We live six months in KY and six month in FL and have a lot of equipment with batteries to store in both places. I have been using battery maintainers for years. My experience with the Schumacher brand (about $30 in Walmart for example) has not been good. I've had several failed maintainers and several failed batteries in the past ten years. Now I use the Battery Tender Jr.s and haven't had one failure.
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