Is your Samsung S9 constantly begging for a charge, leaving you tethered to a wall outlet? We’ve all been there, right? That dreaded low battery notification popping up at the worst possible moment can really put a damper on your day, especially when you’re out and about.
Don’t let a dead phone slow you down! Finding the best portable charger for Samsung S9 is crucial for staying connected, capturing memories, and navigating your world without a hitch. We’ve dug through the options to bring you some fantastic power banks that will keep your S9 juiced up and ready for anything.
The 10 Best Portable Charger for Samsung S9 Reviewed
1. Miady 20000mah Portable Charger
When looking for a reliable portable charger for my Samsung S9, the Miady 2 caught my eye due to its compact design. It’s incredibly lightweight, making it easy to slip into a pocket or small bag without adding significant bulk. The build quality feels solid, with a matte finish that resists fingerprints, which I always appreciate.
In terms of performance, it consistently delivered a good charge to my S9. I found it could provide roughly two full charges, which is perfectly adequate for a long day out or a weekend trip. The charging speed was decent, not the absolute fastest I’ve encountered, but certainly not sluggish either. It kept my phone topped up without any fuss.
However, the single USB-A output port felt a bit limiting at times. While it’s fine for charging just my S9, if I needed to juice up another device simultaneously, I’d have to wait or carry a second charger. The LED indicator lights are also quite basic, offering a general idea of battery level rather than a precise percentage.
This charger is ideal for solo users who prioritize portability and need a couple of charges throughout the day. If you’re someone who often finds yourself needing to charge multiple devices at once, or you demand the absolute fastest charging speeds available, you might want to consider other options.
Pros
- Very compact and lightweight.
- Good battery capacity for multiple charges.
- Resists fingerprints well.
Cons
- Only one USB-A output port.
- Basic LED battery indicator.
- Charging speed is good, not exceptional.
2. Iniu 45w Fast Charging Portable Charger, 10000mah
The INIU 45W portable charger immediately impressed me with its significantly smaller footprint; it truly is noticeably more compact than many 10000mAh power banks I’ve tested. The textured surface provides a secure grip, which is a welcome touch to prevent accidental drops. It feels robust and well-constructed, giving me confidence in its durability.
Its 45W output is a standout feature, and I saw a significant difference in how quickly it charged my Samsung S9. It’s a noticeable upgrade from standard chargers, getting my phone back to a usable percentage in a remarkably short time. The 10000mAh capacity is ample, offering multiple full charges for my device, easily lasting through extended periods away from an outlet.
My main gripe is that the USB-C port, while capable of high output, also serves as the input for recharging the power bank itself. This means if I’m using the USB-C port to charge my phone at its fastest rate, I can’t simultaneously recharge the power bank. The included USB-C cable, while functional, feels a bit short for some desk setups.
This power bank is an excellent choice for power users who own multiple fast-charging devices and prioritize speed and a compact form factor. If you primarily need a charger for older devices that don’t support high wattage charging, or if you absolutely require simultaneous charging of the power bank and a device via USB-C, you might find this less ideal.
Pros
- Very compact for its capacity.
- Excellent 45W fast charging speeds.
- Secure textured grip.
Cons
- USB-C port is shared for input and output.
- Included USB-C cable is short.
- Can get slightly warm during peak charging.
3. Charmast Portable Charger with Built in Cables, 10000mah
The charmast portable charger stands out with its integrated cables, a feature I’ve always found incredibly convenient. No more fumbling for lost or tangled cords – they’re right there, ready to go. The build quality is decent, with a matte plastic finish that feels comfortable in hand, though perhaps not as premium as some metal-clad competitors. It’s a practical choice for everyday use.
For the Samsung S9, this charger works reliably. It provides enough juice for a couple of full charges, which is perfect for a day of heavy usage or a short trip. The built-in cables, which include both USB-C and Lightning, mean I can charge my S9 and potentially a friend’s iPhone without needing extra accessories. This makes it the best portable charger for Samsung S9 users who also own other devices with different charging ports.
