Welcome back for another week of giveaway's for Android accessories from ShopAndroid.com! Today we'll be featuring the HTC 2750mAh Extended Battery for HTC ThunderBolt, Smartphone Experts Crystal Case for Motorola Atrix 4G, Seidio SURFACE Holster for Droid X/X2, and the Mobi Skin Case for Motorola Droid Bionic.

After reviewing our hands-on videos of each of these Android accessories, be sure to leave your comment below stating which item you'd like to win.  Next Monday we'll announce the winner of today's giveaway. Good luck!

HTC 2750mAh Extended Battery w/ Door for ThunderBolt

The HTC 2750mAh Extended Battery w/ Door for HTC Thunderbolt significantly increases talk and standby time, and is "memory-free" so you charge up at any time. This OEM extended battery is lightweight and comes with an extended battery door which replaces the stock cover.

> More HTC ThunderBolt accessories

Smartphone Experts Crystal Case for Motorola Atrix 4G

The Motorola Atrix 4G SPE Crystal Case is the perfect solution for protection for anyone who prefers the original look of their Atrix 4G.  The crystal case is completely transparent, and made of a highly durable plastic shell featuring cutouts for all of the device's ports and buttons.  It's great against drops, extremely lightweight, and easy to install and remove.

>> More Motorola Atrix 4G accessories

Seidio SURFACE Holster for Motorola Droid X/X2

The durable spring clip on the Seidio SURFACE Holster holds your Motorola Droid X/X2 securely in place, and then lifts for quick and easy access.  The holster features a felt liner interior that protects your Droid X/X2's screen when inserted face-in.  You can wear this holster in seven different positions, ranging between vertical and horizontal.  Holster requires the use of the Seidio SURFACE Case to fit properly.

>> More Motorola Droid X accessories

Mobi Products Skin Case for Motorola Droid Bionic

Made of highly durable material that feels great in your hand, the Mobi Skin Case features anti-slip properties that give your Motorola Droid Bionic more grip on all types of surfaces.  There are cutouts for all the Droid Bionic's features and the screen is left completely accessible. The Mobi Skin Case helps absorb the shock from any accidental drops and is easy to install and remove.

>> More Motorola Droid Bionic accessories