i need the plan for charging a lead acid battery 12v 5.6ah
lead acid charger
Feb 20, 2005
4 Replies
I read in sci.electronics.design that armand wrote (in ) about 'lead acid charger', on Sun, 20 Feb 2005:
By far the best plan is to buy a charger designed for your battery.
Regards, John Woodgate, OOO - Own Opinions Only.
The good news is that nothing is compulsory.
The bad news is that everything is prohibited.
http://www.jmwa.demon.co.uk Also see http://www.isce.org.uk
snipped-for-privacy@softhome.net (armand) wrote in news:8de464ee.0502200540.1ecf1d7 @posting.google.com:
MAXIM has lots of battery charger ICs and app notes.
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dan
Assuming (at that capacity) that it is a sealed lead acid, I personally favour the Unitrode/TI UC3906 controller chip. Download the app note for this chip and you will learn quite a lot about the care and feeding of SLA's. There are also kits for chargers using this controller.
Might be cheaper just to buy a jump-start battery. Sears has 'em on sale for about $40 in the automotive section. About 10 Amp-hours IIRC. You get a built-in battery charger that stops charging when the battery's fully charged, a DC-out plug, and, as an added bonus, two monster clips just in case your car battery needs a jump.
Good luck!
Mike Darrett
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