Nitecore Carbo 20 Orange 20000mAh USB-C Fast Charging Power Bank

At the heart of the Carbo 20 is a 20,000 mAh lithium-ion battery with a rated energy of 77.6 Wh. That is enough reserve to top up a typical smartphone several times before the power bank needs charging itself. For a weekend hike, a long-haul trip or a day of back-to-back meetings, it means you can stop worrying about the battery icon. The exact number of charges depends on your device's battery size and how you use it.

Nitecore lists fast charging support for the Carbo 20, so compatible phones and tablets can refill noticeably quicker than with a basic slow-charging power bank. That matters when you only have a short break between trains or before heading out. The manufacturer does not specify which fast-charging standards or maximum output wattage are supported, so check your device's requirements if you rely on a particular charging speed.

The power bank has two USB Type-C ports and can charge up to two devices simultaneously. You can top up your phone and wireless earbuds together, or share power with a travel companion without taking turns. Because both ports are USB-C, you can use the same modern cables you already carry for most current smartphones, tablets and accessories, which keeps your kit simpler and lighter.

When the Carbo 20 itself runs low, it recharges through USB Type-C. There is no proprietary connector or separate adapter to keep track of; a standard USB-C charger and cable will do the job. This is particularly handy when travelling, since the laptop or phone charger you already pack can also restore the power bank overnight in a hotel room or at home.

Weighing 320 g, the Carbo 20 is a reasonable companion for a backpack, daypack or carry-on. The black body with orange accents stands out against outdoor gear and in cluttered bags, so it is less likely to be left behind at a campsite or café. Nitecore is well known for outdoor lighting and power equipment, and this power bank fits naturally alongside headlamps and other kit.

This power bank suits hikers, campers and travellers who want serious capacity in a portable format, as well as commuters and students who use their phones heavily throughout the day. Anyone whose devices charge via USB-C will appreciate having two matching ports and a USB-C input. If you regularly need to keep two gadgets running at the same time, the dual-port design is a practical advantage.