Genuine Canon LK-72 Battery Pack for mobile printing on the go The LK-72 is an optional battery pack kit designed for the PIXMA TR150 Wireless Portable Printer. With the LK-72 Battery Pack, take your PIXMA TR150 Wireless Portable Printer on the go and print up to 330 sheets on a full charge1. The LK-72 battery is light and compact so you can take it with you for mobile printing convenience without the need for an AC power outlet. Easily attach and detach the battery with no tools or additional attachments required. This genuine Canon battery pack provides peak performance that is specifically designed for compatible Canon printers.