In a deal that's sparking significant interest, a high-capacity portable power bank, so powerful it's prohibited from being taken onto aeroplanes, has received a massive price cut on Amazon.
A Powerhouse You Can't Fly With
Gareth Butterfield reported on 4th December 2025 that this compact device boasts a staggering 40,000mAh battery capacity. To put that into perspective, the limit for power banks on most commercial flights is typically around 25,000mAh, making this particular model too potent for air travel. Despite its pocket-friendly size, it packs enough power to keep multiple gadgets charged for extended periods away from a wall socket.
Specifications and the Staggering Discount
The power bank is equipped to charge three devices simultaneously via its four built-in ports and comes bundled with a three-in-one cable for convenience. An integrated LCD display provides real-time monitoring of remaining battery capacity and output wattage.
The most compelling part of the story is the price. The product is currently listed on Amazon with an 83% discount, slashing its price to just £34.99. While the listing suggests an original price of £199.99, that figure is difficult to verify. Regardless, at under £35, a power bank of this capacity represents a notable bargain for those needing serious portable power.
Understanding the Limitations
Potential buyers should be aware of the device's main limitation: its 22.5-watt output. This is perfectly adequate for efficiently charging most modern smartphones. However, it may be considered slow for larger tablets like iPads and would be significantly underpowered for charging most laptops, though its PD (Power Delivery) support means it will attempt to charge compatible devices.
As with many flash sales, this offer is time and stock-sensitive. The deal is expected to remain active only while current inventory lasts, and there is no confirmed date for when the price might increase again, if it does at all.
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