Portable charger with a rechargeable back-up battery
First Claim
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1. An apparatus for charging a battery of a portable electronic device, the apparatus comprising:
- a first electrical connector for providing power from an external power source;
a power converter for converting the power from the external power source;
a back-up battery;
a first charging management circuit for controlling the charging of the back-up battery with the converted power from the power converter; and
a second electrical connector for electrically connecting the battery of the portable electronic device to the back-up battery and the external power source;
wherein the battery of the portable electrical device is chargeable from both the external power source and the back-up battery.
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Abstract
A portable battery charger with a rechargeable back-up battery is disclosed. The portable charger comprises a first electrical connector for coupling the charger to an external power source, a second electrical connector for coupling the charger to a battery of a portable electronic device, a power converter, a back-up battery, and charging management circuitry. The portable charger is able to charge the battery of the portable electronic device from either its back-up battery or the external power source.
45 Citations
41 Claims
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1. An apparatus for charging a battery of a portable electronic device, the apparatus comprising:
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a first electrical connector for providing power from an external power source;
a power converter for converting the power from the external power source;
a back-up battery;
a first charging management circuit for controlling the charging of the back-up battery with the converted power from the power converter; and
a second electrical connector for electrically connecting the battery of the portable electronic device to the back-up battery and the external power source;
wherein the battery of the portable electrical device is chargeable from both the external power source and the back-up battery. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. An apparatus for charging a battery of a portable electronic device, the apparatus comprising:
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a first electrical connector for providing power from an external power source, the external power source having a specified voltage;
a power converter for converting power from the external power source;
a back-up battery having a maximum charging voltage;
a first charging management circuit for controlling the charging of the back-up battery with the converted power from the power converter; and
a second electrical connector for electrically connecting the battery of the portable electronic device to the back-up battery and the external power source such that the battery of the portable electronic device is chargeable from both the external power source and the back-up battery;
wherein the maximum charging voltage of the back-up battery is less than the specified voltage of the external power source. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29)
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30. An apparatus for charging a battery of a portable electronic device, the apparatus comprising:
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a housing;
a first electrical connector for electrically coupling to an external power source, wherein the first electrical connector forms part of the housing;
a means for converting power from the external power source, wherein the means for converting power from the external source is located within the housing;
a back-up battery disposed within the housing;
a first charging management circuit for controlling the charging of the back-up battery with the converted power from the means for converting power from the external source, wherein the first charging management circuit is disposed within the housing; and
a second electrical connector for connecting the battery of the portable electronic device to the housing;
wherein the battery of the portable electrical device is chargeable from both the external power source and the back-up battery. - View Dependent Claims (31, 32, 33, 34, 35, 36, 37, 38, 39)
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40. An apparatus for charging a battery of a portable electronic device, the apparatus comprising:
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a first electrical connector for providing power from an external power source;
a power converter for converting the power from the external power source;
a back-up battery;
a first charging management circuit for controlling the charging of the back-up battery with the converted power from the power converter;
a second charging management circuit for controlling the charging of a battery of a portable electronic device;
a second electrical connector for electrically connecting the battery of the portable electronic device to the back-up battery and the external power source;
a means for enabling a battery of a portable electronic device to be chargeable from either of the external power source or the back-up battery. - View Dependent Claims (41)
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Specification