wall 4.2v 0.5a 500ma ac dc switching power supply adapter charger with Korea plug & KC for 18650 3.7v battery li-ion battery

wall 4.2v 0.5a 500ma ac dc switching power supply adapter charger with Korea plug & KC for 18650 3.7v battery li-ion battery LX042050

AC Input 
Rated Input Voltage: AC 100V~240V
Range Input Voltage: AC 85V~264V
Rated Input Frequency: 50/60 Hz
Range Input Frequency: 47Hz-63Hz
Input Current: Less or equal than 0.15A
Input Power: 6.5W 
No-load Power: Less or equal than 300mW
Efficiency: Great or equal than 75%

Start-up Delay: Less or equal than 3S
In-rush Current: Less or equal than 30A

DC Output 
Rated Output Voltage: 4.2V
Rated Output Current: 0.5A
Rated Power: 2.1W
Range Out Voltage: 4.0V-4.35V
Line Regulation: ±5%
Load Regulation: ±5%
Ripple&Noise: Less or equal than 90mVp-p

Protection 
Over Load Protection, Short Circuit Protection
Over Current Protection,   Over Temperature Protection
leakage current: Less or equal than 0.25mA

Environment Requirements 
Operating Temperature:  -20°C ~45°C 
Operating Humidity: 30%~85%RH 
Storage Temperature:  0°C ~75°C
Storage Humidity:  0%~95%RH

Mechanical Characteristics 
Dropping Testing The product to be dropped from 1 meter height to a concrete floor no breakage.