1. Great power silicon controlled rectifier for pulse recharging, 2. CE/RoHS/CCC approved. ... circuit design, high efficiency, long life ext.Used for motorcycle, car, vessel, factory and various of storage battery recharging ... according to your design or we make design for you using your brand basing on the quantity ... East Certifications· CE / RoHS / CCC Approved pulse recharging for car DFC-550