Ultra-portable design
With weight and thickness reduced to a minimum, the Choetech B850 powerbank is ideal for everyday use, travel, work or trips. You can easily fit it in your bag, backpack or even in your pocket. Its light weight and compact size means you’ll never have to worry about extra weight.

Fast charging by two methods
Choetech B850 offers wired charging via a 12W USB-C cable to charge your device up to 60% in just 30 minutes. Automatic output power adjustment (5W, 7.5W, 10W, 12W) ensures optimal charging for each device, without tangled wires. In addition, the B850 renews the energy of other devices while charging itself, making it even more practical.

Safety at the highest level
The power bank is designed with ten-layer PCBA circuit protection, ensuring maximum safety for your devices. Protection against over heating, over voltage, over charging or short-circuit are just some of the advanced protections the B850 offers. So you can rest assured that your devices are fully protected while charging.

Wide compatibility and intuitive operation
Choetech B850 is compatible with a wide range of devices, such as iPhones 12-17 series, Samsung Galaxy S series smartphones, Google Pixel, AirPods Pro headphones and SONY WF. A built-in LED indicator allows you to easily monitor the charge level, and simple, intuitive buttons allow you to manage functions