I'd be interested in hearing from anyone who has done the disconnect approach. I use it on my car when I leave it for extended periods of time and it works fine. Most golf cart maintenance websites I've seen don't recommend it....but some of them also don't recommend leaving the charger connected and plugged in either. The Trojan website says that their batteries lose about 4% of their charge per week at 80 degrees F. That means that leaving them in a garage at up to 90 F for 5 months would probably sap most of the charge. I'd hate to have to bring them into the house when leaving for the summer.
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