ALLPOWERS 20A Solar Charger Controller Solar Panel Battery Intelligent Regulator with USB Port Display 12V/24V<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Rated Discharge Current: 20A; USB Output Voltage: 5V/3A; Battery Voltage: 12V/24V auto. Adjustable power rate with dual USB ports; 4-Stage(EQU， Bulk， ABS， Float) charge management and 4-Stage PWM charge</li><li>Funtionality: Equipped with industrial-grade STM 8 microprocessor to control the charger and discharge process and it has reliable battery to charge and discharge period management</li><li>Mutiple electric protection: over-current and short-circuit protection， inverse connection protection， low voltage and overcharge protection</li><li>Good Heat Dissipation: Dual mosfet reverse current protection， low heat production</li><li>Easy to use: Comes with a display that can clearly indicate the status and data， it can be conveniently switched modes and parameter configuration， suitable for home， industrial， commercial etc</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51eOj-zOMXL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/61vWzJ78oXL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51j3Qt6dU1L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41znNraWPXL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41nXYwIx6QL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51q%2BbwMkOeL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51ZDe7k9fWL.jpg" noproxy>