Portable Battery Booster

Abstract

A portable battery booster for providing a compact, light, and energy efficient battery to jump start a vehicle. The portable battery booster generally includes a housing, a battery means adapted to be received by the housing, a pair of cable means, each of the cable means having a proximal end and a distal end, the proximal end electrically connected to the battery means and the distal end detachably connected to a discharged battery of the vehicle. The battery is generally comprised of one or more batteries having the type of primary lithium-metal, rechargeable lithium-ion, and/or lithium-polymer and more specifically preferably comprised of lithium iron phosphate for fast charging, small size, and high performance. The battery may also be connected to one or more supercapacitors, an internal CPU, DC/DC converter, etc. to increase performance. The cable means includes jaws that detachably connect to the housing in a flush and sleek manner.

1 . A portable battery booster for boosting a discharged battery of a motor vehicle, the portable battery booster comprising:
 a compact housing defining a chamber having a recharge port positioned thereon;   a lithium battery positioned within said chamber;   a DC/DC converter to receive a DC current from a power source and to provide a first charging current to said lithium battery;   a supercapacitor positioned within said chamber, wherein said lithium battery is configured to provide a second charging current to said supercapacitor; and   a processor positioned within said chamber to selectively provide a starter current from said supercapacitor to the discharged battery via a pair of cables.   
     
     
         2 . The portable battery booster of  claim 1 , wherein each of said pair of cables comprises a proximal end and a distal end having a clamp to detachably couple to a terminal of said discharged battery. 
     
     
         3 . The portable battery booster of  claim 2 , wherein said clamp comprises a plastic injection molded structure and metal clamping teeth. 
     
     
         4 . The portable battery booster of  claim 3 , wherein said clamp detachably connects to said compact housing when not in use. 
     
     
         5 . The portable battery booster of  claim 1 , wherein said lithium battery is a lithium iron phosphate battery or a lithium-polymer battery. 
     
     
         6 . The portable battery booster of  claim 1 , wherein said processor is configured to selectively provide the first charging current to said lithium battery. 
     
     
         7 . The portable battery booster of  claim 1 , wherein said compact housing is a generally rectangular shape. 
     
     
         8 . The portable battery booster of  claim 1 , further comprising a low voltage circuit to detect a low voltage condition for said lithium battery, wherein said processor does not provide the starter current to the discharged battery via the pair of cables when said low voltage circuit detects a low voltage condition. 
     
     
         9 . The portable battery booster of  claim 1 , further comprising a shorted load circuit to detect a shorted load condition across said pair of cables, wherein said processor does not provide the starter current to the discharged battery via the pair of cables when said shorted load circuit detects a shorted load condition. 
     
     
         10 . A portable battery booster for boosting a discharged battery of a motor vehicle, the portable battery booster comprising:
 a compact housing defining a chamber having a recharge port positioned thereon;   a lithium battery positioned within said chamber;   a supercapacitor positioned within said chamber;   a DC/DC converter to receive a DC current from a power source and to provide a first charging current to said lithium battery; and   a processor positioned within said chamber to selectively provide a starter current from said lithium battery or said supercapacitor to the discharged battery via a pair of cables.   
     
     
         11 . The portable battery booster of  claim 11 , wherein said lithium battery is configured to provide a second charging current to said supercapacitor. 
     
     
         12 . The portable battery booster of  claim 11 , wherein said processor is configured to provide the starter current from said supercapacitor to the discharged battery via the pair of cables. 
     
     
         13 . The portable battery booster of  claim 10 , wherein each of said pair of cables comprises a proximal end and a distal end having a clamp to detachably couple to a terminal of said discharged battery. 
     
     
         14 . The portable battery booster of  claim 13 , wherein said clamp comprises a plastic injection molded structure and metal clamping teeth. 
     
     
         15 . The portable battery booster of  claim 14 , wherein said clamp detachably connects to said compact housing when not in use. 
     
     
         16 . The portable battery booster of  claim 10 , wherein said lithium battery is a lithium iron phosphate battery or a lithium-polymer battery. 
     
     
         17 . The portable battery booster of  claim 10 , wherein said processor is configured to selectively provide the first charging current to said lithium battery. 
     
     
         18 . The portable battery booster of  claim 11 , wherein said processor is configured to selectively provide the second charging current to said supercapacitor. 
     
     
         19 . The portable battery booster of  claim 10 , wherein said compact housing is a generally rectangular shape having a length, a depth, and a width, wherein each of said length, said depth, and said width are less than or equal to 6 inches. 
     
     
         20 . The portable battery booster of  claim 10 , further comprising a low voltage circuit to detect a low voltage condition for said lithium battery, wherein said processor does not provide the starter current to the discharged battery via the pair of cables when said low voltage circuit detects a low voltage condition. 
     
     
         21 . The portable battery booster of  claim 10 , further comprising a shorted load circuit to detect a shorted load condition across said pair of cables, wherein said processor does not provide the starter current to the discharged battery via the pair of cables when said shorted load circuit detects a shorted load condition. 
     
     
         22 . A portable battery booster for boosting a discharged battery of a motor vehicle, the portable battery booster comprising:
 a compact housing defining a chamber having a recharge port positioned thereon;   a battery positioned within said chamber;   a DC/DC converter to receive a DC current from a power source and to provide a first charging current to said battery;   a supercapacitor positioned within said chamber and coupled to said battery, wherein said battery is configured to provide a second charging current to said supercapacitor;   a processor positioned within said chamber to selectively provide a starter current from said supercapacitor to the discharged battery via a pair of cables; and   a shorted load circuit to detect a shorted load condition across said pair of cables, wherein said processor prohibits supply of the starter current to the discharged battery via the pair of cables when said shorted load circuit detects a shorted load condition.