Traduciendo paso 3
After the rear panel is gone, the battery can be easily removed from its home.
The Streak's 3.7 V 1530 mAh (5.66 Whr) battery reportedly powers the gargantuan device for...well...we don't know how long.
The inner face of the battery is covered with a sheet of steel, rather than plastic, to decrease its overall thickness. Perhaps the Streak also doubles as body armor?