A good maintainier charger

[Shogen 325]

Also, Save A Battery seems to be recommended alot ... Haven't used anything besides my Ctek... 7002 I believe, works but I don't know if it will handle a bigger load (getting more batteries in the future?)

[KenC210 3]

So will a battery tender plus be good for my application?

I have this charger http://www.batterychargers.com/ProductDetail.aspx?ProductName=94026877AL

Just looking to have a charger that i could mount in my vehicle and plug in when i am not driving.