Abstract: A method can include powering circuitry via a lithium ion battery; during the powering, determining a discharge rate of the lithium ion battery; and, based at least in part on the determined discharge rate, adjusting a cut-off voltage for the lithium ion battery.

Abstract: One embodiment provides a device, including: a display device disposed in a device housing; a main battery disposed in the device housing; a supplemental battery disposed proximate to the display device; and a processor operatively coupled to the display device. Other aspects are described and claimed.

Abstract: One embodiment provides an electronic device, including: two or more ports; two or more charging circuits, wherein the two or more ports have an associated charging circuit; a battery; a processor; and a memory device that stores instructions executable by the processor to: detect, at a first port, a physically connected plug; detect, at a second port, a physically connected plug; and provide, via the two or more charging circuits, charging to the battery from both of the detected plugs. Other aspects are described and claimed.

Abstract: In one aspect, a first device includes at least one wireless charge receiver that comprises a coil and a circuit electrically coupled to the coil. The first device also includes at least one barrier respectively positioned in the first device to transitionably shield, from a magnetic field of a wireless charge transmitter, at least one component of a second device in which the first device is disposable.

Abstract: An apparatus can include a processor; an electronic component accessible by the processor; a first housing attached to a first axle that includes a first gear where the first housing includes the processor; a second housing attached to a second axle that includes a second gear where the second housing includes the electronic component accessible by the processor; and a hinge assembly that includes an intermediate axle that includes a first intermediate gear that meshes with the first gear, a second intermediate gear that meshes with the second gear, a first bridge component that securely positions the first axle parallel to the intermediate axle and a second bridge component that securely positions the second axle parallel to the intermediate axle.

Abstract: In one aspect, a device includes a processor, at least one system component accessible to the processor, a battery accessible to the processor and that provides power to the processor and the at least one system component, a display accessible to the processor and powered by the battery, and storage accessible to the processor. The storage bears instructions executable by the processor to permit charging of the battery at a first rate during a first charging instance and to permit charging of the battery at a second rate during a second charging instance, where the second rate is slower than the first rate and the second charging instance is subsequent to the first charging instance. The instructions are also executable to provide an indication regarding the availability of again charging the battery at the first rate subsequent to the first charging instance.

Abstract: In one aspect, a device includes a processor, at least one system component accessible to the processor, a battery accessible to the processor and that provides power to the processor and to the at least one system component, and storage accessible to the processor. The storage bears instructions executable by the processor to initiate a charge of the battery at a first rate, receive impedance data pertaining to the battery, determine whether to increase the rate of charge of the battery based on the impedance data, and charge the battery at a second rate faster than the first rate in response to a determination to increase the rate of charge of the battery.

Abstract: A battery pack assembly includes a first battery cell supplying electric current to an electronic load, a second battery cell supplying electric current to the electronic load, and a first switch operatively coupled with the first battery cell and the electronic load. The first switch stops conduction of the electric current to the electronic load responsive to an increase in electric demand of the electronic load above a designated threshold. A method of powering an electronic load using a battery pack assembly also is provided.

Abstract: One embodiment provides a device, including: a device housing; a display device disposed in the device housing; a main battery disposed in the device housing; a supplemental battery operatively coupled to the main battery in a parasitic arrangement, wherein the main battery draws power from the supplemental battery; and a processor operatively coupled to the display device. Other aspects are described and claimed.

Abstract: In one aspect, an input device includes a housing, an element on at least a portion of the housing for providing input to a touch-enabled display, a battery compartment in the housing in which a battery may be positioned, and a vent through the housing which permits gas from the battery to pass to exterior to the housing.

Abstract: A system can include a processor; memory operatively coupled to the processor; lithium-ion battery cells to power at least the processor and the memory; and a thermal conduction matrix that includes crystalline carbon formations that distribute heat energy generated by the lithium-ion battery cells. Various other apparatuses, systems, methods, etc., are also disclosed.

Abstract: An apparatus can include a processor; memory accessible by the processor; a first housing that includes a first link end; a second housing that includes a second link end; and a hinge assembly that includes a first link coupled to the first link end via a first axle, a second link coupled to the second link end via a second axle and an intermediate axle that operatively couples the first link and the second link where stop surfaces of the first and second links define a minimum radius of curvature of the hinge assembly.

Abstract: A system can include a processor; memory operatively coupled to the processor; a first display unit that includes a first planar display operatively coupled to the processor; a second display unit that includes a second planar display; and a mechanism that selectively transitions the first planar display and the second planar display between a stacked orientation and a side-by-side orientation that forms a planar extended display operatively coupled to the processor. Various other apparatuses, systems, methods, etc., are also disclosed.

Abstract: An apparatus can include a processor; memory accessible by the processor; a display operatively coupled to the processor; a hinge assembly that includes an axle and leaves where at least one of the leaves includes a leaf magnet that includes north poles and south poles; and a first housing and a second housing that include leaf receptacles that, in a coupled state, receive the leaves of the hinge assembly to pivotably couple the first housing and the second housing.

Abstract: One embodiment provides an apparatus, including: a processor; a memory operatively coupled to the processor; and a battery pack supplying power to the processor and the memory; said battery pack comprising: a plurality of cells, wherein a current flow through the plurality of cells is arranged as a function of temperature of at least a portion of the battery pack. Other aspects are described and claimed.

Abstract: An apparatus can include a processor; memory accessible by the processor; a first housing that includes a front side and a back side; a second housing that includes a front side and a back side; and a hinge assembly operatively coupled to the second housing where the hinge assembly includes a set of axles, a set of gears and a latch pivotable via meshed rotation of the gears about an axis defined by one of the axles where, in a latched state, the latch operatively couples the first housing to the hinge assembly.

Abstract: In one aspect, a device includes a processor, at least one system component accessible to the processor. a battery which powers the processor and the at least one system component, an impedance sensor that is accessible to the processor and that senses impedance of the battery, and storage accessible to the processor. The storage bears instructions executable by the processor to receive input from the impedance sensor regarding an impedance of the battery and, based at least in pan on the input, determine whether to perform at least one action to at least attempt to bring impedance of the battery below an impedance threshold.

Abstract: Battery malfunction is limited by accelerating battery discharge once battery voltage reaches a low voltage threshold. This can be done programmatically and/or using a hardware arrangement that shorts the battery to ground when the low voltage threshold is reached.

Abstract: In one aspect, a first device includes at least one wireless charge receiver that comprises a coil and a circuit electrically coupled to the coil. The first device also includes at least one barrier respectively positioned in the first device to transitionably shield, from a magnetic field of a wireless charge transmitter, at least one component of a second device in which the first device is disposable.

Abstract: In one aspect, a wireless charge receiver includes a first coil, a second coil, and a circuit operatively coupleable to the first coil and the second coil. The circuit couples and decouples from being able to receive power from the first coil and the second coil based on at least one parameter.