Abstract: A rechargeable battery jump starting device and a battery frame for use in an electronic device such as a portable rechargeable battery jump starting device. The rechargeable battery jump starting device maximizes the power conducted from the rechargeable battery to a battery being jump started.

Abstract: A rechargeable battery jump starting device having detachable positive and negative cables. The rechargeable battery jump starting device, including a rechargeable battery connected to a positive cam-lock cable connecting device and a negative cam-lock cable connecting device. The rechargeable battery jump starting device can include a highly electrically conductive frame connecting the rechargeable battery to the cam-lock cable devices.

Abstract: Provided is a method of charging a deeply discharged battery using a battery charging device, the method including measuring the output voltage of the deeply discharged battery using the battery charging device, and if the output voltage is at or near zero (0) volts, charging the deeply discharged battery using the battery charging device in a forced mode.

Abstract: Provided is a jump starting device for charging a depleted discharge battery, the device includes a rechargeable battery having a positive terminal and negative terminal; a switch comprising a jump start current sharing circuit electrically connected to the rechargeable battery; and a battery clamp electrically connected to the jump start current sharing circuit.

Abstract: Provided is a method of charging a deeply discharged battery using a battery charging device, the method including measuring the output voltage of the deeply discharged battery using the battery charging device, and if the output voltage is at or near zero (0) volts, charging the deeply discharged battery using the battery charging device in a forced mode.

Abstract: An enhanced conductivity battery device for use in a battery jump starting device. The enhanced conductivity device providing enhanced conductivity from the enhanced conductivity device to a battery being jump started.

Abstract: A hand held, portable jump starter device includes a housing having a multi-cell rechargeable battery including at least three battery cells connected in series, a USB input port for receiving a charging current from an external source to recharge the multi-cell rechargeable battery, and an output port for providing jump starting current to an external vehicle; a USB charge circuit connected to the USB input port, the USB charge circuit including a DC-to-DC converter circuit for upconverting an input voltage on the USB input port to a higher charging voltage for recharging the multi-cell rechargeable battery; a pair of series connected transistor devices coupled between the USB charge circuit and the multi-cell rechargeable battery for controlling current flow into and out of the multi-cell rechargeable battery; a control circuit for detecting the voltage of the multi-cell rechargeable battery and configured to turn off the USB charge circuit to prevent over charging of the multi-cell rechargeable battery if

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: A hand held, portable jump starter device includes a multi-cell rechargeable battery with at least three battery cells connected in series, and a battery cell equalization circuit connected to the multi-cell rechargeable battery in parallel with the battery charge controller, wherein the battery cell equalization circuit includes an individual battery cell equalization circuit for each of the at least three battery cells, and wherein each of the individual battery cell equalization circuits is 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 wherein 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

Abstract: A rechargeable battery jump starting device and a rechargeable battery assembly for use in the portable rechargeable battery jump starting device. The portable rechargeable battery jump starting device maximizes the power conducted from the rechargeable battery assembly to a battery being jump started.

Abstract: A battery clamp having a first inner metal battery clamp member having a handle portion and a clamp portion, a second inner metal battery clamp member having a handle portion and a clamp portion, a first outer insulating battery clamp member having a handle portion and a clamp portion connected to the first inner metal battery clamp, and a second outer insulating battery clamp member having a handle portion and a clamp portion connected to the second inner metal battery clamp. The first inner metal battery clamp member and/or the second inner metal battery clamp member having an inclined connection plate for connection with a battery cable, the inclined connect plate configured to allow a user to access the inclined access plate with a tool while avoiding interference with the handle portions of the battery clamp.

Abstract: A rechargeable battery jump starting device is provided that includes a first 12V battery, a second 12V battery, a supplemental power supply, a first switching circuit electrically coupled to the first and second 12V batteries and configured to select the first 12V battery and/or the second 12V battery to provide either a 12V operating voltage or a 24V operating voltage, and a second switching circuit for switching in the supplemental power supply with the first 12V battery and/or the second 12V battery for increasing the 12V operating voltage or the 24V operating voltage for jump starting a depleted or discharged vehicle battery.

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 rechargeable battery jump starting device with a dual battery diode bridge system. The dual battery diode bridge, for example, is configured to protect against a back-charge to a first battery and/or a second battery after a vehicle has been jump charged to prevent damage thereto.

Abstract: A portable or handheld device or apparatus for jump starting a vehicle engine having a depleted or discharged starting battery. The portable or handheld device or apparatus for jump starting a vehicle engine includes a rechargeable lithium-ion (Li-ion) battery pack and a battery cell equalization circuit configured to prevent overcharging of one or more individual lithium-ion battery cells, which can cause fire, damage to the battery pack and device or apparatus for jump starting a vehicle, or personal injury to a user.

Abstract: Provided is a lithium ion rechargeable battery charging system with lithium cell balancing, including a lithium ion rechargeable battery and a battery charging device configured for charging the lithium ion rechargeable battery and wherein cell balancing of the lithium ion rechargeable battery cells of the lithium ion rechargeable battery continues for a predetermine period of time once a cell balancing mode begins.

Abstract: A vehicle battery jump starter with air pump device includes a vehicle battery jump starter and an air pump disposed within a cover. An internal battery is also disposed within the cover and connected to the vehicle battery jump starter and the air pump. A port is provided so as to provide connection to the device from an external vehicle battery. The air pump is configured such that it is powered by the external battery in a first mode of operation.