Replace your Logitech MX Keys Keyboard Battery with a NewPower99 Battery Replacement Kit that includes a 1500 mAh, High Capacity Lithium Polymer Battery. Your Kit comes with FREE Special Installation Tools and Step by Step Video Instructions to help guide you through SUCCESSFULLY replacing the Battery in your Logitech MX Keys Keyboard. You also get a Full One Year Money Back Guarantee on the new battery. Give New Life to Your Logitech MX Keys Keyboard with this complete Battery Replacement Kit!