Abstract:
A handheld device for jump starting a vehicle engine includes a rechargeable lithium ion battery pack and a microcontroller. The lithium ion battery is coupled to a power output port of the device through a FET smart switch actuated by the microcontroller. A vehicle battery isolation sensor connected in circuit with positive and negative polarity outputs detects the presence of a vehicle battery connected between the positive and negative polarity outputs. A reverse polarity sensor connected in circuit with the positive and negative polarity outputs detects the polarity of a vehicle battery connected between the positive and negative polarity outputs, such that the microcontroller will enable power to be delivered from the lithium ion power pack to the output port only when a good battery is connected to the output port and only when the battery is connected with proper polarity of positive and negative terminals.
Abstract:
An apparatus for jump starting a vehicle includes a handheld booster device comprising a rechargeable battery pack, a control circuit, a power switch, and an output port, wherein the control circuit detects when it is safe to couple the handheld booster device to the vehicle's battery and connects the rechargeable battery pack to the output port thru the power switch; and a jumper cable device comprising a plug and a pair of cables integrated with the plug, the plug being configured to connect to the output port of the handheld booster device in a specific orientation.
Abstract:
A hand held, portable jump starter device includes a rechargeable battery with a plurality of battery cells connected in series, and a battery cell equalization circuit connected to the rechargeable battery. The battery cell equalization circuit includes an individual battery cell equalization circuit for each of the plurality of battery cells, with each of the individual battery cell equalization circuits configured to discharge a particular battery cell upon the particular battery cell reaching a cell voltage exceeding a pre-determined upper voltage threshold until the particular battery cell reaches a pre-determined lower voltage level below the upper voltage threshold, and where the individual battery cell equalization circuits are configured to charge lower voltage individual battery cells at a higher rate allowing lower voltage individual battery cells to catch up in voltage to an individual battery cell having a highest voltage.
Abstract:
The present disclosure relates to a battery handle that is removably attachable to a battery. The handle may comprise a body comprising first end, a second end opposite the first end, and a grip portion extending between the first end and the second end in a first direction, wherein the body is removably attachable to the battery via at least one battery terminal, and the at least one battery terminal is configured to be in electrical connection with the battery.