Best Power Bank for Samsung Phones: 2025’s Top Picks

From Galaxy S24 Ultra to a Z Fold, Samsung phones are powerful, but the battery doesn’t always keep up with your day—especially if you’re streaming, snapping, or multitasking like mad. Whether you’re commuting, travelling, or just spending way too long on TikTok, you need backup power that actually delivers.

This guide is here to help you find the best power bank for Samsung in 2025. We’ll highlight the top picks that charge fast, last long, and don’t weigh down your bag, and break down what actually matters when choosing one for your needs.

alt: Anker power bank for Samsung

Best Power Bank for Samsung in 2025

Need quick top-ups on the Tube, a weekend’s worth of gaming juice, or a charger that can keep your Galaxy S24 Ultra humming at its full 45W potential? Below you’ll find some of the best fast charging power banks for Samsung that nail very different briefs:

Anker Nano Power Bank 10K, 30W

The Anker Nano Power Bank 30W is built for everyday carry. Its 10,000 mAh cell gives roughly two full Galaxy S24 charges, yet the block is smaller than a credit-card stack and weighs just 215 g.

A braided USB-C cable folds flush into the shell, so you never hunt for leads on the go. It handles both input and output at up to 30W, letting you refill the pack to 50% in 45 minutes or fast-charge a Samsung at its native 25W rate without breaking a sweat.

A colour display shows remaining capacity%, and the casing is made with 80% post-consumer recycled plastic for a greener touch.

alt: Anker Nano Power Bank 10K 30W

What’s good:

• Ultra-compact 4.09 × 2.06 × 1.02 in form factor slips in jacket or jeans pockets easily
• Integrated USB-C cable = no “forgotten lead” moments on nights out
• 30W bi-directional PD on both the built-in cable and a second USB-C port keeps pace with Samsung’s 25W Fast Charge while recharging itself just as quickly
• Friendly colour screen for battery% read-outs

Anker Prime 20,000 mAh Power Bank

If you juggle a Galaxy, tablet and laptop, the Anker Prime 20,000 mAh Power Bank is your mobile grid. Its 20,000 mAh pack pairs with a ferocious 200W total output—up to 100W per USB-C port plus a 65W USB-A—enough to juice a MacBook, a tablet, and a phone at once.

ActiveShield 2.0 thermals prevent overheating, and a live OLED read-out keep everything in check. Even better, a 100W PD input recharges the bank in about 75 minutes, so overnight top-ups become optional.

Despite the power, it’s still flight-friendly and roughly the size of a chunky smartphone, making it the do-everything brick for work trips and camping weekends.

alt: Anker Prime 20,000 mAh Power Bank

What’s good:

• 200W headline figure handles laptops, tablets and Samsung handsets simultaneously
• 100W PD re-input brings the pack from flat to full in ~1 h 15 m
• 20,000 mAh = four-ish Galaxy S24 charges or a full MacBook Air refill
• Real-time display shows battery percentage and port wattage
• ActiveShield 2.0 temperature monitoring for peace of mind

Anker Nano Power Bank 10K, 45W

This Anker Nano Power Bank 10K, 45W is a truly pocket-size bank that matches Samsung’s Super-Fast Charging 2.0 spec. Its USB-C port (and built-in 0.7 m retractable InstaCord) pushes a full 45W PPS, letting a Galaxy S24 Ultra hop from 0 to roughly 65% in half an hour.

A 10,000 mAh cell keeps the weight to 232 g, yet you still get two phone refills and pass-through charging for topping up the bank and your phone together. The roller-based cable has been bend-tested 20,000 times for longevity, and an auto-dimming display shows percentage, live watts, and even temperature, so you can spot throttling at a glance.

alt: Anker Nano Power Bank 10K 45W

What’s good:

• Full 45W PPS output hits Samsung Super-Fast Charging 2.0 speeds
• Retractable 2.3 ft InstaCord saves bag space and survives 20 k bends
• Pocketable 3.2 × 2.0 × 1.4 in, 232 g chassis is travel-friendly
• Smart screen + ActiveShield temp checks every 0.01s for safe, efficient charging

Key Factors to Look for When Picking the Right Power Bank for Samsung

When you’re shopping for a good power bank for Samsung, a bit of spec-checking goes a long way. Whether you’re charging on the train, out for the day, or travelling light, here’s what you’ll want to keep in mind before buying.

