Best Portable Charger Under £50 in 2026: Top Power Banks Tested & Ranked
Quick Summary
- Best Overall: Anker PowerCore 10000 — outstanding capacity, compact design, and fast charging under £30
- Best Budget: INIU 10000mAh Power Bank — brilliant value with USB-C at under £18
- Best Premium (under £50): Anker 737 Power Bank (PowerCore 24K) — massive 24,000mAh with 140W two-way fast charging
Whether you’re commuting across London, hiking in the Highlands, or simply fed up with hunting for a plug socket at the airport, a reliable portable charger is one of the most useful gadgets you can own in 2026. The good news? You don’t need to spend a fortune. The market for power banks under £50 has never been stronger, with brands like Anker, INIU, and Baseus packing serious capacity and fast-charging technology into affordable, pocket-friendly devices. We’ve tested and researched the best options so you can buy with confidence and keep your devices powered wherever life takes you.
What to Look For in a Portable Charger Under £50
- Capacity (mAh): Higher mAh means more charges. A 10,000mAh bank will top up a modern smartphone roughly two to three times, while 20,000mAh is ideal for longer trips or charging multiple devices.
- Charging Speed: Look for Power Delivery (PD) or Quick Charge support. These standards can charge a phone to 50% in under 30 minutes — a huge advantage over standard 5W charging.
- Port Selection: A good portable charger should have at least one USB-C port and one USB-A port. USB-C is increasingly essential for modern phones, tablets, laptops, and earbuds.
- Size & Weight: Capacity always comes at a cost in size. If you want something that fits in a jeans pocket, stick to 10,000mAh. If weight is less of an issue, a 20,000mAh bank offers much better value per charge.
Comparison at a Glance
| Product | Price | Best For | Rating |
|---|---|---|---|
| Anker PowerCore 10000 | £28 | Everyday commuters & travellers | ★★★★★ |
| INIU 10000mAh Power Bank | £18 | Budget-conscious shoppers | ★★★★☆ |
| Anker 737 PowerCore 24K | £48 | Laptop users & heavy travellers | ★★★★☆ |
Our Top Picks
Anker PowerCore 10000
The Anker PowerCore 10000 remains the gold standard for everyday portable chargers in 2026. Weighing just 180g and small enough to slip into a coat pocket, it punches far above its weight. It delivers up to 12W output via its USB-A port, charges two devices simultaneously, and Anker’s PowerIQ technology automatically optimises the output for whatever device you plug in. The minimalist design and premium build quality make it feel expensive, yet it consistently sits around the £28 mark — remarkable value.
Pros
- Exceptionally compact and lightweight
- Rock-solid build quality from a trusted brand
- PowerIQ adaptive charging keeps devices safe
Cons
- No USB-C Power Delivery on base model (upgrade to 10000 PD for that)
- Slow to recharge itself via Micro-USB
INIU 10000mAh Portable Charger
If you want maximum bang for your buck, the INIU 10000mAh is genuinely hard to beat. For under £20, you get a USB-C input and output port (with 18W PD fast charging), a USB-A port, a built-in LED torch, and an attractive slim profile. INIU may not have the same brand recognition as Anker, but this power bank has accumulated tens of thousands of positive reviews on Amazon UK and consistently delivers what it promises. It comfortably charges an iPhone 15 twice over and tops up an Android flagship at least once and a half.
Pros
- Includes USB-C PD fast charging at a budget price
- Slim, lightweight, and easy to carry
- Handy built-in LED torch
Cons
- Less premium feel compared to Anker
- Recharging via USB-C takes around 3–4 hours
Anker 737 PowerCore 24K
For those who need serious power on the road — think laptops, tablets, and multiple phones — the Anker 737 PowerCore 24K is an exceptional buy right at the top of our budget. Its headline feature is 140W two-way USB-C Power Delivery, which means it can charge a MacBook Air at full speed or be recharged from a 140W charger in under 100 minutes. The 24,000mAh capacity is enough to charge an iPhone 15 nearly six times, and the smart display shows real-time wattage and remaining battery percentage. It’s heavier at around 580g, but for heavy travellers or remote workers, it’s transformative.
Pros
- 140W two-way fast charging — powers laptops
- Huge 24,000mAh capacity for multiple charges
- Smart digital display shows wattage & battery level
Cons
- Quite heavy and bulky — not truly pocketable
- 140W charger not included in the box
Who Should Buy a Portable Charger Under £50?
A portable charger under £50 is ideal for the vast majority of people — from students and daily commuters to weekend travellers and festival-goers. If you regularly find yourself away from a plug socket for more than a few hours, even a budget 10,000mAh power bank can be genuinely life-changing. Commuters on the London Underground, hikers on the Pennine Way, or parents chasing toddlers around soft play centres will all benefit enormously from having one tucked in a bag.
Those who work remotely, travel for business, or rely on a laptop throughout the day should consider stretching to the upper end of this budget. The Anker 737 PowerCore 24K at around £48 offers laptop-charging capability that would have cost well over £100 just a few years ago. It’s also a smart gift option — universally useful and genuinely appreciated.
Final Verdict
The best portable charger under £50 in 2026 is unquestionably the Anker PowerCore 10000 for most people — it’s compact, dependable, and priced brilliantly at around £28. Shoppers on a tight budget will be delighted by the INIU 10000mAh, which brings USB-C fast charging to under £20. And if you want the absolute maximum performance this budget can buy, the Anker 737 PowerCore 24K is a powerhouse that can even charge laptops. Whichever you choose, there has never been a better time to invest in portable power.
Frequently Asked Questions
Is a 10,000mAh power bank enough for travel?
For most travellers, yes — a 10,000mAh power bank will charge a modern smartphone two to three times, which is more than enough for a day trip or short break. If you’re going away for several days without regular access to plug sockets, consider a 20,000mAh model for added peace of mind.
Can I take a portable charger on a plane?
Yes, but with restrictions. Most airlines and the UK Civil Aviation Authority allow power banks in hand luggage only — never in checked baggage. Banks up to 100Wh (roughly 27,000mAh at 3.7V) are generally permitted without prior approval, while those between 100–160Wh require airline permission. Always check with your specific carrier before flying.
What does Power Delivery (PD) mean on a portable charger?
Power Delivery (PD) is a fast-charging standard that uses USB-C to deliver much higher wattage than standard charging — often 18W, 30W, 45W, or even 140W on premium models. This means your phone or laptop charges significantly faster than it would with a traditional 5W charger. If your device supports PD, it’s well worth prioritising this feature.
How long does it take to recharge a portable charger itself?
This varies greatly by model and the charger you use. A 10,000mAh power bank charged via USB-C PD typically takes 3–4 hours to fully recharge, while larger 20,000mAh+ banks can take 5–8 hours via a standard plug. Using a higher-wattage wall charger significantly reduces recharge time, especially on models that support fast two-way charging.
Are cheaper power banks safe to use?
Reputable budget brands like INIU, Baseus, and RAVPower are generally very safe, as they use quality lithium cells and include protections against overheating, overcharging, and short circuits. However, it’s worth avoiding unbranded power banks from unknown sellers, as these may lack proper safety certifications. Always look for CE or UKCA certification markings on any power bank you buy in the UK.