Battery Tender 021-0134 10-Bank 12V Battery Management System<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Simultaneously charges and/or maintains up to 10 12-volt batteries， providing 12 volts/2 amps per charging bank</li><li>Includes six foot lead with aligator clamps and a 3-year warranty</li><li>Complete 4-step charging program (initialization， bulk charge， absorption mode and float mode) that maintains batteries at full charge without overcharging via its 4-step charging system</li><li>Spark-free design via microchip circuitry that will not activate output voltage until clips are correctly connected to battery</li><li>Reverse polarity protection and a built-in 72-hour safety timer ensures batteries attain float mode status</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41cvEcYKuLL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41CK07GencL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/413j0JaR4mL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41k45kB1GTL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41qDba%2BSXAL.jpg" noproxy>