Removable Battery Pack

A battery for a mobile device includes: a battery housing including an inner wall, an opposing outer wall, a rear wall, and an opposing forward wall, the rear and forward walls each joining the inner and outer walls; an electrical contact disposed on the inner wall, configured to engage with an electrical interface within a device housing; a seal on the inner wall surrounding the electrical contact and a further portion of the inner wall, and configured to engage a complementary surface within the device housing; a hook extending from the forward wall, configured to engage the device housing to establish a pivot axis of the battery housing during battery insertion and removal; and a latch extending from the rear wall, biased towards an extended position to secure the battery within the device housing, and movable to a retracted position to release the battery from the device housing.