Go Power! GP-PWM-30 30 Amp Solar Regulator<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>It has a 30 amp pulse width modulated digital regulator adjustable for wet cell， AGM， and gel batteries</li><li>Full 4 stage battery bulk absorption and float with an equalize for wet cell batteries</li><li>Capable of handling 510 watts of solar</li><li>A 5 year warranty</li><li>Displays voltage， amperage and battery percentage of charge</li></ul></div><img src="http://ecx.images-amazon.com/images/I/411k044TUhL.jpg" noproxy>