Battery charger with automatic voltage detection
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United States of America Patent
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Dec 27, 2016
Issued Date -
N/A
app pub date -
Nov 12, 2014
filing date -
Jul 16, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
A battery charger is disclosed that is configured to be connected to an external battery by way of external battery cables. In accordance with an important aspect of the invention, the battery charger is configured with automatic voltage detection which automatically determines the nominal voltage of the battery connected to its battery charger terminals and charges the battery as a function of the detected nominal voltage irrespective of the nominal voltage selected by a user. Various safeguards are built into the battery charger to avoid overcharging a battery. For battery chargers with user-selectable nominal battery voltage charging modes, battery charger is configured to over-ride a user-selected battery voltage mode if it detects that the battery connected to the battery charger terminals is different than the user-selected charging mode.
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