Train charging batteries

[jabberwoki]

So i have 3 batteries that i rotate on the trickle charger , i was wondering if you could link them all together and charge them all together?

[TexasT]

I wouldn't do it in series, but I would think in parralell it would float em.

[Highland512]

I wouldn't do it in series, but I would think in parralell it would float em.

Yep

[OldCarGuy]

My scissors lift has six batteries hooked in series and runs on 36 Volts. When not in use, I use a Granite 36 Volt "Battery Saver" that's a changer/maintainer and does the job. These batteries are over 15 years old and still ticking. Always keep the batteries topped off always with distilled water.. 

I would suggest that you simply pick up two more maintainers. I have over 50 batteries in my cars, Motorhomes, trailers, and tractors. All have dedicated maintainers. I seldom replace a battery less than 10 years old. And not uncommon to last 20 years..