Seidio CONVERT Extended Case for HTC Thunderbolt (fits 2750 / 3200 mAh batteries)
True versatility emerges in the cutting-edge design of the Seidio CONVERT Extended. An industry-first, the CONVERT Extended features two smartphone cases in one - a sleek case for everyday protection and a heavy-duty case for the demands of the outdoors or rugged professions. While using your OEM 2750mAh or Seidio Innocell Extended Life Battery, start with our SURFACE   Extended case and upgrade by adding a layer of shock-absorbing silicone and a precision-fit skeleton. The CONVERT Extended case for the HTC ThunderBolt has also passed the MIL-STD-810G Mil Spec Drop Test, which is a durability test based on military requirements. On top of the protection offered by the case, your HTC ThunderBolt will remain secure thanks to our patented locking CONVERT Extended  holster that fits a duty or utility belt up to 2" wide.Also this does not come with a battery.