TOOGOO(R) SJ3A Solar Panel Charger Controller Regulator PWM 12V 3A<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Just working for lead-acid battery's charging control </span></li><li><span class="a-list-item"> Equipped with device to avoid the overcharge， over release， electronic short circuit， over loading， battery inversely connecting， solar battery inversely connecting. </span></li><li><span class="a-list-item"> The series connection PWM circuit is implemented to form the major charging circuit， make the voltage loss 50% lower than the diode charging circuit， and the charging efficiency 3%-6% higher than the non-PWM. </span></li><li><span class="a-list-item"> The LED displayer shows the batteries current situation to make the customer get the information of the batteries. </span></li><li><span class="a-list-item"> The controller can automatically identify the voltage of 12V. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/416VF7swQuL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41r5TeLBsVL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41V4zCoqT6L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51jRibEbD2L.jpg" noproxy>