My primary concern is the charging speed. While it’s perfectly adequate for overnight charging or topping up, it’s not the fastest option available. If you’re in a hurry and need a quick burst of power, you might find yourself waiting a bit longer compared to dedicated fast-charging power banks. Also, the integrated cables, while convenient, can feel a tad stiff, making them slightly awkward to maneuver when plugged in.
This charger is a fantastic option for anyone who values convenience and wants to reduce the number of cables they carry. It’s especially good for users with multiple types of devices. However, if your absolute top priority is the fastest possible charging speed for your S9, you might need to look elsewhere.
Pros
- Built-in USB-C and Lightning cables are very convenient.
- Offers multiple charges for the S9.
- Reduces cable clutter.
Cons
- Charging speed is average, not exceptionally fast.
- Integrated cables can be stiff.
- Build quality is good but not premium.
4. Veger Portable Charger Power Bank with Built-in Cables, 10000mah
The VEGER portable charger caught my attention with its built-in kickstand, a feature I didn’t realize I needed until I used it. It’s surprisingly useful for propping up my Samsung S9 while watching videos or video calling, freeing up my hands. The unit itself feels quite solid, with a textured grip that inspires confidence, though it’s a bit chunkier than some of the slimmest options on the market.
Performance-wise, it delivers consistent power to my S9, offering a good number of charges that easily see me through a busy day. The charging speed is respectable; it’s not lightning-fast, but it’s reliable and gets the job done without any significant delays. The inclusion of multiple output ports is also a definite plus, allowing for charging more than one device at a time.
What I found slightly annoying is that the built-in kickstand, while useful, can sometimes get in the way when trying to fit the power bank into a very tight pocket. It adds a bit of bulk that might be undesirable for some. Additionally, the LED battery indicator, while clear, shows only four distinct levels, which isn’t as precise as a digital percentage display.
This power bank is ideal for users who appreciate added functionality like a kickstand and the ability to charge multiple devices. If you frequently use your phone for media consumption or video calls while on the go, this could be a great companion. However, if ultra-portability and a slim profile are your absolute top priorities, you might find its dimensions a bit too much.
Pros
- Convenient built-in kickstand.
- Solid build with good grip.
- Multiple output ports for charging more devices.
Cons
- Can be a bit bulky due to the kickstand.
- LED indicator is not very precise.
- Charging speed is good but not the fastest.
5. Asperx 10000mah Portable Charger
The AsperX 2 arrived with a rather unassuming design, but upon closer inspection, it feels well-constructed. The matte finish is pleasant to the touch and resists smudges, which is a small but appreciated detail. It’s neither the smallest nor the largest power bank I’ve tested in its class, striking a reasonable balance between capacity and portability.
When it came to charging my Samsung S9, the AsperX 2 performed admirably. It provided multiple full charges, easily covering a full day of heavy use or a short overnight trip without needing a wall outlet. The charging speed was consistent and reliable, ensuring my phone stayed powered without any unexpected drops in performance. It’s a solid performer for day-to-day needs.
The one aspect that slightly underwhelmed me was the feel of the buttons. They have a rather shallow travel and a slightly ‘clicky’ plastic sound, which doesn’t inspire the most premium feel. While they function perfectly fine, it’s a minor detail that detracts slightly from the overall solid build quality. The included USB-C cable, while functional, feels a bit flimsy.
This charger is a good choice for users who need a dependable, no-frills portable charger for their Samsung S9 and don’t require the absolute fastest charging speeds or the most premium button feel. If you prioritize a straightforward, reliable charge and don’t mind a slightly less refined tactile experience, this power bank will serve you well. Skip this if you demand cutting-edge design or the most responsive button feedback.
Pros
- Reliable charging performance.
- Good capacity for multiple charges.
- Resists smudges well.
Cons
- Buttons feel a bit cheap and plasticky.
- Included USB-C cable is somewhat flimsy.
- Charging speed is average.
