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Battery charger for lead acid batteries.
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abba



Joined: 10 Jan 2002
Posts: 45
Post14 Jun 2005 15:48   

Battery charger for lead acid batteries.
What is the best battery charger (schematic) for lead acid batteries?
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flatulent



Joined: 19 Jul 2002
Posts: 4877
Helped: 324
Location: Middle Earth
Post14 Jun 2005 17:59   

Re: Battery charger for lead acid batteries.
The simplest is a 13.8 V regulator with current limiting. This will not overcharge the battery. Leave it connectd for a few days or until the current drops below 1% of the AH rating of the battery.
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IanP



Joined: 05 Oct 2004
Posts: 6492
Helped: 1542
Location: West Coast
Post15 Jun 2005 2:26   

Re: Battery charger for lead acid batteries.
Here is a simple schematic + description of 3A lead-acid battery charger:
http://www.aaroncake.net/circuits/charger1.htm
Regards,
IanP
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bipinravalia



Joined: 19 Mar 2007
Posts: 4
Post29 Feb 2008 15:53   

Battery charger for lead acid batteries.
I have made this ckt, it dont works.....
It can't output more than 150ma current though the battery is fully discharged.
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