My favorite power bank for traveling is waterproof and surprisingly lightweight

Key points of ZDNET

• The Klarus K5 waterproof power bank available on Amazon for $70.
• This is a rugged, water- and dust-resistant power bank covered in genuine carbon fiber, making it about 30% lighter than other comparable chargers.
• There are no covers for the USB ports allowing dirt and water to accumulate, and there are no larger options.

I’ve tested and owned countless power banks—I easily test more than a hundred new ones every year—and they often come with a variety of bells and whistles. However, in a world where most smartphones can withstand being submerged in water, it is rare to find a power bank that is equally durable.

So, whenever I come across a power bank that is rated for water and dust resistance, it immediately piques my interest. Such resilience of a power bank is not only impressive but also extremely practical for anyone with an active, outdoor lifestyle.

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The Klarus K5 has done just that, a carbon fiber-wrapped power bank that has it all – super light, super thin and waterproof to IP68 standards.

View at Amazon

Klarus K5 technical specifications

• Capacity: 10000mAh
• USB-C input: 5V⎓3A / 9V⎓2A / 12V⎓1.5A
• USB-A/USB-C output: 5V⎓3.1A / 9V⎓2.5A / 12V⎓1.68A
• trickle charging: Yes, up to 20 mA reduction
• Water/dust resistant: IP68
• Size: 105.7 x 63.4 x 13.6 mm
• Weight: 157 g

Let’s dive into the IP68 rating. “IP” stands for “Ingress Protection”, as defined by international standard IEC 60529. IP ratings consist of two digits; The first digit represents the level of protection against solid particles (from rocks to dust) and the second represents liquid protection. The IP68 rating denotes that the device is completely dustproof (i.e. “6”) and waterproof to depths of more than 1 meter (i.e. “8”), in which case the K5 is Waterproof to a depth of 10 meters.

I thoroughly tested the dust and water resistance of this power bank and it pulled off both factors impressively. However, I wish it had a USB port cover to prevent dirt and water from getting inside. Although a quick shake is enough to remove water, removing dust and sand can be more difficult.

The next outstanding feature of the K5 is its beautiful design. It is both super thin and super light, making it extremely portable. The carbon fiber exterior not only enhances durability but also adds sophisticated style. It has a USB-C port that serves as both input and output, as well as a USB-A port to accommodate legacy devices.

In addition, the power bank is also equipped with a small on/off button, next to a small but clear LCD screen that displays the remaining battery capacity. These thoughtful features combine functionality with a modern, rugged look, making the K5 both practical and attractive.

While there are certainly larger power banks available, the 157-gram Klarus K5 is ideal for light adventures. The 10,000 mAh capacity provides enough power for my multiple charges iPhone 15 Pro Max Or you can keep mine Go pro ran overnight to take timelapse photos. I am really satisfied with its small and light design.

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In fact, it’s about 30% lighter than other power banks of comparable capacity, a claim by the manufacturers that I found to be accurate. This makes it a great choice for those who prioritize portability without sacrificing performance.

As with all my reviews, I rigorously tested the K5 power bank against the claims made on its spec sheet regarding capacity and power output over several cycles. charging and discharging period. I am happy to report that it passed successfully. This is a really well-built power bank, both inside and out. Its performance matches its impressive design, making it a reliable and stylish choice for keeping your devices powered up.

ZDNET Buying Tips

The Klarus K5 The power bank is a great little device. It’s compact and light enough to easily fit in a pocket or bag, but still packs enough power to keep you charged throughout the day. Its sleek design and carbon fiber exterior are not only visually appealing, but also sturdy enough to withstand the rigors of long hikes or off-the-grid adventures.

I’m wary of dirt—especially sand—getting into the ports, so I keep it in a ziploc bag when going into particularly harsh environments to avoid the hassle of cleaning the ports later. Aside from this small precaution, the Klarus K5 is almost perfect as a power bank and has earned a spot in my hiking kit