Trident Electra Extended Battery and Case for Motorola DROID X & X2 - Retail Packaging - Black The Electra Series protective case and extended-life battery for Motorola Droid X and Droid X2. Constructed from high impact-resistant polycarbonate and double-enforced with a shock absorbing silicone outer-ring. The 3200 mAh more than doubles the life of the device compared to the standard 1500 mAh battery. Dust protectors over microphone and speaker bays keep out dust and debris while the audio and power jacks are fully protected under silicone plugs when not in use. Motorola Droid X/X2