Morningstar SG-4 SunGuard 4.5 Amp PWM Charge Controller 12 Volt<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Morningstar SG-4 SunGuard 4.5 Amp PWM Charge Controller 12 Volt MARKDOWN</li><li>Length: 2.500， Width: 2.000， Height: 1.400</li><li>Morningstar</li><li>Solar Panels &amp; Batteries</li></ul></div><img src="http://ecx.images-amazon.com/images/I/21Yx7WNjCKL.jpg" noproxy>