An apparatus (100) that charges a portable electronic device is disclosed. The apparatus can include a portable electronic device housing (110) including a first aperture (111) and at least one second aperture (112). The apparatus can include a battery (120) coupled to the portable electronic device housing and a generator (130) coupled to the battery, where the generator can be configured to charge the battery. The apparatus can include a rotatable turbine (140) enclosed within the portable electronic device housing and coupled to the generator, where the rotatable turbine can be configured to drive the generator. The apparatus can include a conduit (150) coupled to the rotatable turbine and coupled to the first aperture, where the conduit can be configured to provide fluid flow to drive the rotatable turbine.