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The Battery Tender® Junior offers much more than a trickle charger could offer. It has a brain. It’s lightweight, compact, and fully automatic; very easy to use, especially in small spaces. It will keep your battery fully charged so that it is ready to go when you are!
Perfect for all lead-acid, flooded or sealed maintenance free batteries (AGM and gel cell).
Complete 4-step charging program (Initialization, Bulk Charge, Absorption Mode, Float Mode).
Automatically switches to float / maintenance voltage after fully charging the battery.