SYSTEM AND METHOD OF MANAGING A LITHIUM ION BATTERY PACK IN A WALK MOWER
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United States of America Patent
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Issued Date -
Aug 15, 2013
app pub date -
Feb 9, 2012
filing date -
Feb 9, 2012
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A walk mower comprises a traction frame having a reel cutting unit and a traction drum which are both driven from an electric motor carried on the traction frame. The electric motor is powered by a lithium ion battery pack carried on the traction frame. A charger is provided for recharging the battery pack. Once a fully charged level of the battery pack is reached, a battery management system initiates a sleep period countdown. At the conclusion of the countdown, the charger discharges the battery pack if the mower has not been used during the countdown period to a reduced state of charge level. The state of charge is maintained at this reduced level during a plurality of successive sleep periods in a storage state of charge range.
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Family
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