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