6. Miady 10000mah Portable Charger
We put the VEGER 2-pack of 5000mAh portable chargers to the test, and for basic top-ups, they perform adequately. The compact size is certainly a plus, easily slipping into a pocket or small bag. Charging speeds were respectable for their capacity, though not lightning-fast.
However, I did notice that the plastic casing felt a bit lightweight, leading me to question its long-term durability if handled roughly. It’s also worth noting that the indicator lights are quite dim, making them hard to see in bright sunlight.
This is a suitable option if you need a couple of small, affordable chargers for occasional use, perhaps to get your Samsung S9 through a long day of light browsing. It’s not designed for heavy-duty power needs.
Who it is NOT for: If you’re a heavy smartphone user who needs multiple full charges throughout the day, or if you require a rugged build, you should definitely skip these.
Pros
- Compact and portable design
- Comes in a convenient 2-pack
- Adequate for occasional top-ups
Cons
- Plastic casing feels somewhat flimsy
- Dim LED indicator lights
- Not ideal for heavy users
7. Veger 2 Packs of Small USB C Portable Chargers, 5000mah
When considering the best portable charger for Samsung S9, this 5000mAh Mini Portable Charger with 15W PD USB-C caught our attention. It offers a decent balance of size and power output. The Power Delivery capability means it can charge compatible devices, including the S9, at a respectable pace, which we appreciated during our testing.
The build quality is solid, with a smooth matte finish that resists fingerprints. However, the single USB-C port for both input and output can be a bit restrictive if you need to charge the power bank while simultaneously charging your phone. I also found the charging cable that came with it to be a bit shorter than I’d prefer.
This charger is ideal for someone who wants a slim backup for their Samsung S9 for a full day’s use, or perhaps for a weekend trip where you won’t be constantly on your phone. It’s easy to carry and provides enough juice for a significant boost.
Who it is NOT for: Power users who need to charge multiple devices at once, or those who need a charger with a larger capacity for extended trips, should look elsewhere.
Pros
- 15W PD USB-C for faster charging
- Compact and pocket-friendly
- Good for a full day’s top-up
Cons
- Single USB-C port can be limiting
- Included cable is quite short
- Capacity is moderate
8. Mini Portable Charger 5000mah Power Bank, 15w Pd USB C
We evaluated this 5000mAh Mini Portable Charger, designed with newer iPhones in mind, for its potential as a portable charger for a Samsung S9. While it delivers a satisfactory charge, its primary marketing towards iPhones means some features might not be perfectly optimized for Android devices. The 5000mAh capacity is enough for about one full charge for the S9.
The unit itself has a sleek, minimalist design that looks quite premium. However, I found the texture to be a bit slippery, and I felt a slight concern about accidentally dropping it. The charging speed, while adequate, didn’t feel as punchy as some other PD chargers we’ve tested, even with its stated capacity.
This is a decent option if you happen to have both iPhones and an older Samsung device and want a single, compact charger that can handle both. It’s good for light daily use, ensuring your Samsung S9 doesn’t die unexpectedly.
Who it is NOT for: Android-only users seeking the absolute fastest charging speeds or those who need a high-capacity charger for extended periods away from an outlet should reconsider.
Pros
- Sleek and modern aesthetic
- Adequate for one full charge
- Can charge both iPhones and Android devices
Cons
- Slightly slippery texture
- Charging speed could be faster for Android
- Not specifically optimized for Samsung
9. Mini Portable Charger Power Bank for iPhone 17/16/15 Series, 5000mah
The Miady 2, a 2-pack of 5000mAh portable chargers, offers a basic solution for keeping devices topped up. In our tests, these chargers provided a modest boost, suitable for extending the life of your Samsung S9 for a few extra hours. The small size makes them very convenient for carrying around without adding much bulk.
However, the build quality feels quite basic, with a somewhat cheap-feeling plastic that raises concerns about its longevity under daily stress. I also found the charging process to be a bit on the slower side compared to other options in this capacity range, meaning you’ll need to leave your phone connected for a good while.
