Electronics
NOBIS 45W 20000mAh Portable Power Bank — Fast USB-C & USB-A Charger
Product description
High-speed 45W charging: Advanced power delivery enables up to 45W output to connected devices and accepts 45W input so the unit itself can be refilled quickly. With compatible chargers, the 20,000mAh pack can be topped up in about two hours, reducing downtime on the road.
Large 20,000mAh capacity: Built around a high-performance lithium polymer cell, this power bank stores enough energy to refill most smartphones roughly 3–4 times and handheld consoles around 2–3 times, depending on device battery size and usage. Stable output keeps charging consistent for demanding devices.
Smart display and small-current mode: An integrated digital display reports remaining charge as a percentage so you can plan recharges without guesswork. Double-tap the power button to enable the low-current setting, which keeps power flowing to tiny accessories without tripping overcurrent safeguards.
Four-port charging: Two USB-C ports (both support in/out) and two USB-A outputs let you charge up to four devices at once. The unit supports common fast-charge protocols such as PD and QC to supply efficient, compatible power to phones, tablets, game consoles and other USB-powered gear.
Construction and contents: The shell is a robust ABS+PC fire-retardant plastic with internal lithium polymer cells. Typical dimensions are approximately 150 x 70 x 27 mm and its weight is about 380 g, making it pocketable in a bag. Included in the box: the power bank, a USB-C to USB-C charging cable, and a quick-start guide. Use it to top up phones, tablets, consoles and low-power accessories while travelling, commuting, or during outages.
Pros
- Fast 45W bidirectional USB-C charging
- Large 20,000mAh capacity for multiple recharges
- Clear digital percentage display and low-current mode
Cons
- Relatively heavy for pocket carry
- Takes space in small bags
- Low-current mode requires manual activation
VerdictA well-rounded 20,000mAh backup that blends rapid 45W bidirectional charging with a clear power readout and four-port convenience. It’s substantial in weight but delivers reliable multi-device support, smart low-current protection for tiny gadgets, and quick recharge times—good for travel and daily backup needs.
Reader reviews
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Michael 1/5
Arrived defective
Unit wouldn’t charge past about 80% and wouldn’t reset following the manual. Had to return it and choose a replacement.
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Rachel 5/5
Reliable and long-lasting
Keeps a charge for days and performs well. A bit on the heavy side but still compact enough to take along.
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Linda MacCombie 5/5
Handy during outages
My neighbor keeps one charged for power cuts and it’s been very useful. Good emergency backup.
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Winston K Hall 4/5
Lost capacity quickly
Started strong but seemed to drain faster than expected after a couple of uses. Charging it back up also takes a while.
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Sergio Cirillo 5/5
Bought a second one
This is the second I’ve purchased. Works flawlessly — highly recommended.
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Alfie Allenson 5/5
Better than cheap alternatives
Was hesitant at first but it performed well on holiday, charging my phone twice and still had juice left. Heavier than a phone but delivers and supports four simultaneous connections.
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Rita Armstrong 5/5
Perfect for travel
Worked perfectly on our cruise—kept phones charged each night when outlets were scarce.
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mark adams 5/5
Fast and multi-port
Powerful unit that uses both USB-C and USB-A cables to top up several gadgets at once. Charges quickly and is about the size of a small phone, easy to stash in a backpack or pocket.
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Valerian Irach 5/5
Excellent; will buy another
This power bank is great — attractive, charges quickly and stays cool. Dual USB-C and USB-A ports are very practical. I preferred a model without a built-in cable in case a cable breaks later.
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David D 5/5
Powerful and compact
Strong 45W output for fast charging. Compact design — not ultra-light but manageable — ideal for daily use when you need quick top-ups.
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J.Regmi 5/5
Charges multiple times
Once fully charged it will refill a phone roughly three times. Very satisfied with the performance.
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Wolfenhawke 5/5
Great size and functionality
Charges my phone and watch reliably. Compact and not too heavy. Low-power mode is useful for tiny accessories that otherwise trip chargers.
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Showme-thegoods 5/5
Solid daily carry with real 45W charging
After several weeks of regular use this has become my go-to charger. The 45W bidirectional PD works as advertised — it pushed a flagship phone from low charge to over 60% in about 30 minutes and the bank itself refilled quickly with a compatible brick. Build feels sturdy and the display is handy.
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