Perfit Fit: The LK-72 is an optional battery pack kit designed for the PIXMA TR160 and TR150 Wireless Portable Printer.Including Battery Cover Lightweight & Portable: Lightweight & Portable: With the LK-72 battery pack, take your PIXMA TR160 and TR150 Wireless Portable Printer on the go and print up to 330 sheets on a full charge1 With Battery Cover: 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 Large Capacity: 10.8V 5000mAh high capacity battery, this LK-72 li-ion battery is a great backup battery pack for take out to use without the need for an AC power outlet Instant Battery Level Check: Stay informed by simply press the "PUSH" button to display the current power percentage, ensuring you know when it's time to recharge