discounted price2 x RAVPower 3.7V 1900mAh Dynamo-On-the-Go RC-BG58100 Mobile Phone Cell phone Battery Li-ion for HTC Sensation, Z710E, Sensation XE, Z715E, EVO 3D, Mytouch 4G Slide,Shooter, Amaze 4G, Pyramid, BAS560 + FREE RAVPower RP-UC01 White Multi-purpose Rapid Universal Travel USB Cellphone Battery Charger Adapter