# US 2014/0152257 A1 · Compact portable battery charger > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0152257 A1 - Document ID: US20140152257A1 - Status: Published application - Kind: A1 - Application number: 13/833,838 - Filed: 2013-03-15 - Published: 2014-06-05 - Earliest claimed: 2012-12-03 - Assignees: Halo2Cloud, LLC - Inventors: Garold C. Miller; Nathan Daniel Weinstein - Web page: https://patentgrep.com/patent/US20140152257A1 ## CPC - H02J 7/70: characterised by the mechanical construction - H02J 7/00: Circuit arrangements for charging or discharging batteries or for supplying loads from batteries - H02J 2207/30: Charge provided using DC bus or data bus of a computer - H02J 2207/40: adapted for charging from various sources, e.g. AC, DC or multivoltage - H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY ## Abstract A compact portable power charger having an internal rechargeable battery is provided with a wall plug interface and a car charger interface selectively and independently connected to the charger as power input interfaces for recharging the internal battery when the charger is connected to respective external power sources via the interfaces. Each interface is pivotably movable between an extended position where the interface projects outwardly away from the charger housing for use and a retracted position for storage of the interface within a respective cavity formed in the charger housing. The charger further includes a power output interface, such as a power connection port, operatively connected to the internal battery for providing an electrical charge from the internal battery to an electronic device when the electronic device is connected to the charger via the power output interface. ## Claims ### Claim 1 A portable charger unit for recharging at least one electronic device having a rechargeable internal battery, said portable charger unit comprising: a charger housing internally storing a rechargeable battery; at least one power input interface pivotably connected to the charger housing for movement between an extended position where said at least one interface projects outwardly away from the charger housing for use and a retracted position for storage of said at least one interface within the charger housing, said at least one power input interface being operatively connected to the internal battery for providing an electrical charge from an external power source to the charger unit when said at least one interface is operatively engaged with said power source and for recharging the internal battery when the charger unit is connected to said power source in said manner; and at least one power output interface operatively connected to the internal battery for providing an electrical charge from the internal battery to said at least one electronic device when said at least one electronic device is connected to the charger unit via the at least one power output interface. ### Claim 2 (depends on 1) The portable charger unit according to claim 1, wherein the at least one power input interface, in its retracted position, is disposed within a cavity formed in the charger housing so that said at least one power input interface is contained within the general footprint of the charger housing when not in use. ### Claim 3 (depends on 1) The portable charger unit according to claim 1, wherein said at least one power input interface comprises a wall plug interface operatively connected to the charger housing and configured for engagement with a wall socket. ### Claim 4 (depends on 1) The portable charger unit according to claim 1, wherein said at least one power input interface comprises a car charger interface operatively connected to the charger housing and configured for engagement with a car charger socket. ### Claim 5 (depends on 1) The portable charger unit according to claim 1, wherein said at least one power input interface comprises: a wall plug interface operatively connected to the charger housing and configured for engagement with a wall socket; and a car charger interface operatively connected to the charger housing and configured for engagement with a car charger socket. ### Claim 6 (depends on 5) The portable charger unit according to claim 5, wherein both the wall plug interface and the car charger interface are pivotable to respective retracted positions and disposed within the general footprint of the charger housing when in said retracted positions. ### Claim 7 (depends on 6) The portable charger unit according to claim 6, wherein said wall plug interface and said car charger interface are stored within a common cavity formed within the charger housing and are disposed in respective retracted positions within said cavity without interfering with movement of the other interface to its respective extended position. ### Claim 8 (depends on 7) The portable charger unit according to claim 7, wherein the wall plug interface and the car charger interface are each selectively movable to a respective extended position for use as a power input interface independent of the other interface. ### Claim 9 (depends on 1) The portable charger unit according to claim 1, wherein the at least one power output interface comprises a power connection port configured for connection with a power input interface of said at least one electronic device. ### Claim 10 (depends on 9) The portable charger unit according to claim 9, wherein the power connection port is capable of acting as a power input and a power output depending on what is connected to the charger unit via the power connection port. ### Claim 11 (depends on 10) The portable charger unit according to claim 10, wherein said power connection port acts as a power input when the power connection port is connected to an external power source that provides an electrical charge to the charger unit, and said charge is used for recharging the internal battery when the charger