This repair guide shows how to remove the battery on the BlackBerry 8703e.
Press the button with one hand while applying downward pressure with the other hand on the middle of the phone to slide the battery cover off.
Remove the battery cover completely and set it aside.
Locate the rectangular battery in the middle of the phone.
Locate the notch on the top right of the battery compartment.
Slide your fingernail in the notch, then lift upwards on the top of the battery to remove it from the phone.
Set the battery aside.