Over-Current Over-Voltage, Over-Load And Over-Temperature Protection The Intelligent Control Will Prolong The Cycle Life Environment Friendly, Energy-Saving, Complying With The Safe Certification Standard. High Working Efficiency Over 85%, Good Charging Performance. Rapid Charging Your Phone Safely And Efficiently In Approximately 3 Hours Without Over Charging Your Battery. Sophisticated Circuit Design With Over-Heated, Over-Current And Over-Charging Protection.