AC 100-240V to DC 4.2V 1A 2A 1000ma 2000ma Supply Power Adapter Charger 4.2 V Volt for 18650 Lithium Battery Laser Level

Network parameters and other instructions
Universal power supply, switching power transformer
The supply voltage requirements fit into 4V-4.4V range, the current demand within the device 1A or 1A
applied DC power to the electrical requirements 4.2V1A development board, mobile hard disk, etc.
The supply voltage is suitable for all kinds of needs 4.2V 1A or 1A following current DC input products, not overload operation!
is power-selective attention to follow in accordance to select the voltage and current that is equal to or larger than the electrical current to the power required
Input voltage (INPUT): 100-240V 50-60Hz
The output voltage (output): DC4.2V 1A
Power (Maximum Power Output.): 4.2W
Polarity: Internal positive, external negative
DC Plug: 5.5*2.5MM compatible with 5.5*2.1MM