Battery Requirements:

• Requires 2 AA alkaline batteries
• Expected battery life is up to 5 months

Checking battery status

You can check your mouse's battery status using the Logitech SetPoint mouse and keyboard software. See answer null for instructions.

Installing New Batteries

When you install new batteries in your mouse, make sure they face the correct direction, as shown in the image below:

NOTE:The M150 mouse is included in the Wireless Combo MK220.

Extending battery life

• Use only quality alkaline batteries.
• Make sure replacement batteries are new and within the manufacturer's expiration date.
• Don't mix old and new batteries or batteries of different brands.