ronjhall
Super Star Member
Sorry if this has been mentioned before; I'm way behind again and trying to catch up.
I've been using the Battery Saver model 2365 for some time now, with good results. JBTools.com has had them at the best price I can find. I leave them attached continuously, and they keep the battery charged without over charging them. They also have a "de-sulfation" mode that they say can resurrect a sulfated battery, but i've had mixed results with that. One of them got wet and quit working, and the manufacturer replaced it without question.
I have used the Battery Saver Maintainers for years. My JD F735 battery is 19 years old. Now a days I only have 4 chargers in use. JD, Kubota, Mule and whole house generator. Had same charger on my 48 volt golf cart. Batteries lasted a long time.
JBtools list them as out of stock.

Battery Saver - Extends Vehicle Battery Life
Battery Saver - Extending Battery Life
www.batterysaver.com
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