unico1 Posted July 12, 2015 Report Share Posted July 12, 2015 Am I OK charging my flapper battery 12volt 1.2ah using an optimate 4 or will I cook it? Thanks Quote Link to comment Share on other sites More sharing options...
steve_b_wales Posted July 12, 2015 Report Share Posted July 12, 2015 I've never used an Optimate 4, but if it's a trickle charger, then your battery will be okay. Quote Link to comment Share on other sites More sharing options...
vinny123 Posted July 12, 2015 Report Share Posted July 12, 2015 yes i do all mine on an optimate Quote Link to comment Share on other sites More sharing options...
unico1 Posted July 12, 2015 Author Report Share Posted July 12, 2015 Thanks. Quote Link to comment Share on other sites More sharing options...
fenboy Posted July 12, 2015 Report Share Posted July 12, 2015 You should not charge at more than 25% of the battery capacity , so in the case of 1.2 amp / hr that means your charger should be putting out no more than 300 MA. Quote Link to comment Share on other sites More sharing options...
unico1 Posted July 12, 2015 Author Report Share Posted July 12, 2015 The output on my optimate says 12 volt, 0,8A? Is that OK? Quote Link to comment Share on other sites More sharing options...
wymberley Posted July 12, 2015 Report Share Posted July 12, 2015 The output on my optimate says 12 volt, 0,8A? Is that OK? That will do nicely for something about 7ah and up. Fenboy has your answer. Quote Link to comment Share on other sites More sharing options...
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