Hands-on: Mugen Power Extended Battery case for the Moto X, an extra 2,800 mAh and a microSD card slot Summary: The Moto X battery satisfies many folks, but I need to charge it up to get through a day. Mugen Power has a solution that also adds a microSD expansion card slot. By Matthew Miller for Smartphones and Cell Phones | August 20, 2014 -- 16:00 GMT (09:00 PDT) Follow @palmsolo SHARE: SUBSCRIBE TO: Mobility TOPICS: Mobility, Android, Smartphones 1 By Matthew Miller for Smartphones and Cell Phones | August 20, 2014 -- 16:00 GMT (09:00 PDT) Previous | Next Image 3 of 5 Back of the case with the indicator lights showing a full charge Bottom with the microSD card slot and selector switch Side openings for power and volume Topics: Mobility, Android, Smartphones Kick off your day with ZDNet's daily email newsletter. It's the freshest tech news and opinion, served hot. Get it.