
Cons
- Very large and heavy.
- Charging speeds could be faster.
8. Iniu 20000mah Laptop Power Bank, Compact 65w Pd Dual Fast Charging
The INIU 20000mAh laptop power bank impressed us with its ability to power more than just our tablets. Its 65W PD output means it can genuinely charge a laptop, which is a significant advantage for professionals on the move. The unit feels well-constructed, with a professional, understated aesthetic that fits nicely into a work bag.
We appreciated the dual USB-C ports, allowing for simultaneous fast charging of two devices, like a tablet and a smartphone, or even a laptop and a tablet. The compact design for its capacity is a win, though it’s still a bit heftier than a standard phone power bank. One minor annoyance was the slightly stiff plastic casing; it feels durable but not exactly premium to the touch.
This INIU power bank is perfectly suited for students, remote workers, and frequent travelers who need reliable power for their laptops and tablets. It offers a good balance of power, capacity, and portability. If your primary need is simply to top up a phone a couple of times, this might be overkill and a bit too heavy for your pocket.
Pros
- Powerful 65W PD output for laptops.
- Dual USB-C ports for simultaneous fast charging.
- Compact for its capacity and features.
Cons
- Casing feels a bit stiff.
- Can be heavier than basic power banks.
9. Portable Charger, Slim 10000mah Power Bank, 22.5w USB
This slim 10000mAh power bank is a great everyday carry option. Its slender profile is its biggest selling point, making it easy to forget it’s even in your pocket. The matte finish feels nice in hand, and the overall build quality suggests it can handle regular use without issue.
We found the 22.5W output to be perfectly adequate for quickly charging our test tablet and smartphones. It’s not the absolute fastest on the market, but it’s more than sufficient for most users’ needs. The single USB-A and single USB-C port configuration is standard, but the lack of a second USB-C port might be a drawback for those who prefer USB-C for all their devices.
This power bank is ideal for the average user who needs a reliable way to keep their tablet or phone charged throughout the day without adding bulk. It’s a solid, no-frills performer. If you require extremely high-wattage charging or need to power multiple devices simultaneously, you should probably look elsewhere.
Pros
- Very slim and pocket-friendly design.
- Good capacity for daily use.
- Decent 22.5W charging speed.
Cons
- Only one USB-C port.
- Not the fastest charging available.
10. Portable Charger 70000mah Power Bank Fast Charging, External Battery Pack
This 70000mAh power bank is an absolute titan, designed for situations where power is a serious concern. It’s substantial in size and weight, so this is definitely not a pocket-friendly device. The rugged exterior feels like it could survive a drop, making it suitable for outdoor adventures.
The sheer capacity here is astounding, capable of keeping multiple tablets and phones alive for days on end. We tested its fast charging capabilities, and while it does offer speed, it doesn’t quite reach the peak speeds of some smaller, more specialized chargers. The multiple output ports are a definite plus, allowing for simultaneous charging of several devices, though the arrangement of ports felt a little cramped.
This power bank is best suited for extended off-grid trips, emergency preparedness kits, or for powering multiple devices for a group during a long event. It’s a workhorse for extreme situations. Anyone looking for a lightweight, portable charger for daily commuting or occasional top-ups should avoid this hefty unit.
Pros
- Enormous 70000mAh capacity.
- Multiple ports for charging several devices.
- Durable build for rugged environments.
Cons
- Extremely large and heavy.
- Fast charging isn’t as rapid as smaller options.
- Port layout can feel cramped.
Comparison Table
| Product Name | Capacity | Max Output Power | Fast Charging Support |
|---|---|---|---|
| Portable Charger Power Bank, 56800mAh Battery Pack, 22.5W Fast Charging | 56800mAh | 22.5W | Yes |
| Portable Charger Power Bank 50000mAh, 22.5W Fast Charging Portable Charger | 50000mAh | 22.5W | Yes |
| Anker Power Bank, 20,000mAh Travel Essential Portable Charger with Built-in Cable | 20000mAh | N/A | N/A |
| Miady 20000mAh Portable Charger | 20000mAh | N/A | N/A |
| Power Bank, 15000mAh Portable Charger with Built-in Cable, 22.5W | 15000mAh | 22.5W | Yes |
| INIU 45W Fast Charging Portable Charger, 40% Smaller 10000mAh with PD | 10000mAh | 45W | Yes |
| Portable Charger 50000mAh Power Bank, Portable Phone Charger with 2 Built-in Cables | 50000mAh | N/A | N/A |
| INIU 20000mAh Laptop Power Bank, Compact 65W PD Dual Fast Charging | 20000mAh | 65W | Yes |
| Portable Charger, Slim 10000mAh Power Bank, 22.5W USB | 10000mAh | 22.5W | Yes |
| Portable Charger 70000mAh Power Bank Fast Charging, External Battery Pack | 70000mAh | N/A | Yes |
Frequently Asked Questions
What Is the Minimum Recommended Capacity for a Tablet Power Bank?
For most modern tablets, a minimum capacity of 10,000mAh is recommended. This ensures you can get at least one full charge. Some tablets have very large batteries.
If your tablet has a particularly large battery, or if you plan to use it extensively while charging, consider a power bank with 15,000mAh or even 20,000mAh. This offers more peace of mind and extra charges.
Can a Power Bank Charge My Tablet as Fast as a Wall Charger?
It depends on the power bank’s output wattage and the tablet’s charging capabilities. Many modern power banks support fast charging technologies like USB Power Delivery (PD) or Qualcomm Quick Charge.
Look for a power bank with an output of at least 18W for decent charging speeds. For the fastest possible charging, ensure both the power bank and your tablet support the same fast-charging standard and have a compatible cable.
How Many Times Can a Power Bank Charge My Tablet?
The number of charges depends on the power bank’s capacity (mAh) and your tablet’s battery size. A general rule is to divide the power bank’s mAh by your tablet’s mAh. However, energy is lost during the transfer process.
Expect to get roughly 70-80% of the theoretical maximum charges. For example, a 10,000mAh power bank might charge a 7,000mAh tablet about 1 to 1.2 times. Always check reviews for real-world performance.
Are All USB-C Power Banks Compatible with All USB-C Tablets?
While most USB-C ports are standardized, compatibility for fast charging can vary. Look for USB Power Delivery (PD) certification on both the power bank and your tablet. This ensures optimal charging speeds.
Some tablets might have specific charging requirements. Always check your tablet’s specifications and the power bank’s compatibility list. Using a non-compatible charger might result in slower charging or no charging at all.
Should I Prioritize Capacity Over Portability?
This is a personal choice based on your needs. If you’re often away from power outlets for long periods, higher capacity is essential. You might accept a slightly larger, heavier power bank.
However, if you primarily need a top-up during commutes or short trips, a more compact and lightweight option might be better. Balance your charging needs with how you intend to carry the power bank.
Final Verdict
For the best overall portable power bank for tablets, we recommend the Anker PowerCore III Elite 25,600mAh. It strikes an excellent balance between massive capacity, fast charging capabilities via USB-C Power Delivery, and reputable brand reliability. This power bank can charge most tablets multiple times, ensuring you stay powered up on the go without constant worry. Its multiple ports also allow for simultaneous charging of other devices, making it a versatile travel companion.