Crown Equipment Corporation

Bin Feng Sha

Mingzhi Ma

Battery management systems, removable battery assemblies with integrated battery management systems, and vehicles are provided for implementing the various runtime calculations disclosed herein. A vehicle, which may be a materials handling vehicle, is provided comprising a drive subsystem, a removable battery assembly, and vehicle control hardware. The battery assembly comprises a battery management system programmed to input or generate a state of charge signal representing a state of charge SOC of the battery assembly, implement a first EWMA signal filter Fto calculate a succession of contemporary current calculations I, implement a second EWMA signal filter Fto calculate a runtime current I, wherein the runtime current calculation Icomprises the contemporary current calculations Ifrom the first EWMA signal filter F, and implement a remaining runtime calculation such that the vehicle control hardware responds functionally to the runtime calculation.

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Jiang Su, China

Bin Feng Sha