> I've read that you have to have a special charger to charge this type of
> battery but I cannot find that information anymore.
>
> Can I put a Batter Tender trickle charger on a yellow top?
Of course you _can_, the real question is what happens when you do <g>
After comparing specs for the Optima Yellowtop
<http://www.optimabatteries.com/en-us/support/battery-care/charging/>
And the Deltran "Battery Tender Plus"
<http://www.pirate4x4.com/tech/billavista/PDFs/Deltran%20battery%20charger%2
0spec%20sheets.pdf>
I'd say that the BT+ is not totally optimal, as it doesn't take the
absorption phase voltage quite as high as suggested by Optima (14.4 volts vs
14.7 volts plus a 1hr 2 amp finishing charge); but should work well enough.
In practice, I doubt you'll notice the difference. Battery life might be
just a tiny bit shorter, but there are so many other factors that affect
battery life that it will be impossible to know if using the BT+ had
anything to do with it.
Randall
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