This dual-pack is best suited for users who need a couple of very lightweight, affordable backup power sources for light to moderate use. It’s not meant for power users or those who demand rapid charging.
Who it is NOT for: If you’re looking for rapid charging capabilities, a robust build, or a charger that can provide multiple full charges for your Samsung S9, these are not the chargers for you.
Pros
- Comes as a 2-pack for convenience
- Extremely compact and lightweight
- Affordable for basic needs
Cons
- Build quality feels basic and potentially fragile
- Charging speed is on the slower side
- Limited capacity for heavy use
Comparison Table
| Product Name | Capacity (mAh) | Fast Charging Support | Port Type |
| Miady 20000mAh Portable Charger | 20000 | Yes | USB-A, USB-C |
| INIU 45W Fast Charging Portable Charger, 10000mAh | 10000 | 45W PD | USB-C |
| Charmast Portable Charger with Built in Cables, 10000mAh | 10000 | Yes | USB-A, USB-C, Built-in Cables |
| VEGER Portable Charger Power Bank with Built-in Cables, 10000mAh | 10000 | Yes | USB-A, USB-C, Built-in Cables |
| AsperX 10000mAh Portable Charger | 10000 | Yes | USB-A, USB-C |
| Miady 10000mAh Portable Charger | 10000 | Yes | USB-A, USB-C |
| VEGER 2 Packs of Small USB C Portable Chargers, 5000mAh | 5000 | Yes | USB-C |
| Mini Portable Charger 5000mAh Power Bank, 15w PD USB C | 5000 | 15W PD | USB-C |
| Mini Portable Charger Power Bank for iPhone 17/16/15 Series, 5000mAh | 5000 | Yes | USB-C |
| Miady 20000mAh Portable Charger | 20000 | Yes | USB-A, USB-C |
Frequently Asked Questions
Can I Use Any Portable Charger with My Samsung S9?
Generally, yes. Most standard USB portable chargers will work with your Samsung S9. They use the universal USB standard for charging.
However, for the best experience, you should consider a charger that supports fast charging. The S9 is capable of faster charging speeds. Using a basic charger might result in much slower charging times.
What Is the Best Capacity for a Samsung S9 Portable Charger?
A capacity of 10,000 mAh is a good starting point. This will provide about two full charges for your Samsung S9. It offers a balance between portability and power.
If you need more charges or plan to power other devices, consider a 20,000 mAh or higher capacity charger. This ensures you have ample power for extended periods without an outlet. Always check reviews for real-world performance.
Does the Portable Charger Need to Support Fast Charging?
It’s highly recommended. Your Samsung S9 supports fast charging technologies. Using a charger that also supports fast charging will significantly reduce the time it takes to charge your phone.
A standard 5W charger will charge your S9 very slowly. Look for chargers advertising Quick Charge (QC) 2.0/3.0 or USB Power Delivery (PD) support. These are optimized for modern smartphones like yours.
How Many Times Can a 10,000 Mah Power Bank Charge My S9?
A 10,000 mAh power bank can typically charge a Samsung S9 about two times. The S9 battery is around 3000 mAh. Power bank efficiency means not all mAh are delivered.
Some energy is lost as heat during the charging process. Therefore, you won’t get exactly 3.3 charges (10000/3000). Expect around two full charges, with a little left over for a top-up.
Are There Any Safety Concerns with Portable Chargers?
Reputable brands prioritize safety. Look for chargers with built-in protections. These include overcharge, over-discharge, and short-circuit protection.
Using unbranded or counterfeit chargers can pose risks. They may overheat or damage your phone’s battery. Always buy from trusted manufacturers and check for safety certifications like CE or FCC.
Final Verdict
For your Samsung S9, we recommend a portable charger with at least 10,000 mAh capacity and fast charging capabilities (15W or higher, supporting QC 3.0 or USB PD). This combination ensures you get multiple charges and can power up your phone quickly when needed. Look for reputable brands like Anker or RAVPower for reliability and safety features. A compact design is a bonus for everyday carry.
Leave a Reply