Charger concerns

[rshaul]

I have a 07 precedent. I put new Trojan batteries in last week. Runs good now. However, I never here my charger running between drives. When I plug it in the charger runs but once it shuts off I do not think it ever comes back on. It seems like batteries are little weaker if it's a few days between uses. So is there a way to determine if the charger is trickle charging properly? Its was doing this before the new batteries but I assumed it was the batteries since they were original from 07.