On Order Dell Mobile, Smartphone Battery Li-ion Battery fits Dell, aero, mini 3, mini 3i 3.7V, 920mAh CS-DEM3SL $30.14 High quality parts and components are used to provide an extremely long and useful life. Batteries come in a variety of different formats, often a single model of battery will actually replace hundreds of other models in a multitude of different devices. The manufacturers of many devices have assigned different part numbers to like batteries. We can... Add to cart