A backup battery for any PWR modular product. Use this 5000mAh PWR Bank as an additional battery for your PWR bike light, to charge your phone, watch or Garmin ...whatever device you like.
Knog aren’t the first to seek a better use of batteries. Think about power tools that have a universal battery system. Save the environment, save space, save weight, and perhaps most important to you: save money. After all, batteries often make up over 50% of the cost of these types of products.