Auxiliary Battery Pack
First Claim
1. An auxiliary battery pack for use with a rechargeable battery powered portable electronic audio device comprising:
- a. an auxiliary battery for providing a portable direct current power source effective for operating a portable electronic audio device;
b. a battery charge-protection circuit electrically connected to auxiliary battery, the battery charge-protection circuit effective for protecting the rechargeable battery, avoiding overcharge and damage to the auxiliary battery;
c. a multi-part housing having as a first portion a durable protective covering for the auxiliary battery and the battery charge-protection circuit, and as a second portion a protective covering made of a resilient material which protects and cushions the portable electronic audio device, whereby the second resilient covering secures and maintains an electrical connection between the portable device contained in the resilient second covering portion of the housing and the auxiliary battery contained in the first durable portion of the housing;
d. means for electrical interconnection of the portable direct current power source to the rechargeable battery of the audio device; and
e. means for charging the auxiliary battery and the portable electronic audio device battery.
1 Assignment
0 Petitions
Accused Products
Abstract
An auxiliary battery pack for use with rechargeable battery powered portable electronic audio devices. The battery pack includes a housing, a portable direct current power source which is contained in the housing, and means for electrical interconnection of the portable direct current power source to the rechargeable battery of the audio device. The battery pack further includes a USB port for charging the auxiliary and rechargeable batteries of the battery pack and audio device. An audio jack connection is provided in the battery pack housing to permit audio output from the audio device when the battery pack is in use.
48 Citations
10 Claims
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1. An auxiliary battery pack for use with a rechargeable battery powered portable electronic audio device comprising:
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a. an auxiliary battery for providing a portable direct current power source effective for operating a portable electronic audio device; b. a battery charge-protection circuit electrically connected to auxiliary battery, the battery charge-protection circuit effective for protecting the rechargeable battery, avoiding overcharge and damage to the auxiliary battery; c. a multi-part housing having as a first portion a durable protective covering for the auxiliary battery and the battery charge-protection circuit, and as a second portion a protective covering made of a resilient material which protects and cushions the portable electronic audio device, whereby the second resilient covering secures and maintains an electrical connection between the portable device contained in the resilient second covering portion of the housing and the auxiliary battery contained in the first durable portion of the housing; d. means for electrical interconnection of the portable direct current power source to the rechargeable battery of the audio device; and e. means for charging the auxiliary battery and the portable electronic audio device battery. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification