Introduction: Never Be Powerless Again
There’s one thing more frustrating than a slow Wi-Fi connection—a dead phone when you need it most. Whether you’re commuting, at class, traveling, or deep in a workday, battery life shouldn’t hold you back.
Enter the UGREEN 10000mAh PB311 Power Bank – sleek, reliable, and powerful enough to keep your devices charged throughout the day.
Now available at Phonex Technologies, this power bank is the perfect blend of style, speed, and safety—and it fits right into your pocket or bag.
1. Small Size, Serious Power
You might be thinking: “It’s just a power bank. What’s special about it?”
Here’s the answer: everything.
The PB311 packs 10000mAh of power into a palm-sized body. That’s enough to:
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Charge an iPhone 14 about 2 times
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Charge a Samsung S22 roughly 1.8 times
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Fully charge most wireless earbuds 10+ times
With 20W Power Delivery (PD) output, your devices charge faster than ever before.
2. Fast Charging That Matches Flagships
Gone are the days of waiting for hours just to get a 40% charge. The PB311 features 20W PD and Quick Charge 3.0 support, meaning you can:
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Charge an iPhone 13 from 0% to 60% in just 30 minutes
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Fully charge a Google Pixel in under 90 minutes
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Use it with tablets, wireless headphones, and even some USB-C laptops
In short, it delivers the kind of speed you’d expect from a premium wall charger—but with the freedom to take it anywhere.
3. Two-Way USB-C Fast Charging
Most power banks only give. The PB311 also receives—quickly.
Thanks to its USB-C input/output combo, the same port that charges your phone can recharge the power bank itself in as little as 3.5 hours using a PD charger.
This two-way fast charging feature means:
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Less waiting
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Less hassle
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One cable does it all
It’s perfect for modern users who don’t want to carry a dozen different chargers.
4. Universal Compatibility
Whether you’re an Android fan, iPhone user, or juggling multiple devices, the PB311 delivers.
It supports:
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✅ iPhones (with USB-C to Lightning cable)
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✅ Android phones (Samsung, Huawei, Xiaomi, OnePlus)
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✅ Tablets (iPad Mini, Galaxy Tab)
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✅ Earbuds, cameras, smartwatches, and handheld game consoles
It’s one charger to rule them all.
5. Pocket-Sized, Travel-Ready
This is not a bulky brick. The PB311 has a sleek matte black finish, rounded edges, and fits comfortably in your palm, jeans pocket, or clutch bag.
It’s also:
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✈️ Airline safe
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Business-travel approved
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School and commute ready
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️ Ideal for bedside use
Whether you’re exploring the city or binge-watching Netflix in bed, it’s the ideal charging companion.
6. Safety Comes Standard
UGREEN takes safety seriously. The PB311 is built with multi-layer protection against:
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Over-charging
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Over-heating
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⚡ Short-circuits
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Over-voltage and over-current issues
It also features intelligent power delivery recognition, meaning it adjusts current automatically based on the connected device.
So yes—your devices are in safe hands.
7. Smart Charging, Simplified
This power bank isn’t just powerful—it’s also intelligent.
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Smart detection chip ensures optimal current to every device
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LED indicators show battery level and charging status
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Auto shut-off when devices are fully charged, extending battery life
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Compatible with low-current devices like fitness bands and wireless earbuds
Set it, forget it, and trust it.
8. Why Buy from Phonex Technologies?
You could buy your power bank from anywhere. But here’s why Phonex Technologies is the smart choice:
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️ 100% Original UGREEN Products
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Same-day delivery within major towns
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Best price guarantee
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Optional accessories (cables, pouches)
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Helpful staff, local support
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Bulk offers for schools and corporates
We don’t just sell tech—we back it up with service.
9. FAQs
Q: Can I charge two devices at once?
Yes. Use the USB-A and USB-C ports simultaneously.
Q: Will this work with iPhone 15?
Yes, including iPhone 15 and 15 Pro via USB-C.
Q: How many full charges can it deliver?
2 full charges for most smartphones, depending on battery size.
Q: Does it come with a charging cable?
Usually includes a USB-C cable. Confirm at purchase or add one from Phonex.
Q: Is it good for international travel?
Yes, it meets all airline travel standards and is safe for carry-on.
10. What’s in the Box?
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1× UGREEN PB311 10000mAh Power Bank (Black)
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1× USB-C Charging Cable
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1× User Manual
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1× Warranty Card (Via Phonex Technologies)
11Final Verdict: Power You Can Trust
With fast 20W charging, two-way USB-C support, and a compact body, the UGREEN PB311 isn’t just another power bank—it’s the daily backup every modern user needs.
Whether you’re in a meeting, a matatu, a library, or on Safari—you’ll never have to worry about running out of power again.
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