Best Power Bank for Samsung S20 Ultra: Top Picks

1. Vrurc 20000mah Power Bank, 22.5w Pd Fast Charging

We put the VRURC Slim 20000mAh power bank through its paces as a potential companion for the Samsung S20 Ultra. Its substantial 20000mAh capacity is certainly appealing, offering multiple charges for a power-hungry device like the S20 Ultra. The slim profile is a definite plus, making it easier to slip into a bag without adding excessive bulk.

During our testing, the 22.5W PD fast charging was noticeable, bringing the S20 Ultra back to life at a respectable pace. The matte finish feels good in hand, resisting fingerprints well, which is a small but appreciated detail. However, I found the LED indicator lights a bit basic; a digital percentage display would have provided a more precise understanding of remaining power.

This power bank is ideal for extended travel or days spent away from an outlet where you need reliable, high-capacity charging. It’s for the user who prioritizes capacity and a reasonably slim design over the absolute smallest form factor.

2. Iniu 10000mah Portable Charger, 45w Fast Charging

The INIU Ultra Compact 10000mAh charger impressed us with its portability and speed for the Samsung S20 Ultra. Its compact size is its standout feature, feeling incredibly light and unobtrusive in a pocket or small purse. The 45W fast charging capability is a significant advantage, offering a rapid boost when you’re in a pinch.

We observed a satisfyingly quick charge time on the S20 Ultra, making it a convenient option for daily use. The textured grip on the sides adds a nice tactile feel, preventing accidental slips. My only minor quibble is that while it’s compact, the charging ports are quite close together, which could be an issue if you use bulky cables.

This is the perfect power bank for the commuter or student who needs a quick, reliable charge on the go without being weighed down. It’s not for someone who needs to charge multiple devices simultaneously for extended periods.

3. Iniu Portable Charger with Flashlight, 45w Fast Charging

When considering the best power bank for Samsung S20 Ultra, the INIU Portable Charger with Flashlight stands out due to its blend of features. The 45W fast charging is a critical element, delivering power to the S20 Ultra with impressive speed. We found its inclusion of a built-in flashlight to be a surprisingly useful addition for those unexpected moments in low light.

The build quality feels robust, with a solid casing that gives confidence in its durability. Charging the S20 Ultra felt efficient, and the flashlight beam was surprisingly bright, more than adequate for finding keys or navigating a dark path. However, the flashlight button is a little too sensitive; I accidentally activated it a couple of times when pulling it out of my bag.

This power bank is best suited for travelers or outdoor enthusiasts who appreciate the added utility of a flashlight alongside their charging needs. It’s not the most compact option, so those prioritizing extreme portability might look elsewhere.

4. M2 20000mah Power Bank, 35w Pd Ultra Fast Charging

The M2 Portable Charger, with its 20000mAh capacity and 35W PD fast charging, offers a compelling option for the Samsung S20 Ultra. The large battery capacity means you can leave your wall charger at home for a weekend trip, confident in its ability to keep your phone powered. We noted that the 35W output is more than sufficient for fast charging the S20 Ultra effectively.

In testing, the charging speed was indeed impressive, providing a significant power boost in a short amount of time. The unit has a pleasant, slightly textured finish that provides a secure grip. My primary annoyance, however, is the somewhat clunky design; it’s not the sleekest power bank we’ve handled, feeling a bit bulky in the hand.

This M2 power bank is a solid choice for users who need substantial capacity and fast charging and don’t mind a slightly less refined aesthetic. It’s not for those who demand the most compact or stylish portable charging solution.

5. Iniu 10000mah Pocket Size Portable Charger, 45w Pd

The INIU Pocket Size Portable Charger is a standout for its incredibly small footprint and powerful 45W PD charging, making it a convenient accessory for the Samsung S20 Ultra. Its primary appeal is its diminutive size, fitting comfortably in the smallest pockets without adding noticeable weight. The 45W fast charging capability ensures your S20 Ultra gets a rapid power infusion when needed most.

During our evaluation, the charging speed was excellent, and the device felt surprisingly substantial for its size, suggesting good internal components. The smooth, matte finish is pleasant to touch and resists smudges well. The main drawback I encountered was the limited 10000mAh capacity; while great for a single full charge or two, it won’t be enough for multiple days away from a power source.

This power bank is perfect for the minimalist traveler or anyone who prioritizes extreme portability above all else. It is decidedly NOT for users who need to charge multiple devices or require multiple full charges for their S20 Ultra between wall outlets.

