on board charger

[yodaddy]

Originally Posted by Destroyer

Basically, yes, it will work. However, it will take longer to charge the batteries.

It will work, but the battery with the higher initial charge will get overcharged once it's fully charged (until the battery with the lower initial charge is topped off). I asked the OP for the make and model of the charger to know how many amps it's putting out.