About 29 results
https://drivepatents.com/patents/1374684 · 2 Jun 2026
A device that comprises active battery cell material, an internal circuit coupled to the active battery cell material, a circuit board; two alternating current (AC) power points; two isolated direct current (DC) power points, and a controller that can oper...
https://drivepatents.com/patents/1374685 · 2 Jun 2026
A charging system for a mobile device including a charging connector, a first charging component, a second charging component, a flexible printed circuit board, a first battery, and a second battery is provided. The first charging component includes a firs...
https://drivepatents.com/patents/1114884 · 28 May 2026
The present disclosure relates to a battery pack and a battery charging method using the same and is directed to providing a mechanism capable of effectively charging a battery quickly. To this end, the present disclosure provides a plurality of charging s...
https://drivepatents.com/patents/1381199 · 16 Apr 2026
An electricity storage system includes a plurality of strings, a solar power generation device, and an array system that executes control of matching voltage, phase, and frequency of a slave string with those of a master string. The array system acquires i...
https://drivepatents.com/patents/1380577 · 2 Apr 2026
An input end of the first voltage conversion circuit and an input end of the second voltage conversion circuit are coupled to a power supply end; an output end of the first voltage conversion circuit is configured to be coupled to a positive electrode of a...
https://drivepatents.com/patents/1379834 · 19 Mar 2026
An energy management system and method of operating the energy management, which include estimating an energy demand for flight plans for a fleet of aircraft. The flight plans are received from a flight plan database. The system is configured to determine ...
https://drivepatents.com/patents/1379833 · 19 Mar 2026
A charging/discharging circuit and an electronic device are provided. The circuit includes: a first terminal of a first branch is connected to an electrical energy supply terminal, and a second terminal of the first branch is connected to the first battery...
https://drivepatents.com/patents/1379835 · 19 Mar 2026
Disclosed herein are systems and methods for charging batteries of audio playback devices. An example method performed by a media playback system includes receiving power from a first power source to charge a first power storage of a first playback device ...
https://drivepatents.com/patents/1399803 · 12 Nov 2025
A backup power supply device (1) to be connected to a conduction path (P) from an external power supply (3) to an external load (4) including a plurality of secondary batteries (B1-B7) connected in parallel, a plurality of charging switches (SW1-SW7) that ...
https://drivepatents.com/patents/966032 · 24 Dec 2014
Embodiments of the present invention provide a method and an apparatus for battery management and a battery-powered device, which relate to the field of communications technologies and can effectively control an adverse impact resulting from a bias current...