Techtronic Cordless Gp

Tti (Macao Commercial Offshore) Limited

Ryan J Marino

Brent Michael Willey

Tyler J Rowe

Frederick W Bryan

Nataraj Chandrasekharan

Matthew T Aaron

Denis Gaston Fauteux

Hossein Maleki

James A Patton

Jason Lishengping

Raymond Lee

Joe Zhao

Jg Zhao

Benjamin Thomas

Battery pack

Terminal block of a battery pack

Interface of a battery pack

Interface of a power tool

Battery pack with communication terminal

An arrangement for battery pack protection during fluid ingress. The battery pack may include a housing, a terminal block, and a core battery assembly supported in the housing, the assembly including a core housing, a plurality of battery cells supported in the core housing, a first weld strap connecting the battery cells to a positive power terminal, a second weld strap connecting the battery cells to a negative power terminal, a first sacrificial electrode connected to the first weld strap, and a second sacrificial electrode connected to the second weld strap. A spacing between the first sacrificial electrode and the second sacrificial electrode may be selected such that an ingress fluid entering the battery pack electrically shorts the first sacrificial electrode and the second sacrificial electrode to drop a voltage of the cell battery assembly and discharge battery energy before damaging the battery cells.

Arrangement for battery pack protection during fluid ingress

Growing community of inventors

Greenville, SC, United States of America

Ryan J Marino