Charge/Discharge simultaneously

Discussion in 'General Electronics Chat' started by aamirali, Apr 4, 2014.

  1. aamirali

    Thread Starter Member

    Feb 2, 2012
    415
    1
    I came to know the battery can be charged & discharged simultaneously like in
    telephone exchanges.

    But how is this possible. Current can either go inside or out of battery at a time.
     
  2. crutschow

    Expert

    Mar 14, 2008
    13,014
    3,234
    Your second statement is quite true. So you have a contradiction between your two statements, which means your statement about a battery being charged and discharged at the same time cannot be true.

    A battery has three current flow states of either charging, discharging, or having no current flow (idle). It can only do one at a time. It just depends upon whether the charging current is more than, less than, or equal to the load current.
     
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