Patent ID: 8937457
Filing Date: 2015-01-20
Classification: H02J,Y02T

Abstract:
1. A system comprising: a rechargeable battery pack including a plurality of cells, wherein the plurality of cells of the rechargeable battery pack are connected in series; and a plurality of cell balancing modules, wherein each cell balancing module of the plurality of cell balancing modules is configured to perform voltage balancing of a respective pair of cells, wherein each cell balancing module includes a communication module configured to wherein in response to a voltage difference between any of the plurality of cells in the rechargeable battery pack being greater than or equal to a predetermined threshold, each cell balancing module is configured to perform the voltage balancing (i) based on the information received from the adjacent ones of the plurality of cell balancing modules about the voltages of the cells corresponding to the adjacent ones of the plurality of cell balancing modules, instead of (ii) based on a difference between voltages of the respective pair of cells.