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Subject: Re: help needed with 12 vdc to 13.8 vdc 100 watt charger

Date: 09/06/00 at 1:39 PM
Posted by: alan
E-mail: mr.phillips@btinternet.com
Message Posted:

In Reply to: Re: help needed with 12 vdc to 13.8 vdc 100 watt charger posted by Dean Huster on 08/30/00 at 4:05 PM:

thanx for your input with my charger circuit but ....i already have a relay installed in the vehicle that charges my leisure battery whilst towing or when the car engine is running..my idea was to still allow the car battery to charge up the leisure battery regardless of the engine on the car running.. to do this i must first increase the battery voltage at the car so it looks greater than the leisure battery.. then it will charge up over night.. i was going to use a switch mode supply and convrt the dc to ac then step up this ac voltage and rectify it reconverting this to dc and then charge the leisure battery... a fail safe fitted to ensure that the car can still start after charging compleates


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