unit is connected to said power source via the power connection port; and wherein said power connection port acts as a power output when the power connection port is connected to the at least one electronic device, and a charge is provided from the internal battery of the charger unit to the electronic device to recharge the internal battery of said electronic device when said electronic device is connected to the charger unit via the power connection port. ### Claim 12 (depends on 1) The portable charger unit according to claim 1, further comprising power indicator means provided on the charger housing for indicating the power capacity level of the internal battery. ### Claim 13 A portable charger unit for recharging at least one electronic device having a rechargeable internal battery, said portable charger unit comprising: a charger housing internally storing a rechargeable battery; a wall plug interface configured for engagement with a wall socket and being operatively connected to the internal battery for providing an electrical charge from said wall socket to the charger unit when said wall plug interface is operatively engaged with said wall socket and for recharging the internal battery when the charger unit is connected to said wall socket in said manner, said wall plug interface being pivotably connected to the charger housing for movement between an extended position where said wall plug interface projects outwardly away from the charger housing for use and a retracted position for storage of said wall plug interface within the charger housing; a car charger interface configured for engagement with a car charger socket and being operatively connected to the internal battery for providing an electrical charge from said car charger socket to the charger unit when said car charger interface is operatively engaged with said car charger socket and for recharging the internal battery when the charger unit is connected to said car charger socket in said manner, said car charger interface being pivotably connected to the charger housing for movement between an extended position where said car charger interface projects outwardly away from the charger housing for use and a retracted position for storage of said car charger interface within the charger housing; and at least one power output interface operatively connected to the internal battery for providing an electrical charge from the internal battery to said at least one electronic device when said at least one electronic device is connected to the charger unit via the at least one power output interface. ### Claim 14 (depends on 13) The portable charger unit according to claim 13, wherein the wall plug interface, in its retracted position, is disposed within a cavity formed in the charger housing so that said wall plug interface is contained within the general footprint of the charger housing when not in use. ### Claim 15 (depends on 13) The portable charger unit according to claim 13, wherein the car charger interface, in its retracted position, is disposed within a cavity formed in the charger housing so that said car charger interface is contained within the general footprint of the charger housing when not in use. ### Claim 16 (depends on 13) The portable charger unit according to claim 13, wherein the wall plug interface, in its retracted position, is disposed within a cavity formed in the charger housing so that said wall plug interface is contained within the general footprint of the charger housing when not in use; and wherein the car charger interface, in its retracted position, is disposed within a cavity formed in the charger housing so that said car charger interface is contained within the general footprint of the charger housing when not in use. ### Claim 17 (depends on 13) The portable charger unit according to claim 13, wherein said wall plug interface and said car charger interface are stored within a common cavity formed within the charger housing and are disposed in respective retracted positions within said cavity without interfering with movement of the other interface to its respective extended position. ### Claim 18 (depends on 13) The portable charger unit according to claim 13, wherein the wall plug interface and the car charger interface are each selectively movable to a respective extended position for use as a power input interface independent of the other interface. ### Claim 19 (depends on 13) The portable charger unit according to claim 13, wherein the at least one power output interface comprises a power connection port configured for connection with a power input interface of said at least one electronic device. ### Claim 20 (depends on 19) The portable charger unit according to claim 19, wherein the power connection port is capable of acting as a power input and a power output depending on what is connected to the charger unit via the power connection port. ### Claim 21 (depends on 20) The portable charger unit according to claim 20, wherein said power connection port acts as a power input when the power connection port is connected to an external power source that provides an electrical charge to the charger unit, and said charge is used for recharging the internal battery when the charger unit is connected to said power source via the power connection port; and wherein said power connection port acts as a power output when the power connection port is connected to the at least one electronic device, and a charge is provided from the internal battery of the charger unit to the electronic device to recharge the internal battery of said electronic device when said electronic device is connected to the charger unit via the power connection port. ### Claim 22 (depends on 13) The portable charger unit according to claim 13, further comprising power indicator means provided on the charger housing for indicating the power capacity level of the internal battery.