The LK-72 is an optional battery pack kit designed for the PIXMA TR150 wireless portable printer. Take your printer on the go & print up to 330 sheets on a full charge. Light & compact so you can take it with you for mobile printing convenience without the need for an AC power outlet. Easily attach & 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. Battery Type: Li-ion; for Use With: Canon PIXMA TR150; Voltage: 1 V; Material(s): Metal.