Abstract: Systems and methods for an electronic lock which is powered wirelessly from mobile power supplies, including smartphones or other mobile computing devices. A system can include: a processor; a deadbolt or a latch; an electromagnetic device physically connected to the deadbolt or latch, the electromagnetic device electrically connected to the processor; and a power receiving unit, the power receiving unit configured to receive power from a mobile power supply, the power receiving unit electrically connected to the processor, wherein, upon receiving the power at the power receiving unit from the mobile power supply: the power receiving unit converts the power into an electrical current; the electrical current powers the processor; the processor sends instructions to the electromagnetic device to move the deadbolt or latch; and the electromagnetic device in response to the instructions, moves the deadbolt or latch.