Hyperion Motorola DROID 3 Global 3500mAh Extended Battery + Back Cover Extend your talk time on your Motorola Droid 3 Global Phone. Designed and Manufactured by Hyperion Electronics Accessories. 3500 mAh Battery Capacity (with Extended Back Cover). Batteries use Hyperion Accessories "A" Grade Lithium Ion Cells. All batteries come with a 3 month manufacturers comprehensive warranty.