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Can a battery to be charge and discharge at the same time? Answered

 

Can a battery to be charge and discharge at the same time?

i am working on a car use  a 12V battery.I put a dynamo giving 12V on the wheel and i connect the dynamo to a diode then to the battery so the battery can be charged.how can i know if the battery is charging? do i need a voltage regulator? if the battery charged and discharged at the same time will this damage it?   

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lemonieBest Answer (author)2011-01-08


No.
But you can apply charge and load at the same time, the battery will either be charging or discharging while you do it.
For a 12V lead acid battery you'll need ~14V to charge, but for a "dynamo" a regulator wouldn't normally be necessary.
An ammeter will tell you if the thing is charging (with no load)

L

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ARJOON (author)lemonie2011-01-08

+1 but when do we have to use a regulator except for an excessif applied voltage

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MAHESHC1 (author)2014-09-27

does it works b/c am doing the same project

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framistan (author)2011-01-08

If your charger can put out 5 amps... but you are using a load that drains 6 amps... then ONE amp is coming from the battery... it will SLOWLY drain. If you are using a load that drains 5 amps, then it will not charge nor discharge.

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