Also check out the Deltran battery tender onsale @ the link below for 23.30
Link: <a href="http://www.amazon.com/gp/product/B000CITK8S/ref=as_li_qf_sp_asin_tl?ie=UTF8&camp=1789&creative =9325&creativeASIN=B000CITK8S&linkCode=as2&tag=aff iliatechie-20">Battery Tender 021-0123 Battery Tender Junior 12V Battery Charger</a><img src="http://www.assoc-amazon.com/e/ir?t=affiliatechie-20&l=as2&o=1&a=B000CITK8S" width="1" height="1" border="0" alt="" style="border:none !important; margin:0px !important;" />
- Spark proof during lead connection, reverse polarity protected and includes a 12-foot output cord and 5-year warranty
- Perfect for charging all 12-volt lead-acid, flooded or sealed maintenance free batteries (AGM and gel cell)
- Complete 4-step charging program (Initialization, Bulk Charge, Float Mode) allows for optimization of battery power, without overcharging
- Automatic charge cycle functionality switches to float mode after fully charging the battery
- Solid state two color LED indicates stage of charger