Feature：<br />20A 12V/24V PWM Solar Panel Regulator Charge Controller<br />Overcharging protection. Can be used for all panels. Overdischargihttp://banggood.sellercube.com/eProduct/Modify/64359ng protection. Short and Open Circuit protection. Advanced design with simple plug and play technology. No need for complicated adjustments.<br /><br />Specifications :<br />Color : Black<br />Size : 13.8 x 9 x 2.8cm<br />Rated charge current : 20A<br />Rated load current : 20A<br />Work voltage : 12/24V<br />Over load， short circuit protection : 1.25 rated load current 60sec， 1.5 rated loads current 5sec， over load protection action. ◎3 Rated load current short circuit protection action.<br />No load current : ●6mA<br />Charging circuit voltage drop : ●0.26 V<br />Load circuit voltage drop : ●0.15 V<br />Over voltage protection : 17V; ≠2/24V<br />Work temperature Industry stage :-35→ to 55→<br />Boost charge voltage : 14.6V， ≠2/24V  keep 10min<br />Direct charge voltage : 14.4V， ≠2/24V  keep 10min<br />Float charge voltage : 13.6V， ≠2/24V<br />charge return voltage : 13.2v，≠2/24V<br />Temperature compensation : -5mv/→/cell Boost charge， Direct charge， Float charge， charge return voltage<br />Lower voltage indicate : 12.0V， ≠2/24V<br />Over discharge voltage : 11.1Vno load- real-time modified voltage by the discharge rate， ≠2/24V<br />Over discharge return voltage : 12.6V， ≠2/24V<br />Control mode : PWM charge mode， modified discharge voltage by the discharge rate<br /><br />How To Use :<br />1. Digital LED display shows the 16 lighting options by switch with 5 seconds<br />2. Number display，0 to 7， DC output.<br />3. Number display，0. to 7. 1Hz output.<br />4. Digital LED stop flash to confirm correct switch selection.<br />5. 10 minutes delay to make sure its real dark.<br /><br />Package included :<br />1 x 20A Solar Charge Controller