'This 30% off power bank has a genius feature that makes it my everyday pick'

The days when a phone battery could last for weeks are long gone. With software updates and excessive background activity draining the battery, I often find myself reaching for a power bank during holidays or even just a long day out.

Ever since a friend gifted me the , it has been my handbag staple and I enjoy using it, particularly with its adaptive design. Anker has now reduced the price from £29.99 and offered £8 off to customers, retailing it for £21.99.

There are five chic colours available and the one I have is Ice Lake Blue. The nano power bank definitely lives up to its name for being tiny and lightweight and I can fit it in my jeans pocket or micro bag for an evening night out.

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This power bank boasts two high-speed charging ports with an impressive 22.5W output, allowing it to charge up my 15 Pro Max pretty quickly. One full charge uses about a quarter of the power bank's battery; however, when I used it on my old Samsung Galaxy Z Flip 2, it consumed nearly half of the power bank's battery to fully charge the phone.

Considering the smartphone's battery degradation, I was pleased that the Anker power bank could hold two full charges, as reported by .

In terms of size and weight, it is probably the lightest of all the power banks I own, compared to the (now on 41% off and reduced to £16.48 on Amazon) and the with lovely prints (£77.95). The palm-sized rectangular block weighs 98.5g, while the latter two weigh around 145g.

However, the Anker charger is not MagSafe compatible and the foldable USB-C connector can be a hit and miss. It makes the bottom of the phone quite heavy and there were several occasions where the connector bent and dislodged while I was charging the phone. But the feature also offers users a better user experience as I can keep my phone case on without adding bulk at the back of the phone.

Given its compact size, the Anker Nano Power Bank is ideal for a quick battery boost when the phone's power dips to half. You can .

Easily portable, you can slip it into your handbag, travel case or luggage. The power bank is compatible with a range of devices including the iPhone 15 Series, Samsung S22 and S23 Series, Samsung Note20, Note20 Ultra, Huawei Mate, P Series, iPad Pro or Air Series and more.

Anker has advised that due to the foldable design of the USB-C connector, it's best to hold both the phone and the power bank while charging. They also noted that it's not compatible with phone cases thicker than 0.19 in (4.9 mm), such as OtterBox Defender cases.