I have a battery charger/tender that does the trickle charge then float to keep the battery at optimum charge. The battery tender also has a desulfate feature that sends pulses to the battery as part of the process. My question is:
- Is it okay to leave the battery connected to the vehicle while the tender does its desulfate pulses? I'd like to not disconnect the battery in order to preserve the data/memory that is already there but I'm not sure if the pulses from the tender would have any effect on any of the electrical system.
Posts: 5074 | Location: Arkansas | Registered: September 04, 2008
If it is a NOCO Genius "smart" charger, like I have, then yes, it's safe to leave it hooked up long term. I leave mine on by boat for months at a time. The owner's manual for the charger states it is perfectly safe due to the "smart" feature.
Perhaps go to the manufacturer's website and see what they say.
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Posts: 660 | Location: TX | Registered: March 30, 2013
The onboard chargers in my boat have the same features. They maintain a Group 29 starting battery and 2 group 29 trolling batteries. If I'm not on the water, they are plugged in, including for the entirety of winter. No problems whatsoever in 3 years. Just check the water levels every now and then if it's not a maintenance-free battery.
the battery tender does not desulfate which is the core of the question. Me I'd look at the mfg. literature to decide. You don't say brand but I've bad luck with a few of them.
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