Measuring 3.75'' by 2.5'', the Batman Symbol Portable Powerpack is a great way to make sure that you always have some extra juice for that cell phone of yours. You may be out, searching for the Joker and using your GPS App and BAM! Battery is dead!

You won't have that problem with this sweet Batman spare battery. You'll get extra life out of that Bat-phone of yours and show off your love in the Caped Crusader. You can't go wrong with his symbol and minimalist version of his cowl! Oh, and this badboy also comes with its own micro USB cable. Gotta have one of those!

*Battery capacity - 2500 mAh *Up to 1 complete charge
  for smartphones
*Battery type - Li-Polymer
*Safety features - Charging control, charging
  protection, Short-circuit protection,
  Overheating protection
*Output - 5V/1A
*Input - 5V/1A
*Lifecycle - 300 cycles (full charge)
*Dimensions - 96 x 62 x 6,5 mm
*Contents - Power Essentials, micro-USB charging cable