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It's a bit complicated. Internally some chargers connect their negative charging outputs to the 3rd ground pin on the AC input. If both chargers are plugged in their 3rd ground pins on the AC plug are effectively connected together. This makes both battery chargers negative outputs connected...

Yes you can.

If you want to "trickle charge" 24/7/365 be sure to use a smart charger that stops charging once a battery is fully charged and only resumes charging if the battery voltage falls. The best way is to use two 12 volt smart chargers, one one each battery. Second best is to use a 24 volt smart...

OK, you can only charge one of the batteries at a time with that charger. You'd hook the chargers positive to one batteries positive and the chargers negative to the same batterys negative. Doing so will only charge that one battery. Once charged the charger can then be hooked to the second...

Are you using a 12 volt battery charger or a 24 volt battery charger?

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