Computers, Laptops & Tablets Accessories & Hardware 66 66 people found this article helpful Battery Life in Magic Mouse Pulls a Disappearing Act Use rechargeable NiMH AA batteries to reduce power cost by Tom Nelson Writer Tom Nelson is an engineer, programmer, network manager, and computer network and systems designer who has written for Other World Computing,and others. our editorial process Facebook Twitter Tom Nelson Updated on July 23, 2020 The Ultimate Guide to Computer Mice The Ultimate Guide to Computer Mice Introduction Mouse Basics What Is a Mouse? Wired vs. Wireless: Which Is Better? Optical vs. Laser My Mouse Won't Work! How Do I Fix It? How to Connect a Wireless Mouse Tips for Using Your Mouse How to Change Mouse Speed or Sensitivity How to Use Your Phone as a Wi-Fi Mouse Best Way to Use a Trackball Mouse How to Clean a Wireless Mouse How to Clean a Dirty Computer Mouse Using Mice on Macs How to Use a Multi-Button Mouse with Your Mac Make Your Mac's Mouse Pointer Bigger Reducing the Magic Mouse's Battery Cost How to Fix Magic Mouse Disconnect Problems How to Fix a Magic Mouse Tracking Problem How to Use a Mouse With an iPad Configure Your Mac's Trackpad to Meet Your Needs How to Use the Virtual Trackpad on the iPad Our Recommendations: Best Mice The Best Wireless Mice The Best for Travel The Best for iPads The Best Vertical Mice The Best Ergonomic Mice The Best for Macs The Best Razer Mice Tweet Share Email The original Magic Mouse comes with AA alkaline batteries installed and ready for use. Some early users reported that battery life was low and lasted about 30 days. This weakness may be why Apple changed the battery type for the Magic Mouse 2 to an internal rechargeable lithium-ion battery. When your Apple wireless mouse is draining the battery, there's a simple solution. Apple, Inc. Sources of Magic Mouse Battery Drain If you experience an abnormal battery drain, it's possible the batteries, and not the mouse, are the culprit. In most cases, the Magic Mouse comes with Energizer batteries, which are a well-respected brand. However, it's difficult to know how long the batteries were on the shelf before being used. New, fresh batteries will likely last longer than the 30 days some users were getting out of the initial batch. Battery life also depends on usage. The Magic Mouse goes into hibernation when it isn't used, which extends battery life. Turning the Magic Mouse off manually when you're done using it, with the switch on the underside of the mouse, should also increase battery life. Switch to Rechargeable Batteries Another option to get the most life out of the Magic Mouse is to replace the default batteries with either lithium-ion AA or rechargeable nickel metal hydride batteries. Both should provide longer life. The NiMH batteries have the added benefit of being rechargeable. If you decide to use rechargeable batteries, look for NiMH AAs with a 2900 milliampere-hour rating or better. Many bubble-packed, brand-name rechargeables found in the checkout aisle of local hardware or grocery stores have a 2300 to 2500 mAh rating. These work, but don't have as much staying power, and you'll recharge these batteries often. The 2900 mAh batteries are sometimes referred to as high-capacity batteries. Lithium AAs are also available in various mAh ratings. The 2900 mAh rating is a good value. Lithium batteries have a longer life than standard alkaline AAs. These last longer than the NiMH batteries do on a single charge but aren't rechargeable. Lithium AAs are expensive when compared to standard AA batteries.