Capacity That Matches Your Day

Your Samsung phone likely has a battery around 4,000~5,000 mAh, and a 10,000 mAh bank will get you about two full charges. That’s ideal for light daily use. If you travel often or charge multiple devices, go for 15,000–20,000 mAh. For extended trips or heavier use, 25,000 mAh+ gives you more freedom between plug-ins.

Planning to fly with your power bank? Most airlines cap portable chargers at 100 watt-hours (Wh)—about 27,000 mAh. Anything above that could get flagged at security. It also has to go in your carry-on, not checked baggage.

Fast-Charge Compatibility

Most recent Samsung phones charge at up to 25W using Samsung’s Super-Fast Charging technology. To get those full speeds, you’ll need a power bank that supports USB-C Power Delivery (PD) with PPS (Programmable Power Supply). If PPS isn’t listed, your phone will still charge, but not at its maximum rate.

If you’re using a Galaxy S24 Ultra, Z Fold, or any model that supports 45W Super-Fast Charging 2.0, you’ll need a bank that explicitly supports PD 3.0 with PPS at 45W and a 5A cable. Without it, charging will fall back to a slower mode and take longer.

Output Power & Ports

For phones, a single 25W–45W USB-C PD port does the job. But if you’re charging a tablet, laptop, or other gear, look for banks with 65–100W output and multiple ports. Bonus if there’s a USB-A port for older accessories.

Recharge Speed

Bigger power banks take longer to refill. For anything 20K and up, choose a bank with at least 60W PD input. It can cut recharge time from 5–6 hours to around 90 minutes—a major win for travel or busy schedules.

Safety Features and Certifications

Good power banks include multiple safety protections—like overcharge, short-circuit, overcurrent, and thermal monitoring. These aren’t just nice to have—they help prevent overheating, swelling, and performance issues.

To make sure you’re getting a reliable product, check for certifications such as CE, UKCA, and UN38.3. These mean the power bank has been tested for safety and meets transport standards.

Size and Weight

If you want something you can slide into a coat or trouser pocket, aim for power banks under 250 grams with a compact form factor. Higher capacity models will naturally weigh more, but some still strike a good balance between battery life and portability.

Useful Extras That Make Life Easier

Check if the bank includes extras like a built-in USB-C cable or a retractable lead, which saves you carrying an extra.

A digital display is another bonus—much more helpful than four vague dots when you’re trying to gauge how much charge you’ve got left.

Pass-through charging can be useful too, allowing you to plug the power bank into the wall while charging your phone at the same time. It’s great for overnight charging when you only have one plug socket handy.

Conclusion

At this point, you’ve seen which best power bank for Samsung actually delivers—fast charging, compact design, and enough juice to get you through the chaos of modern life. Now it’s just about picking the one that fits your daily grind. Going ultra-compact for everyday top-ups? Or max capacity for weekend getaways? Either way, you’ve got options that work. Grab the one that fits your vibe and stop stressing about low battery warnings for good.

FAQs

What is the best power bank for Samsung phone?

For Samsung phones, the best power banks are the ones that support USB-C Power Delivery with PPS, which enables Samsung’s Super-Fast Charging. The Anker Nano Power Bank 10K (45W, A1638) is a top choice for Galaxy S24 Ultra and Z Fold users thanks to its full 45W PPS output and built-in USB-C cable. If you’re after something ultra-compact for everyday use, the Anker Nano 10K (30W, A1259) delivers reliable 25W fast charging in a small, pocketable form.

How do I choose a power bank for my Samsung phone?

Start by checking your phone’s charging speed—most Samsung models support 25W, while premium models like the S24 Ultra go up to 45W. Look for a power bank that supports USB-C Power Delivery (PD) with PPS to ensure you get the fastest possible charge. If you just need top-ups during the day, a 10,000 mAh bank will do; for travel or all-day use, go for 15,000~20,000 mAh or more. Think about size, weight, and whether features like a built-in cable or a display screen matter to you.

What is the best power bank in the UK?

In the UK, Anker consistently ranks among the most trusted brands for portable charging, offering solid build quality and fast-charge support. The Anker Nano 10K (45W, A1638) stands out as one of the best power banks available—compact yet powerful enough to fast-charge Samsung phones at 45W. The Anker Prime 20K (A1336) is another top pick for UK users needing to charge phones, tablets, and laptops together, especially for work or travel.