The Battery Tender Junior is much more than a trickle charger. 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. • If the battery voltage drops too far under load, full charger output power resumes. • Solid state two color LED indicates stage of charger. • Spark proof. • Reverse polarity protected. • 12' output cord. • 5 year warranty