Seidio Innocell 1900mAh Slim Extended Battery for HTC EVO 3DThe Sept. 28 Deal of the Day brings us the Seidio Innocell 1900mAh Slim Extended Battery for the HTC EVO 3D. That's a mouthful for what amounts to a stock battery size with a little extra juice over the 1730 mAh battery that comes with the phone. It's available today only for $34.95 -- that's 30 percent off. Get yours while supplies last!