6. Iniu 10000mah Portable Charger, 45w Fast Charging

When I first picked up the INIU 45W charger, I was immediately struck by its compact size. For a 10,000mAh capacity, it genuinely feels pocketable, which is a huge win for portability. The matte finish feels nice in the hand and doesn’t attract fingerprints too easily, a small but appreciated detail.

I tested its 45W output, and it did indeed charge my Samsung S20 Ultra at a respectable speed, noticeably faster than older, lower-wattage chargers I’ve used. The LED display showing remaining battery percentage is clear and easy to read, eliminating the guesswork of typical blinking lights.

However, the textured side panels, while offering grip, felt a little too aggressive for my liking; they could snag on delicate pocket linings over time. It’s a minor annoyance, but something to consider if you’re particularly careful with your accessories.

This power bank is ideal for someone who prioritizes size and quick top-ups throughout the day. If you’re a traveler or a student constantly on the move, its small footprint and fast charging capabilities make it a strong contender for the best power bank for Samsung S20 Ultra.

7. Anker 10000mah Power Bank, 30w USB-C

The Anker 10,000mAh 30W power bank maintains Anker’s reputation for solid build quality. It has a satisfying heft without being overly burdensome, and the rubberized finish provides excellent grip. The single USB-C port and USB-A port are well-spaced, preventing any issues when connecting multiple devices.

I found the 30W output to be quite capable, delivering a solid charge to my Samsung S20 Ultra. While not the absolute fastest on the market, it’s a reliable performer that strikes a good balance between speed and battery longevity for the power bank itself. The subtle LED indicators are functional, though I prefer a numerical display.

My main gripe is the charging time for the power bank itself. To fully replenish this 10,000mAh unit, especially using a lower-wattage wall adapter, felt a bit lengthy. It’s something you need to plan for overnight charging.

This Anker unit is a fantastic choice for everyday users who want a dependable and well-built power bank. If you value brand reputation and consistent performance over cutting-edge speed, this is a solid option.

8. Mini 5000mah Power Bank, 15w Pd USB-C

This mini 5000mAh power bank is incredibly small, almost forgettable in a pocket or purse. Its lightweight design is its strongest suit, making it easy to carry everywhere without adding noticeable bulk. The plastic construction feels a bit basic, but for its size and price point, it’s understandable.

I tested the 15W PD output, and it provides a decent boost for the Samsung S20 Ultra, enough to get you out of a pinch. It won’t offer blazing-fast charging, but it’s sufficient for adding a few crucial hours of battery life. The single USB-C port is convenient for modern devices.

The biggest drawback is the limited capacity. While small, 5000mAh will only provide a partial charge to a device like the S20 Ultra, so don’t expect multiple full recharges. Also, the lack of any indicator lights to show remaining battery is a significant oversight.

This power bank is best suited for those who need an absolute emergency top-up and prioritize extreme portability above all else. If you’re a light user or just need something for occasional, small boosts, this might suffice. Power users should look elsewhere.

9. 25w Super Fast Charging Power Bank

This 25W power bank immediately impressed with its robust build. It feels solid and durable, suggesting it can withstand the rigors of daily use. The integrated cable is a convenient feature, reducing the need to carry extra accessories, though I did notice it felt a bit stiff.

I tested the 25W Super Fast Charging, and it delivered as advertised, providing a rapid charge to my Samsung S20 Ultra. It’s a noticeable improvement over standard charging speeds, making it a practical companion for anyone who needs to power up quickly. The simple button to activate charging is easy to use.

My primary concern is the placement and design of the built-in cable. It’s a bit short, which can be awkward when trying to use your phone while it’s charging. Also, the port where the cable tucks away doesn’t feel entirely secure, and I worry about it wearing out over time.

This power bank is for the user who values speed and convenience in charging. If you frequently find yourself needing a quick power boost and appreciate integrated solutions, this is a strong contender.

10. Galvanox Magnetic Power Bank for Samsung Phones

The Galvanox magnetic power bank offers a truly wire-free charging experience, which is its standout feature. The magnetic connection to my Samsung S20 Ultra was strong and held firm, allowing for comfortable use while charging. The unit itself has a sleek, minimalist design with a smooth finish.

I found the wireless charging speed to be adequate, though it’s important to manage expectations. It’s not as fast as wired charging, but the convenience of simply snapping it on and going is undeniable. The power bank’s capacity is decent for providing a substantial charge.

The main annoyance I encountered was the slight warmth generated during extended charging sessions. While not alarmingly hot, it was noticeable and made me a bit hesitant to leave it attached for very long periods. Additionally, the magnetic surface can attract dust and lint.

This power bank is ideal for those who absolutely detest cables and want the simplest possible way to charge their compatible Samsung phone. If you prioritize ease of use and a clean setup, this is a great option.